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iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 1 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 iqs 620 datasheet combination sensor with dual channel capacitive proximity/touch, hall - effect sensor and inductive sensing the iqs620 proxfusion ? i c is a multifunctional capacitive, hall - effect & inductive sensor designed for applications where any or all of the technologies may be required. the iqs620 is an ultra - low power solution designed for short or long term activations through any of the sensing channels. the iqs620 is fully i 2 c compatible and can be configured to outpu t main trigger events on gpios. features ? unique combination of sensing technologies: o capacitive sensing o hall - effect sensing o inductive sensing ? capacitive sensing o 2pf to 200pf external capacitive load capability o fully adjustable sensing options ? hall - effect sensing o no external components required o dual direction hall switch sensor o 2 level detection (widely variable) o detection range 1mt C 100mt ? inductive sensing o metal sensing ui with 2 level detection and hysteresis o only external sense coil required (pcb trace) ? low power consumption: 30 0ua (50 hz response , all technologies in use ) , 2.5 ua ( low power mode, zoom to scanning mode with wake - up) ? multiple integrated ui options based on years of experience in sensing on fixed and mobile platforms: o proximity / touch o proximity wake - up o sar with movement and quick release ? a utomatic t uning i mplementation ( ati ) C performance enhancement (10bit) ? minimal external components ? standard i 2 c interface (polling with sub 1ms clock stretching) ? optional rdy indication for event mode operation ? event or streaming mode ? supply voltage: 1.8v to 3.3 v ? low profile dfn(3x3) C 10 pin package applications ? mobile electronics (phones/tablets) ? sar safety requirements for laptops, tablets and phones ? wearable devices ? white goods and appliances ? human interface devices ? proximity activated backlighting ? applications with long - term activation ? aftermarket automotive 1 1 the part is not automotive qualified. available packages t a dfn(3x3) - 10 - 40 c to 85 c iqs620 dfn10 representations only, not actual markings
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 2 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 table of contents list of abbreviation s ................................ ................................ ................................ ................................ ............. 4 1 introduction ................................ ................................ ................................ ................................ .................. 5 1.1 p rox f usion ? ................................ ................................ ................................ ................................ ...................... 5 1.2 p ackaging and p in - o ut ................................ ................................ ................................ ................................ ....... 5 1.3 r eference schematic ................................ ................................ ................................ ................................ ........... 6 1.4 s ensor channel combin ations ................................ ................................ ................................ ............................. 6 2 capacitive sensing ................................ ................................ ................................ ................................ ......... 7 2.1 i ntroduction to p rox s ense ? ................................ ................................ ................................ ................................ 7 2.2 c hannel specification s ................................ ................................ ................................ ................................ ........ 7 2.3 h ardware configuratio n ................................ ................................ ................................ ................................ .... 8 2.4 s oftware configuratio n ................................ ................................ ................................ ................................ ..... 9 2.5 s ensor data output an d flags ................................ ................................ ................................ ............................. 9 3 hall - effect sensing ................................ ................................ ................................ ................................ ....... 10 3.1 i n troduction to h all - effect sensing ................................ ................................ ................................ ................. 10 3.2 c hannel specification s ................................ ................................ ................................ ................................ ...... 10 3.3 h ardware configuratio n ................................ ................................ ................................ ................................ .. 11 3. 4 s oftware configuratio n ................................ ................................ ................................ ................................ ... 12 3.5 s ensor data output an d flags ................................ ................................ ................................ ........................... 13 4 inductive sensing ................................ ................................ ................................ ................................ .......... 14 4.1 i ntr oduction to inductiv e sensing ................................ ................................ ................................ ..................... 14 4.2 c hannel specification s ................................ ................................ ................................ ................................ ...... 14 4.3 h ardware configuratio n ................................ ................................ ................................ ................................ .. 15 4. 4 s oftware configuratio n ................................ ................................ ................................ ................................ ... 15 4.5 s ensor data output an d flags ................................ ................................ ................................ ........................... 16 5 temperature sensing ................................ ................................ ................................ ................................ ... 17 5.1 i n troduction to temper ature sensing ................................ ................................ ................................ ............... 17 5.2 c hannel specification s ................................ ................................ ................................ ................................ ...... 17 5.3 h ardware configuratio n ................................ ................................ ................................ ................................ .. 18 5. 4 s oftware configuratio n ................................ ................................ ................................ ................................ ... 18 5.5 s ensor data output an d flags ................................ ................................ ................................ ........................... 19 6 device clock, power management and mode operation ................................ ................................ ...... 20 6.1 d evice main oscillato r ................................ ................................ ................................ ................................ ...... 20 6.2 d evice modes ................................ ................................ ................................ ................................ .................... 20 6.3 r eport r ates ................................ ................................ ................................ ................................ ..................... 21 6.4 s ystem reset ................................ ................................ ................................ ................................ ..................... 21 7 communication ................................ ................................ ................................ ................................ ............ 22 7.1 i 2 c module specification ................................ ................................ ................................ ................................ .... 22 7.2 d evice address and su b - addresses ................................ ................................ ................................ ..................... 22 7.3 a dditional otp options ................................ ................................ ................................ ................................ .... 22 7.4 r ecommended communica tion and runtime flo w diagram ................................ ................................ ................ 23 8 memory map ................................ ................................ ................................ ................................ .................. 24 8.2 d evice i nformation d ata ................................ ................................ ................................ ................................ .. 26 8.3 f lags and user interf ace data ................................ ................................ ................................ ........................... 27 8.4 c hannel counts ( raw data ) ................................ ................................ ................................ ............................... 32 8.5 lta values ( filtered data ) ................................ ................................ ................................ ................................ . 32 8.6 p rox f usion sensor settings block 0 ................................ ................................ ................................ ................... 33 8.7 p rox f usion sensor setting s block 1 ................................ ................................ ................................ ................... 37
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 3 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.8 p rox f usion ui settings ................................ ................................ ................................ ................................ ..... 40 8.9 sar ui settings ................................ ................................ ................................ ................................ ................. 41 8.10 m etal detection ui settings ................................ ................................ ................................ .............................. 43 8.11 h all - effect sensor settin gs ................................ ................................ ................................ ............................... 45 8.12 h all - effect switch ui settings ................................ ................................ ................................ ........................... 47 8.13 t emperature ui settings ................................ ................................ ................................ ................................ ... 48 8.14 d evice and power mode settings ................................ ................................ ................................ ....................... 50 9 electrical character istics ................................ ................................ ................................ .......................... 54 9.1 a bsolute m aximum s pecifications ................................ ................................ ................................ ..................... 54 9.2 p ower o n - reset /b rown out ................................ ................................ ................................ ............................. 54 9.3 d igital input / output trigger level s ................................ ................................ ................................ ................... 54 9.4 c urrent consumptions ................................ ................................ ................................ ................................ ..... 55 9.5 c apacitive loading li mits ................................ ................................ ................................ ................................ ... 57 9.6 h all - effect measurement l imits ................................ ................................ ................................ ........................ 57 9.7 i nductive measurement limits ................................ ................................ ................................ ........................... 57 10 package information ................................ ................................ ................................ ................................ .. 58 10.1 dfn10 package and footprin t specifications ................................ ................................ ................................ ..... 58 10.2 d evice marking ( subjected to change for production ) ................................ ................................ ....................... 59 10.3 o rdering i nformation ................................ ................................ ................................ ................................ ...... 59 10.4 t ape and reel specifi cation ................................ ................................ ................................ ................................ 60 10.5 msl l evel ................................ ................................ ................................ ................................ ......................... 61 11 datasheet r evisions ................................ ................................ ................................ ................................ ..... 62 11.1 r evision history ................................ ................................ ................................ ................................ ................ 62 11.2 e rrata ................................ ................................ ................................ ................................ .............................. 62 appendix a. cont act information ................................ ................................ ................................ ..................... 63
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 4 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 list of abbreviations ati C automatic tuning implementation lta C long term average sar C specific absorption rate ui C user interface ac C alternating current dsp C digital signal processing rx C receiving electrode l tx C inductive t ransmitting electrode cs C sampling capacitor np C normal power lp C low power ulp C ultra low power ack C i 2 c acknowledge condition nack C i 2 c not acknowledge condition
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 5 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 1 introduction 1.1 proxfusion ? the proxfusion ? sensor series provide s all of the proven proxsense ? engine capabilities with additional sensors types. a combined sensor solution is available within a single platform . 1.2 packaging and pin - out figure 1.1 iqs620 pin - out (dfn10 package ; device markings may differ ) table 1.1 pin - out descri p tion iqs620 in dfn10 pin name type function 1 sda digital input / o utput sda (i 2 c data signal) 2 gpio0 / rdy configurable d igit al o utput open drain active low logic sar activation output (higher priority) rdy (i 2 c ready interrupt signal ; lower priority ) 3 vddhi supply i nput supply: 1. 8v C 3.3 v 4 vreg regulator output regulates the systems internal voltage requires external capacitor s to ground 5 gpio3 / ltx configurable digital o utput pwm output / transmitter electrode pwm signal output (higher priority) / connect to inductive sensors transmitting coil ( lower priority ) 6 rx0 receiving electrode connect to conductive area intended for sensor receiving 7 rx1 receiving electrode connect to conductive area intended for sensor receiving 8 scl digital input / o utput scl (i 2 c clock signal) 9 vddhi supply i nput supply: 1. 8v C 3.3 v 10 vss signal gnd common ground reference sda rdy/gpio0 vddhi vreg ltx/gpio3 rx0 rx1 scl vss vddhi
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 6 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 1.3 reference schematic figure 1.2 iqs620 reference schematic 1.4 sensor channel combinations the table below summarizes the iqs620s sensor and channel associations. table 1.2 sensor - channel allocation sensor / ui type ch0 ch1 ch2 ch3 ch4 ch5 capacitive self capacitive o o o sar ui s elf ? main ? movement o hall - effect hall - effect switch ui ? positive ? negative inductive mutual inductive o o ? temperature temperature trip and sensing ? key: o - optional implementation ? - fixed use for ui
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 7 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 2 capacitive sensing 2.1 introduction to proxsense ? building on the previous successes from the proxsense ? range of capacitive sensors , the same fundamental sensor engine have been implemented in the proxfusion ? series. the capacitive sensing capabilities of the iqs620 include: ? self - capacitive sensing. ? maximum of 3 capacitive channels to be individually configured. o prox and touch adjustable thresholds o individual sensitivity setups o alternative ati modes ? enhanced sar user interface: o for passing the sar qualification o movement sensing to distinguish between stationary in - contact object s and human interference o quick release detection feature (fully configurable ) o gpio output o f sar activation (on pin2: gpio0 ) for mcu i nterrupt capability ? discreet button ui: o fully configurable 2 level threshold setup C traditional prox & touch activation levels. o customizable filter halt time 2.2 channel specifications th e iqs620 provides a maximum of 3 channels available to be configured for capacitive sensing. each channel can be setup separately according to the channels associated settings registers. there are two distinct capacitive user interfaces available to be used. a) self capacitive proximity/touch ui (always enabled) b) sar ui when the sar ui is activated (proxfusion sett i ngs4: bit7): ? channel 0 is used for as the main capacitive sensing channel for sar detection . ? c hannel 1 is used for capacitive movement detection . this is used to improve the sar detection such as quick release dete ction . table 2.1 capacitive sens ing - channel allocation mode ch0 ch1 ch2 ch3 ch4 ch5 self capacitive o o o sar ui s elf ? main ? movement o key: o - optional implementation ? - fixed use for ui
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 8 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 2.3 hardware configuration in the table below are multiple options of configuring sensing (rx) electrodes to realize different implementations (combinations not shown). table 2.2 capacitive sensing - hardware description self capacitive configuration 1 button 2 buttons sar antenna rx0 rx1 rx0 rx1 rx0 rx1
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 9 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 2.4 software configuration to be completed. 2.5 sensor data output and flags the following registers should be monitored by the master to detect capacitive sensor output and sar activations. a) the g lobal events register (0x11) will show the iqs620s main events. bit0 is dedicated to the proxsense acti vations and two other bits (bit7 & bit1) is provided to show the state of the sar ui. sar_active (bit7 ) will be constantly active during sar detection. sar event (bit1) will toggle upon each sar qualified event or change of sar status . global events (0x11) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name sar active pmu event sys event temp event metal detect hall event sar event prox sense event b) the prox fusion ui f lags (0x12) and sar ui f lags (0x13) provide more detail regarding the outputs. a prox and touch output bit for each chann el 0 t o 3 is provided in the proxfusion ui f lags register. c) the sar ui flags (0x13) register will show detail regarding the state o f the sar output as well as quick release toggles, movement activations and the state of the filter (halted or not). prox fusion ui f lags (0x12) bit number 7 6 5 4 3 2 1 0 data access - r r r - r r r name - ch2_t ch1_t ch0_t - ch2_p ch1_p ch0_p sar ui f lags (0x13) bit number 7 6 5 4 3 2 1 0 data access - - - r - r r r name - - - sar active quick release move - ment fhalt the sar ui can also be used with the inductive sensing c apabilities and is explained in section 4 . inductive sensing as well.
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 10 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 3 hall - effect sensing 3.1 introduction to hall - effect sensing the iqs620 has two internal hall - effect sensing plates (on chip ). no external sensing hardware is required for hall - effect sensing. the hall - effect measurement is essentially a current measurement of the induced current through the hall - effect - sensor plates produced by the magnetic field passing perpendicular t hrough each plate. advanced digital signal processing are performed to provide sensible output data. ? two threshold levels are provided (prox & touch) . ? hall - effect output is linearized by inverting signals . ? north/south field direction indication provided. ? differential hall - effect sensing: o removes common mode disturbances o n orth - south field indication 3.2 channel specifications channels 4 and 5 are dedicated to hall - effect sensing. channel 4 performs the positive direction measurements and channel 5 will handle all measurements in the negative direction. these two channels are us ed in conjunction to acquire differential hall - effect data and will always be used as input data to the hall - effect uis. there are two distinct hall - effect user interfaces available: a) general hall - effect sensing b) hall - effect switch ui table 3.1 hall - effect sensor C channel allocation mode ch0 ch1 ch2 ch3 ch4 ch5 hall - effect switch ui ? positive ? negative smart cover slide switch key: o - optional implementation ? - fixed use for ui
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 11 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 3.3 hardware configuration rudimentary hardware configurati ons axially polarized magnet (linear movement or magnet presence detection) hall - effect push switch smart cover bar magnet (linear movement and magnet field detection) slide switch
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 12 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 3.4 software configuration to be completed.
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 13 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 3.5 sensor data output and flags the following registers can be monitored by the master to detect hall - effect related events. a) two bits in the global e vents (0x11) register are dedicated to hall - effect related output. hall_cover _closed (bit7) will provide the status of a hall - effect cover implementation (cover closed = 1 or cover open = 0 ). bit2 will be toggled du ring any hall - effect proximity detection. global e vents (0x11) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name sar active pmu event sys event temp event metal detect event hall event sar event prox sense event b) the hall - effect ui f lags (0x16) register provide s the standard two level activation output (prox = hall_pout & touch = hall_tout ) as well as a hall_n/ s bit to indicate the magnet polarity orientation. hall - effect ui f lags (0x16) bit number 7 6 5 4 3 2 1 0 data access - - - - - r r r name - - - - - hall tout hall pout hall n/ s c) the hall - effect ui o utput (0x17 & 0x18) registers provide a 16 bit value of the hall - effect amplitude det ected by the sensor . hall - effect ui output (0x17 - 0x18) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name hall - effect ui output low b yte bit number 15 14 13 12 11 10 9 8 data access r r r r r r r r name hall - effect ui output high b yte
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 14 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 4 inductive sensing 4.1 introduction to inductive sensing the iqs620 provides inductive sensing capabilities in order to detect the presen ce of metal/metal - type objects. prox and touch thresholds are widely adjustable and individual hysteresis settings are definable for each. 4.2 channel specifications the iqs620 requires 3 sensing pins for mutual inductive sensing. the metal detect ui will be executed using channel 2 . the mutual inductive user interface is available on channel 2. a) metal detect ui ( dedicated to ch2 ) table 4.1 inductive sensor C channel allocation mode ch0 ch1 ch2 ch3 ch4 ch5 mutual inductive o o ? key: o - optional implementation ? - fixed use for ui
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 15 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 4.3 hardware configuration rudimentary hardware configurations (t o be completed). table 4.2 inductive hardware description mutual inductive 4.4 software configuration to be completed. rx0 rx1 tx0 vss
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 16 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 4.5 sensor data output and flags the following registers can be monitored by the master to detect inductive sensor related events . a) global e vents (0x11) to prompt for inductive sensor activation. bit3 denoted as metal_d e t e ct _event will indicate the detection of a metal object using the inductive sensing. global e vents (0x11) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name sar active pmu event sys event temp event metal detect event hall event sar event prox sense event b) the metal detect ui f lags (0x13) register provides the classic prox / touch two level activation outputs as well as a bit to distinguish whether the current counts are above or below the lta . metal detect ui f lags (0x13) bit number 7 6 5 4 3 2 1 0 data access r r r - - - - - name signed output touch prox - - - - - c) metal detect ui o utput (0x14 & 0x15) registers will provide a combined 16 - bit value t o acquire the magnitude of the inductive sens ed object . metal d etect ui o utput (0x14 - 0x15) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name metal detect ui output low b yte bit number 15 14 13 12 11 10 9 8 data access r r r r r r r r name metal detect ui output high b yte
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 17 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 5 temperature sensing 5.1 introduction to temperature sensing the iqs620 provides temperature sensing capabilities whi ch can be used for temperature change monitoring or as an absolute temperature sensor (requires individual calibration) . the use of the temperature sensor is primarily to reseed other sensor channels to account for sudden changes in environmental conditions. the iqs620 uses a linearly proportional to absolute temperature sensor for temperature measurement. the temperature output is given by, ? = ? ? . ? ? 3 + ? where ? , ? ??? ? are constants that are calculated during calibration. additionally, the channel setup must be cal culated during testing. 5.2 channel specifications the iqs620 requires only external passive components to do temperature sensing (no additional circuitry /components required ). the temperature ui will be executed using data from channel 3 if correctly setup f or temperature sensing. table 5.1 temperature sensor C channel allocation mode ch0 ch1 ch2 ch3 ch4 ch5 temperature trip and sensing ? key: o - optional implementation ? - fixed use for ui
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 18 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 5.3 hardware configuration no additional hardware required. temperature sensing realized on - chip 5.4 software configuration to be completed.
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 19 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 5.5 sensor data output and flags the following registers can be monitored by the master to detect temperature sensor related events. d) global e vents (0x11) to prompt for temperature trip activation. bit4 denoted as temp _event will indicate the detection of a temperature event . global e vents (0x11) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name sar active pmu event sys event temp event metal detect event hall event sar event prox sense event e) the temperature ui f lags (0x19 ) register provides a temperature trip activation output bit if the condition of a temperature reseed threshold is tripped . temperature ui f lags (0x19 ) bit number 7 6 5 4 3 2 1 0 data access r - - - - - - - name temp trip - - - - - - - f) temperature ui o utput (0x1a & 0x1b ) registers will provide a combined 16 - bit value to provide the absolute temperature measured in units of kelvin (k) . temperature ui o utput (0x1a C 0x1b ) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name temperature output low b yte bit number 15 14 13 12 11 10 9 8 data access r r r r r r r r name temperature output high b yte
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 20 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 6 device clock, power management and mode operation 6.1 device main oscillator the iqs620 has a 16mhz main oscillator (default enabled) to clock all system functionality. an option exists to redu ce the main oscillator to 4 mhz. this will result in all system timings , charge transfers and sample rates to be slower by half of the default implementations. to set this option this: o as a software setting C set the system_settings: bit4 = 1, via an i 2 c command. o as a permanent setting C set the otp option in fg bank 0: bit2 = 1, using azoteq usbprog program. 6.2 device modes the iqs620 supports the following modes of o peration; ? normal mode (fixed report rate) ? l ow p ower mode (reduced report rate) ? u ltra - l ow p ower mode ( only channel 0 is sensed for a prox ) ? halt m ode (suspended/disabled) note: a uto modes must be disabled to enter or exit halt mode . the device will automatically switch between the different operating modes by default. however t his auto mode feature may be disabled by setting the dsbl_auto_mode bit (power_mode _ s ettings 0x d 2: bit5) to confine device operation to a specific power mode . the p ower_mode bits (power_mode _ s ettings 0xd 2: bit4 - 3) can then be used to specify the desired mode of operation. 6.2.1 normal mode normal mode is the fully active sensin g mode to function at a fixed report rate specified in the normal mode report rate (0xd3) register. this 8 - bit value is adjustable from 0ms C 255ms in intervals of 1ms. note: the device s low power oscillator have an accuracy as specified in section 9 . 6.2.2 low power mode low power mode is a reduced sensing mode where all channels are sensed but at a reduced sample rate . the sample rate can be specified in the low power mode report rate (0xd4) register. the 8 - bit value is adjustable from 0ms C 255ms in intervals of 1ms. reduced report rates also reduce the current consumed by the sensor. note: the device s low power oscillator have an accuracy as specified in section 9 . 6.2.3 ultra - low power mode ultra - low power mode is a reduced sensing mode where only channel 0 is sensed and no other channels or ui code are executed. set the en_ulp_mde bit (power_mode _ s ettings : bit6) to enable use of the ultra - low power mode. the sample rate can be specified in the low power mode report rate (0xd5) register. the 8 - bit value is adjustable from 0ms C 4sec in intervals of 16ms. wake up will occur o n prox detection on channel 0. 6.2.4 ha lt mode hal t mode will suspend all sensing and will place the device in a dormant or sleep state. the device requires an i 2 c command from a master to explicitly change the power mode out of the halt state before any sensor functionality can continue.
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 21 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 6.2.5 mode time the mode time is specified in the auto mode timer (0xd6) register. the 8 - bit value is adjustable from 0ms C 2 min in intervals of 500 ms . 6.3 report rates 6.3.1 calculation of each modes report rate normal power s egment rate to be completed. auto modes change rates to be completed. streaming/event mode rates to be completed. 6.4 system reset the iqs620 devi ce monitor s system resets and events. a) every device power - on and reset event will set the show reset bit (system f lags 0x10: bit7) and the master should explicitly clear this bit by setting the ack_r eset (bit6 ) in system settings . b) t he system events will also be indicated with the global e vents registers sys _event bit ( global e vents 0x 11: bit5 ) if any syst em event occur such as a reset. this event will continuously trigger until the reset has been acknowledged.
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 22 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 7 communication 7.1 i 2 c module specification the device supports a standard two wire i 2 c inter face with the addition of an rdy (ready interrupt) line. the comm uni cation s interface of the iqs620 supports the following: ? streaming data as well as event mode. ? the master may address the device at any time. if the iqs620 is not in a comm unication window, the device will return an ack after which clock str etching may be i nduced until a communication win dow is entered. additional communication checks are included in the main loop in order to reduce the average clock stretching time. ? the provided interrupt line (rdy) is an open - drain active low implementation and indicates a communication window . 7.2 device address and sub - addresses the default device address is 0x44 = default_addr . alternative sub - address options are definable in the following one - time programmable bits: otp bank0 (bit3; 0 ; bit1 ; bit0) = sub_addr _0 to sub_addr_7 a) default address : 0x44 = default_addr or sub_addr _0 b) sub - address: 0x45 = default_addr or sub_addr _1 c) sub - address: 0x46 = default_addr or sub_addr _2 d) sub - address : 0x47 = default_addr or sub_addr _3 e) sub - address : 0x 4 c = default_addr or sub_addr _4 f) sub - address : 0x4d = default_addr or sub_addr _5 g) sub - address : 0x4e = default_addr or sub_addr _6 h) sub - ad dress : 0x4f = default_addr or sub_addr _7 7.3 additional otp options all one - time - programmable device options are located in otp bank0. otp b ank0 bit number 7 6 5 4 3 2 1 0 name internal use c om ms ati - - sub a d dr ess (bit3) 4 mhz sub a d dr ess (bit1 - 0) bit definitions: ? bit 7: internal use o do not set. leave bit cleared. ? bit 6: : communication mode during ati o 0: no streaming events are generated during ati o 1: communication continue as setup regardless of ati state. ? bit 2: main clock frequency selection o 0: run fosc at 16mhz o 1: run fosc at 4mhz ? bit 3 ,1,0 : i2c sub - address o i2c address = 0x44 or sub_addr
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 23 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 7.4 recommended communication and runtime flow diagram the fol lowing is a basic master program flow diagram to communicate and handle the device. it addresses possible device events such as output events, ati and system events (resets). figure 7.1 master command structure and runtime event handling flow diagram it is recommended that the master verifies the status of the system_flags0 bits to identify events and resets. detecting either one of these should prompt the master to the next steps of handling the iqs620. streaming mode communication is used for detail sensor evaluation during prototyping and/or development phases. event mode communication is recommended for runtime use of the iqs620. this reduce the communication on the i 2 c bus and report only triggered events. por clear show_reset setup & initialization runtime global event? valid event? retrieve event data ati in ati? show reset? system event? yes yes yes no reset occured no no yes
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 24 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8 memory map the full memory map is summarized below . register groups are explained in the latter subsections. table 8.1 iqs620 memory map index full address group name item name data access 0x00 device information data product n umber read - only 0x01 software n umber read - only 0x02 hardware n umber read - only 0x10 flags and user interface data system flags read - only 0x11 global events read - only 0x12 proxfusion ui flags read - only 0x13 sar and metal ui flags read - only 0x14 metal detect ui output 0 read - only 0x15 metal detect ui output 1 read - only 0x16 hall - effect ui flags read - only 0x17 hall - effect ui output 0 read - only 0x18 hall - effect ui output 1 read - only 0 x19 temperature ui flags read - only 0x1a temperature ui output 0 read - only 0x1b temperature ui output 1 read - only 0x20 channel counts (raw data) channel 0 counts l ow read - only 0x21 channel 0 counts h igh read - only 0x22 channel 1 counts l ow read - only 0x23 channel 1 counts h igh read - only 0x24 channel 2 counts l ow read - only 0x25 channel 2 counts h igh read - only 0x26 channel 3 counts l ow read - only 0x27 channel 3 counts h igh read - only 0x28 channel 4 counts l ow read - only 0x29 channel 4 counts h igh read - only 0x2a channel 5 counts l ow read - only 0x2b channel 5 counts h igh read - only 0x30 lta values (filtered data) channel 0 lta l ow read - only 0x31 channel 0 lta h igh read - only 0x32 channel 1 lta l ow read - only 0x33 channel 1 lta h igh read - only 0x34 channel 2 lta l ow read - only 0x35 channel 2 lta h igh read - only 0x40 proxfusion sensor s ettings block 0 proxfusion s ettings 0_0 read - write 0x41 proxfusion s ettings 0_1 read - write 0x42 proxfusion s ettings 0_2 read - write 0x43 proxfusion s ettings 1_0 read - write 0x44 proxfusion s ettings 1_1 read - write 0x45 proxfusion s ettings 1_2 read - write 0x46 proxfusion s ettings 2_0 read - write 0x47 proxfusion s ettings 2_1 read - write 0x48 proxfusion s ettings 2_2 read - write 0x49 proxfusion s ettings 3_0 read - write 0x4a proxfusion s ettings 3_1 read - write 0x4b proxfusion s ettings 3_2 read - write
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 25 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 0x50 proxfusion sensor s ettings block 1 proxfusion s ettings 4 read - write 0x51 proxfusion s ettings 5 read - write 0x52 compensation ch0 read - write 0x53 compensation ch1 read - write 0x54 compensation ch2 read - write 0x55 multipliers ch0 read - write 0x56 multipliers ch1 read - write 0x57 multipliers ch2 read - write 0x60 proxfusion ui s ettings p rox t hreshold ch0 read - write 0x61 touch t hreshold ch0 read - write 0x62 prox t hreshold ch1 read - write 0x63 touch t hreshold ch1 read - write 0x64 prox t hreshold ch2 read - write 0x65 touch t hreshold ch2 read - write 0x66 proxfusion discrete ui halt t ime read - write 0x70 sar ui s ettings sar ui s ettings 0 read - write 0x71 sar ui s ettings 1 read - write 0x72 qrd threshold ch0 read - write 0x73 f ilter h alt threshold ch0 read - write 0x74 prox threshold ch0 read - write 0x75 q uick release detection halt t ime read - write 0x80 metal detect ui s ettings metal d etect ui s ettings read - write 0x81 metal detect ui filter halt threshold read - write 0x82 metal detect ui prox t hreshold read - write 0x83 metal detect ui touch t hreshold read - write 0x90 hall - effect sensor s ettings hall - effect s ettings 0 read - write 0x91 hall - effect s ettings 1 read - write 0x92 compensation ch4 and ch5 read - write 0x93 multipliers ch4 and ch5 read - write 0xa0 hall - effect switch ui s ettings hall - effect switch ui s ettings read - write 0xa1 hall - effect switch ui prox t hreshold read - write 0xa2 hall - effect switch ui touch t hreshold read - write 0xc0 temperature ui settings temperature ui settings read - write 0xc1 multipliers ch3 read - write 0xc2 temperature calibration data0 read - write 0xc3 temperature calibration data1 read - write 0xd0 device and power mode settings system settings read - write 0xd1 active channels read - write 0xd2 power mode settings read - write 0xd3 normal mode report rate read - write 0xd4 low power mode report rate read - write 0xd5 ultra - low power mode report rate read - write 0xd6 auto mode time read - write 0xd7 global event mask read - write 0xd8 pwm control read - write
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 26 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.2 device information data 8.2.1 product number product n umber (0x00) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name device product number bit definitions: ? bit 7 - 0 : device product number = d65 8.2.2 software number software n umber (0x01) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name device software number bit definitions: ? bit 7 - 0 : device software number = d04 8.2.3 hardware number hardware n umber (0x02) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name device hardware number bit definitions: ? bit 7 - 0 : device hardware number = d 1 3 0
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 27 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.3 flags and user interface data 8.3.1 system flags system f lags (0x10) bit number 7 6 5 4 3 2 1 0 data access r - - r r r r r name show reset - - power mode in ati event np seg active bit definitions: ? bit 7: reset indicator o 0: no reset event o 1: a device reset has occurre d and needs to be acknowledged. ? bit 4 - 3 : active power - m ode indicator o 00: normal mode o 01: low power mode o 10: ultra - low power mode o 11: halt mode ? bit 2: ati busy indicator o 0: no channels are in ati o 1: one or more channels are in ati ? bit 1: global event indicator o 0: no new event to service o 1: an event has o ccurred and should be serviced ? bit 0: normal power s egment indicator o 0: not p erforming a normal power update o 1: busy performing a normal power update 8.3.2 global events global e vents (0x11) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name sar active pmu event sys event temp event metal detect hall event sar event prox sense event bit definitions: ? bit 7: sar activation state o 0: sar output inactive o 1: sar output active ? bit 6 : power management unit event flag o 0: no event to report o 1: a power management event occurred ? bit 5 : system event flag o 0: no event to report
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 28 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 o 1: a system event has occurred and should be handled ? b it 4 : temperature event flag o 0: no event to report o 1: a temperature event has occurred and should be handled ? bit 4: metal detect event flag o 0: no event to report o 1: a metal detect event has occurred and should be handled ? bit 2: hall - effect event flag o 0: no event to report o 1: a hall - effect event has occurred and should be handled ? bit 1: sar event flag o 0: no event to report o 1: a sar e vent has occurred and should be handled ? bit 0: proxsense event flag o 0: no event to report o 1: a capacitive key event has occurred and should be handled 8.3.3 pr oxfusion ui flags prox fusion ui f lags (0x12) bit number 7 6 5 4 3 2 1 0 data access - r r r - r r r name - ch2_t ch1_t ch0_t - ch2_p ch1_p ch0_p bit definitions: ? bit 6: ch2 touch indicator o 0: delta below touch level o 1: delta above touch level ? bit 5: ch1 touch indicator o 0: delta below touch level o 1: delta above touch level ? bit 4: ch0 touch indicator o 0: delta below touch level o 1: delta above touch level ? bit 2: ch2 proximity indicator o 0: delta below proximity level o 1: delta above proximity level ? bit 1: ch1 proximity indicator o 0: delta below proximity level o 1: delta above proximity level ? bit 0: ch0 proximit y indicator o 0: delta below proximity level o 1: delta above proximity level
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 29 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.3.4 sar ui flags sar ui f lags (0x13) bit number 7 6 5 4 3 2 1 0 data access - - - r - r r r name - - - sar active qrd move - ment fhalt bit definitions: ? bit 4: sar standoff active o 0: delta below sar threshold level o 1: delta above sar threshold level ? bit 2: quick release d etection (qrd) indicator o 0: quick release not detected o 1: quick release detected ? bit 1: movement indicator o 0: movement not detected o 1: movement detected ? bit 0: filter halt indicator o 0: delta below filter halt level o 1 : delta above filter halt level 8.3.5 metal detect ui flags metal d etect ui f lags (0x13) bit number 7 6 5 4 3 2 1 0 data access r r r - - - - - name signed output touch prox - - - - - bit definitions: ? bit 7: delta directional signed output o 0: counts rise above the lta o 1: counts fall below the lta ? bit 6: metal detect touch indicator o 0: delta below touch level o 1: delta above touch level ? bit 5: me tal detect proximity indicator o 0: delta below proximity level o 1: delta above proximity level
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 30 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.3.6 metal detect ui output metal d etect ui o utput (0x14 - 0x15) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name metal detect ui output low byte bit number 15 14 13 12 11 10 9 8 data access r r r r r r r r name metal detect ui output high byte bit definitions: ? bit 15 - 0 : metal detect ui output value 8.3.7 hall - effect ui flags hall - effect ui f lags (0x16) bit number 7 6 5 4 3 2 1 0 data access - - - - - r r r name - - - - - touch prox hall n/ s bit definitions: ? bit 2: hall - effect touch indicator o 0: field strength below touch level o 1: field strength above touch level ? bit 1: hall - effect proximity indicator o 0: field strength below proximity level o 1: field strength above proximity level ? bit 0: ha ll - effect north south field indication o 0: north field present o 1: south field present 8.3.8 hall - effect ui output hall - effect ui o utput (0x17/0x18) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name hall - effect ui output low byte bit number 15 14 13 12 11 10 9 8 data access r r r r r r r r name hall - effect ui output high byte
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 31 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 bit definitions: ? bit 15 - 0 : hall - effect ui output o 0 C 8 000 : hall - effect ui output value 8.3.9 temperature ui flags temperature ui flags (0x19 ) bit number 7 6 5 4 3 2 1 0 data access r - - - - - - - name temp trip - - - - - - - bit definitions: ? bit 7 : temperature trip indicator o 0: no event to report o 1: temperature reseed event occurred 8.3.10 temperature ui output temperature ui output (0x1a C 0x1b ) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name temperature output low byte bit number 15 14 13 12 11 10 9 8 data access r r r r r r r r name temperature output high byte bit definitions: ? bit 15 - 0 : temperature ui output o integer value : temperature output value in units of kelvin (k)
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 32 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.4 channel counts (raw data) channel counts ch0/1/2/3 (0x20/0x21 - 0x26/0x27) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name channel data low byte bit number 15 14 13 12 11 10 9 8 data access r r r r r r r r name channel data high byte bit definitions: ? bit 0 - 15: ac filter ed or raw value counts channel counts ch4/5 (0x28/0x29 - 0x2a/0x2b) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name channel data low byte bit number 15 14 13 12 11 10 9 8 data access r r r r r r r r name channel data high byte bit definitions: ? bit 0 - 15: ac filter ed or raw value counts of hall - effect sensors channels 8.5 lta values (filtered data) lta ch0/1/2 (0x30/0x31 - 0x34/0x35 ) bit number 7 6 5 4 3 2 1 0 data access r r r r r r r r name lta low byte bit number 15 14 13 12 11 10 9 8 data access r r r r r r r r name lta high byte bit definitions: ? bit 0 - 15: lta filter value output
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 33 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.6 proxfusion sensor settings block 0 8.6.1 p roxfusion settings 0 8.6.1.1 capacitive sensing p roxfusion s ettings 0_0/1 /2 (0x40 - 0x42 ) bit number 7 6 5 4 3 2 1 0 data access r/w r/w - - - - r/w r/w name capacitive sensor m ode internal use internal use - rx select fixed value 0 0 - bit definitions: ? bit 7 - 6 : sensor mode o 00: capacitive sensing mode ? bit 1 - 0 : rx select o 00: rx 0 and rx is disabled o 01: rx 0 is enabled o 10: rx 1 is enabled o 11: rx 0 and rx 1 is enabled 8.6.1.2 inductive sensing p roxfusion s ettings 0_ 0/1/ 2 (0x40 - 0x42 ) bit number 7 6 5 4 3 2 1 0 data access r/w r/w - r/w - - r/w r/w name inductive sensor m ode internal use multiplier range - rx select fixed value 1 0 - 1 1 bit definitions: ? bit 7 - 6 : sensor mode o 10: inductive sensor mode ? bit 4: multiplier range o 0: small o 1: large ? bit 1 - 0 : rx select o 11: rx 0 and rx 1 is enabled
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 34 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.6.2 proxfusion settings 1 8.6.2.1 capacitive sensing p roxfusion s ettings 1_0/1/2 (0x43 - 0x45 ) bit number 7 6 5 4 3 2 1 0 data access - r/w r/w r/w - - r/w r/w name - csz charge freq - auto ati mode bit definitions: ? bit 6: cs size o 0: cs capacitor size is 15 pf o 1: cs capacitor size is 60 pf ? bit 5 - 4 : charge frequency divider o 00: 1/2 o 01: 1/4 o 10: 1/8 o 11: 1/16 ? bit 1 - 0 : auto ati mode o 00: ati disabled o 01: partial ati ( all multipliers are fixed ) o 10: semi - partial ati ( only coarse multipliers are fixed ) o 11: full - ati 8.6.2.2 inductive sensing p roxfusion s ettings 1_0/1/2 (0x43 - 0x45 ) bit number 7 6 5 4 3 2 1 0 data access - r/w r/w r/w - - r/w r/w name - csz charge freq - auto ati mode bit definitions: ? bit 6: cs size o 0: cs capacitor size is 15 pf o 1: cs capacitor size is 60 pf ? bit 5 - 4 : charge frequency divider o 00: 1/2 o 01: 1/4 o 10: 1/8 o 11: 1/16 ? bit 1 - 0 : auto ati mode o 00: ati disabled o 01: partial ati ( all multipliers are fixed ) o 10: semi - partial ati ( only coarse multipliers are fixed ) o 11: full - ati
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 35 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.6.3 proxfusion settings 2 8.6.3.1 capacitive sens ing p roxfusion settings 2_0/1 /2 (0x46 - 0x48 ) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name ati_base ati_target (x32) bit definitions: ? bit 7 - 6 : auto ati base value o 00: 75 o 01: 100 o 10: 150 o 11: 200 ? bit 5 - 0 : auto ati target o ati target is 6 - bit value x 32 8.6.3.2 inductive sensing p roxfusion settings 2_0/1/2 (0x46 - 0x48 ) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name ati_base ati_target (x32) bit definitions: ? bi t 7 - 6 : auto ati base value o 00: 75 o 01: 100 o 10: 150 o 11: 200 ? bit 5 - 0 : auto ati target o ati target is 6 - bit value x 32
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 36 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.6.4 proxfusion settings 3 8.6.4.1 capacitive sensing p roxfusion settings 3_0/1 /2 (0x49 - 0x4b ) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w - r/w r/w r/w - name up_length cs div internal use up len en pass_length - bit definitions: ? bit 7 - 6 : up l ength s elect (requires up_length_en = 1 for use) o 00: up length = 0010 o 01: up length = 0110 o 10: up length = 1010 o 11: up length = 1110 ? bit 5: cs divider o 0: normal cs cap size o 1: cs cap size 5 times smaller ? bit 3: up length select enable o 0: up length select is disabled o 1: up length select is enabled (value in bit 7 - 6 is used) ? bit 2 - 1 : pass l ength s elect o 00: pass length = 001 o 01: pass length = 011 o 10: pass length = 101 o 11: pass length = 111 8.6.4.2 inductive sensing p roxfusion settings 3_ 0/1/2 (0x49 - 0x4b ) bit number 7 6 5 4 3 2 1 0 data access - - r/w - r/w - - - name - cs div internal use up len en - - bit definitions: ? bit 5: cs divider o 0: normal cs cap size o 1: cs cap size 3 times smaller
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 37 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.7 proxfusion sensor settings block 1 8.7.1 proxfusion settings 4 8.7.1.1 capacitive sensing p roxfusion s ettings 4 (0x50) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name sar en internal use two sided en acf disable lta beta acf beta bit definitions: ? bit 7 : sar ui e nable o 0: sar ui is disabled o 1: sar ui is enabled ? bit 5: two sided d etection o 0: bidirectional detection disabled o 1: bidirectional detection enabled ? bit 4: disable ac f ilter o 0: ac filter e nabled o 1: ac filter d isabled ? bit 3 - 2 : long term average beta v alue o 00: 7 o 01: 8 o 10: 9 o 11: 10 ? bit 1 - 0 : ac filter beta v alue o 00: 1 o 01: 2 o 10: 3 o 11: 4 8.7.1.2 inductive sensing p roxfusion s ettings 4 (0x50) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name sar en metal detect en two sided en acf disable lta beta acf beta bit definitions: ? bit 7 : sar ui e nable o 0: sar ui is disabled o 1: sar ui is enabled ? bit 6: metal detection ui e nable
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 38 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 o 0: metal d etection ui is disabled o 1: metal d etection ui is enabled ? bit 5: two sided d etection o 0: bidirectional detection disabled o 1: bidirectional detection enabled ? bit 4: disable ac f ilter o 0: ac filter e nabled o 1: ac filter d isabled ? bit 3 - 2 : long term average beta v alue o 00: 7 o 01: 8 o 10: 9 o 11: 10 ? bit 1 - 0 : ac filter beta v alue o 00: 1 o 01 : 2 o 10: 3 o 11: 4
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 39 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.7.2 proxfusion settings 5 p roxfusion s ettings 5 (0x51) bit number 7 6 5 4 3 2 1 0 data access r/w - - - - - - - name disable ch1 auto internal use bit definitions: ? bit7: disable ch1 auto o 0: ch1 is enabled when sar ui is active o 1: ch1 is disabled when sar ui is active ? bit 6 - 0 : internal use 8.7.3 compensation compensation ch0/1/2 (0x52 - 0x54 ) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name compensation (0 - 7) bit definitions: ? bit 7 - 0 : compensation ( 7 - 0 ) o 0 - 255: lower 8 - bits of the compensation value. 8.7.4 multipliers multipliers ch0/1/2 (0x55 - 0x57 ) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name compensation (8 - 9) multiplier coarse multiplier fine bit definitions: ? bit 7 - 6 : compensation (8 - 9) o 0 - 3: upper 2 - bits of the compensation value. ? bit 5 - 4 : multiplier coarse o 0 - 3: coarse multiplier selection ? bit 3 - 0 : multiplier fine o 0 - 15: fine multiplier selection
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 40 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.8 proxfusion ui s ettings 8.8.1 prox threshold ch0/1/2 prox t hreshold ch0/1/2 (0x60/0x62/ 0x64 ) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name proximity threshold v alue bit definitions: ? bit 7 - 0 : pr oximity threshold = proximity threshold v alue 8.8.2 touch threshold ch0/1/2 touch t hreshold ch0/1/2 (0x61/0x63/0x65 ) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name touch threshold v alue bit definitions: ? bit 7 - 0 : touch threshold = touch threshold v alue * lta/ 256 8.8.3 proxfusion d iscrete ui halt time proxfusion d iscrete ui halt t ime (0x66 ) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name halt time bit definitions: ? bit 7 - 0 : halt time in 500ms increments (decimal value x 500ms)
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 41 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.9 sar ui s ettings 8.9.1 sar ui settings 0 sar ui s ettings 0 (0x70) bit number 7 6 5 4 3 2 1 0 data access - r/w r/w r/w r/w r/w r/w r/w name - qrd beta sar to gpio0 movement beta bit definitions: ? bit 6 - 4 : quick release detection beta o 0 - 7: quick release filter beta value ? bit 3: sar standoff state to gpio0 o 0: sar standoff state to gpio0 not active . rdy on gpio0 o 1: sar standoff state to gpio0 active . no rdy signal ? bit 2 - 0 : m ovement detection filter beta o 0 - 7: movement filter beta value 8.9.2 sar ui settings 1 sar ui s ettings 1 (0x71) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name lta halt timeout in no prox movement detection threshold bit definitions: ? bit 7 - 4 : lta halt timeout in no prox o 0 - 15: lta halt timeout in no prox in 500 ms ticks ? bit 3 - 0 : movement detection threshold o 0 - 15: movement threshold = movement threshold value 8.9.3 quick release detection threshold quick release detection t hreshold (0x72) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name qrd threshold value bit definitions: ? bit 7 - 0 : proximity threshold = proximity threshold value
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 42 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.9.4 filter halt threshold filter halt t hreshold (0x73) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name filter halt threshold value bit definitions: ? bit 7 - 0 : filter halt threshold = filter halt threshold value 8.9.5 proximity threshold proximity t hreshold (0x74) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name proximity threshold value bit definitions: ? bit 7 - 0 : proximity threshold = proximity threshold value 8.9.6 q uick release detection halt time quick release detection halt time (0x75) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name lta h alt timeout after a qrd ( decimal value x 500ms) bit definitions: ? bit 7 - 0 : lta h alt timeout after a quick release detection with no mov ement afterwards (decimal value x 500 ms )
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 43 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.10 metal d etect ion ui s ettings 8.10.1 metal detect ui settings metal detect ui s ettings (0x80) bit number 7 6 5 4 3 2 1 0 data access - - r/w r/w - - r/w r/w name - - hysteresis t - - hysteresis p bit definitions: ? bit 5 - 4 : touch h ysteresis o 00: disabled o 01: 1/4 of threshold o 10: 1/8 of threshold o 11: 1/16 of threshold ? bit 1 - 0 : proximity h ysteresis o 00: disabled o 01: 1/4 of threshold o 10: 1/8 of threshold o 11: 1/16 of threshold 8.10.2 metal detect ui filter halt threshold metal detect ui filter h alt t hreshold (0x81) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name metal detect filter halt threshold v alue bit definitions: ? bit 7 - 0 : filter halt threshold = filter halt threshold v alue 8.10.3 metal detect ui proximity threshold metal detect ui proximity t hreshold (0x82) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name proximity threshold v alue bit definitions: ? bit 7 - 0 : pr oximity threshold = proximity threshold v alue
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 44 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.10.4 metal detect ui touch threshold metal d etect ui touch t hreshold (0x83) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name touch threshold v alue bit definitions: ? bit 7 - 0 : touch threshold = touch threshold v alue * 4
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 45 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.11 hall - effect sensor settings 8.11.1 hall - effect settings 0 hall - effect s ettings 0 (0x90) bit number 7 6 5 4 3 2 1 0 data access - - r/w r/w - - r/w r/w name - - charge freq reserved auto ati mode bit definitions: ? bit 5 - 4 : charge frequency divider o 00: 1/2 o 01: 1/4 o 10: 1/8 o 11: 1/16 ? bit 1 - 0 : auto ati mode o 00: ati disabled o 01: partial ati ( all multipliers are fixed ) o 10: semi - partial ati ( only coarse multipliers are fixed) o 11: full - ati 8.11.2 hall - effect settings 1 hall - effect s ettings 1 (0x91) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name ati_base ati_target (x32) bit definitions: ? bit 7 - 6 : auto ati base value o 00: 75 o 01: 100 o 10: 150 o 11: 200 ? bit 5 - 0 : auto ati target o ati target is 6 - bit value x 32 8.11.3 compensation ch4/5 compensation ch4/5 (0x92) bit number 7 6 5 4 3 2 1 0 data a ccess r/w r/w r/w r/w r/w r/w r/w r/w name compensation ( 7 - 0 ) bit definitions: ? bit 7 - 0 : compensation ( 7 - 0 )
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 46 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 o 7 - 0 : lower 8 - bits of the compensation value. 8.11.4 multipliers ch4/5 multipliers ch4/5 (0x93) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name compensation ( 9 - 8 ) multipliers coarse multipliers fine bit definitions: ? bit 7 - 6 : compensation (9 - 8) o 0 - 3: upper 2 - bits of the compensation value. ? bit 5 - 4 : multipliers coarse o 0 - 3: coarse multiplier selection ? bit 3 - 0 : multipliers fine o 0 - 15: fine multiplier selection
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 47 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.12 hall - effect switch ui s ettings 8.12.1 hall - effect switch ui settings hall - effect switch ui s ettings (0xa0) bit number 7 6 5 4 3 2 1 0 data access - r/w r/w r/w - r/w r/w r/w name - lin mode hysteresis t - swap dir hysteresis p bit definitions: ? bit 6: linearize output o 0: disabled o 1: enabled ? bit 5 - 4: touch hysteresis o 00: disabled o 01: 1/4 of threshold o 10: 1/8 of threshold o 11: 1/16 of threshold ? bit 2: swap field direction indication o 0: disabled o 1: enabled ? bit 1 - 0 : proximity hysteresis o 00: disabled o 01: 1/4 of threshold o 10: 1/8 of threshold o 11: 1/16 of threshold 8.12.2 hall - effect switch ui proximity threshold hall - effect switch ui proximity t hreshold (0xa1) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name proximity threshold value bit definitions: ? bit 7 - 0 : proximity threshold = proximity threshold value 8.12.3 hall - effect switch ui touch threshold hall - effect switch ui touch t hreshold (0xa2) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name touch threshold value bit definitions: ? bit 7 - 0 : touch threshold = touch threshold value * 4
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 48 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.13 temperature ui settings 8.13.1 temperature ui settings temperature ui settings (0xc0 ) bit number 7 6 5 4 3 2 1 0 data access - r/w r/w r/w r/w r/w r/w r/w name - reseed in prox reseed enable reseed threshold bit definitions: ? bit 6: reseed in prox o 0: reseed will not occur during a prox o 1: reseed will occur during a prox ? bit 5 : reseed enable o 0: disabled o 1: enabled ? bit 4 - 0 : reseed threshold o 0 - 32 : reseed threshold = reseed threshold value 8.13.2 ch3 multipliers multipliers ch3 (0xc1 ) bit number 7 6 5 4 3 2 1 0 data access - - r/w r/w r/w r/w r/w r/w name - - multiplier coarse multiplier fine bit definitions: ? bit 5 - 4 : multiplier coarse o 0 - 3: coarse multiplier selection ? bit 3 - 0 : multiplier fine o 0 - 15: fine multiplier selection 8.13.3 temperature calibration data temperature calibration data0 (0xc2 ) bit number 7 6 5 4 3 2 1 0 data access r /w r /w name temperature multiplier temperature divider bit definitions: ? bit 7 - 4 : temperature multiplier o 0 C 16: temperature multiplier value ? bit 3 C 0: temperature divider o 0 C 16:temeprature divider value
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 49 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 temperature calibration data1 (0xc3 ) bit number 7 6 5 4 3 2 1 0 data access r /w r /w r /w r /w r /w r /w r /w r /w name temperature offset bit definitions: ? bit 7 - 0 : temperature offset o 0 C 255: temperature offset value
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 50 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.14 device and power mode s ettings 8.14.1 system settings system s ettings (0xd0) bit number 7 6 5 4 3 2 1 0 data access w=1 w=1 r/w r/w r/w r/w w=1 w=1 name s o ft r e s e t ack r e s e t ev e nt m o de 4mhz c om ms ati ati band redo ati reseed bit definitions: ? bit 7: software reset ( set only, will clear when done ) o 1: causes the device to perform a wdt reset ? bit 6: ack reset ( set only, will clear when done ) o 1: acknowledge that a reset has occurred. this event will trigger until acknowledged . ? bit 5: event mode enable o 0: event mode disabled. default s treaming mode communication. o 1: e vent mode communication enabled. ? bit 4: main clock frequency selection o 0: run fosc at 16mhz o 1: run fosc at 4mhz ? bit 3: comm unication s during ati o 0: no communications are generated during ati o 1: comm unication continue as setup regardless of ati state. ? bit 2: re - ati band selection o 0: re - ati when o utside 1/8 of ati target o 1: re - ati when outside 1/16 of ati target ? bit 1: redo ati on all channels ( set only, will clear when done ) o 1: redo the ati on all channels ? bit 0: re seed a ll long - term filters ( set only, will clear when done ) o 1: r eseed all channels 8.14.2 active channels active c hannels (0xd1) bit number 7 6 5 4 3 2 1 0 data access - - r/w r/w r/w r/w r/w r/w name - - ch5 ch4 ch3 ch2 ch1 ch0 bit definitions: ? bit 5: ch5 ( note: ch4 and ch 5 must both be enabled for hall - effect switch ui to be functional ) o 0: channel is enabled o 1: channel is disabled ? bit 4: ch4 ( note: ch4 and ch 5 must both be enabled for hall - effect switch ui to be functional )
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 51 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 o 0: channel is enabled o 1: channel is disabled ? bit 3: ch3 o 0: channel is enabled o 1: channel is disabled ? bit 2: ch2 ( note: ch2 must be enabled for metal detect ui to be functional ) o 0: channel is enabled o 1: channel is disabled ? bit 1: ch1 ( note: ch0 and ch1 must both be enabled for sar ui to be functional ) o 0: channel is disabled o 1: channel is enabled ? bit 0: ch0 ( note: ch0 and ch1 must both be enabled for sar ui to be functional ) o 0: channel is disabled o 1: channel is enabled 8.14.3 power mode settings power mode settings (0xd2) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name pwm out en ulp m o de dsbl auto m o de p o w e r mode np seg rate bit definitions: ? bit 7: pwm output activation o 0: pwm output inactive o 1: pwm output active ? bit 6: : allow auto ultra - low power mode switching o 0: ulp is disabled during auto - mode switching o 1: u lp is enabled during auto - mode switching ? bit 5: disable auto mode switching o 0: auto mode switching is enabled o 1: auto mode switching is disabled ? bit 4 - 3 : manually select power mode ( note: bit 5 must be set ) o 00: normal power mode. the device runs at the normal power rate, all enabled channels and uis will execute. o 01: low power mode. the device runs at the low power rate, all enabled channels and uis will execute. o 10: ultra - low power mode. the device runs at the ultra - low power rate, ch0 is run as wake - up channel. the other channels execute at the np - segment rate. o 11: halt mode. no conversions are performed; the device must be removed from this mode using an i2c command. ? bit 2 - 0 : n ormal power segment update rate o 000: ? ulp rate o 001: ? ulp rate
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 52 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 o 010: 1/8 ulp rate o 011: 1/ 16 ulp rate o 100: 1/32 ulp rate o 101: 1/64 ulp rate o 110: 1/128 ulp rate o 111: 1/256 ulp rate 8.14.4 normal power mode report rate normal power mode report r ate (0xd3) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name normal power mode report r ate in ms bit definitions: ? bit 7 - 0 : n ormal mode report rate in ms ( note: lposc timer has + - 4 ms accuracy ) 8.14.5 low power mode report rate low p ower mode report r ate (0xd 4 ) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name low power mode report r ate in ms bit definitions: ? bit 7 - 0 : low - power mode report rate in ms ( note: lposc timer has + - 4 ms accuracy ) 8.14.6 ultra - low power mode report rate ultra - low p ower mode report r ate (0xd 5 ) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name ultra - low power mode report rate in 16 ms increments bit definitions: ? bit 7 - 0 : ultra - low power m ode report rate in 16 ms increments (decimal value x 16ms) 8.14.7 auto mode timer auto m ode t imer (0xd 6 ) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name auto mode timer in 500 ms increments bit definitions: ? bit 7 - 0 : auto modes switching time in 500 ms increments (decimal value x 500ms)
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 53 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 8.14.8 global event mask global event mask (0xd 7 ) bit number 7 6 5 4 3 2 1 0 data access r /w r /w r /w r /w r /w r /w r /w r /w name sar active pmu event sys event temp event metal detect hall event sar event prox sense event bit definitions: ? bit 7: sar activation state mask o 0: event is allowed o 1: event is masked ? bit 6 : power management unit event mask o 0: event is allowed o 1: event is masked ? bit 5: system event mask o 0: event is allowed o 1: event is masked ? bit 4: temperature event mask o 0: event is allowed o 1: event is masked ? bit 4: metal detect event mask o 0: event is allowed o 1: eve nt is masked ? bit 2: hall - effect event mask o 0: event is allowed o 1: event is masked ? bit 1: sar event mask o 0: event is allowed o 1: event is masked ? bit 0: proxsense event mask o 0: event is allowed o 1: event is masked 8.14.9 pwm duty cycle pwm duty cycle (0xd 8 ) bit number 7 6 5 4 3 2 1 0 data access r/w r/w r/w r/w r/w r/w r/w r/w name pwm duty cycle (%) bit definitions: ? bit 7 - 0 : pwm duty cycle (%) o 0 - 100: pwm duty cycle of the fixed 1khz pwm output available on gpio3
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 54 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 9 electrical characteristics 9.1 absolute maximum specifications the following absolute maximum parameters are specified for the device: exceeding these maximum specifications may cause damage to the device . table 9.1 absolute maximum specification parameter absolute maximum operating temperature - 40c to 85c supply voltage (vddhi C gnd ) 3.6 v maximum pin voltage vddhi + 0.5v (may not exceed vddhi max) maximum continuous current (for specific pins) 10ma minimum pin voltage gnd - 0.5v mini mum power - on slope 100v/s esd protection 4 kv ( human body model ) 9.2 power on - reset/brown out table 9.2 power on - reset and brown out detection specifications description conditions parameter min max unit power on reset v ddhi slope 100v/s @25 c por tbc tbc v brown out detect v ddhi slope 100v/s @25 c bod tbc tbc v 9.3 digital input/output trigger levels table 9.3 digital input/output trigger level specifications description conditions parameter min typical max unit all digital inputs vdd = 1.8v input low level voltage tbc tbc tbc v all digital inputs vdd = 1.8v input high level voltage tbc tbc tbc v all digital inputs vdd = 3.3v input low level voltage tbc tbc tbc v all digital inputs vdd = 3.3v input high level voltage tbc tbc tbc v
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 55 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 9.4 current consumptions 9.4.1 capacitive sensing alone table 9.4 capacitive sensing current consumption power mode supply voltage ati target (counts) report rate (ms) min typical max unit np mode vdd = 1.8v 10 - tbc - ? a vdd = 3.3v 512 10 - 26.42 - 20 - 17.5 - 100 - 5.2 - lp mode vdd = 1.8v - tbc - vdd = 3.3v - tbc - ulp mode vdd = 1.8v - tbc - vdd = 3.3v 512 128 - 3.15 - 240 - 3.05 - 800 - tbc - halt mode vdd = 1.8v - tbc - vdd = 3.3v - tbc - 9.4.2 capacitive sensing with sar ui active table 9.5 capacitive sensing and sar ui current consumption power mode supply voltage ati target (counts) report rate (ms) min typical max unit np mode vdd = 1.8v 10 - tbc - ? a vdd = 3.3v 512 10 - 27.8 - 20 - 18.03 - 30 - 12.25 - 100 - 5.35 - lp mode vdd = 1.8v - tbc - vdd = 3.3v - tbc - ulp mode vdd = 1.8v - tbc - vdd = 3.3v 512 128 - 3.15 - 240 - 3.05 - 800 - tbc - halt mode vdd = 1.8v - tbc - vdd = 3.3v - tbc -
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 56 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 9.4.3 hall - effect sensing alone table 9.6 hall - effect current consumption power mode supply voltage ati target (counts) report rate min typical max unit np mode vdd = 1.8v - tbc - ? a vdd = 3.3v 512 10 - 64.13 - 20 - 40.51 - 100 - 10.02 - lp mode vdd = 1.8v - tbc - vdd = 3.3v - tbc - ulp mode vdd = 1.8v - tbc - vdd = 3.3v 512 80 - 4.08 - 400 - 3.03 - 800 - 2.32 - halt mode vdd = 1.8v - tbc - vdd = 3.3v - tbc - 9.4.4 inductive sensing alone table 9.7 inductive sensing current consumption power mode supply voltage ati target (counts) report rate min typical max unit np mode vdd = 1.8v - tbc - ? a vdd = 3.3v 512 10 - 47.47 - 20 - 30.27 - 100 - 7.88 - lp mode vdd = 1.8v - tbc - vdd = 3.3v - tbc - ulp mode vdd = 1.8v - tbc - vdd = 3.3v - tbc - halt mode vdd = 1.8v - tbc - vdd = 3.3v - tbc -
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 57 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 9.5 capacitive loading limits to be completed. 9.6 hall - effect measurement limits to be completed. 9.7 inductive measurement limits to be completed.
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 58 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 10 package information 10.1 dfn10 package and footprint specifications table 10.1 dfn - 10 package dimensions (bottom) dimension [mm] a 3 0.1 b 0.5 c 0.25 d n/a f 3 0.1 l 0.4 p 2.4 q 1.65 table 10.2 dfn - 10 package dimensions (side) dimension [mm] g 0.05 h 0.65 i 0.7 - 0.8 table 10.3 dfn - 10 landing dimensions dimension [mm] a 2.4 b 1.65 c 0.8 d 0.5 e 0.3 f 3.2 figure 10.1 dfn - 10 package dimensions (bottom view ). note that the saddle need s to be connected to common gnd on the pcb . figure 10.2 dfn - 10 package dimensions (side view ) figure 10.3 dfn - 10 landing pad dimension s (top view) a d b l q f p c a c e d b package outline f
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 59 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 10.2 device marking ( subjected to change for production ) 10.2.1 top marking device name a = iqs 620 revision b = x ( ic revision number ) temperature range c = t (i = industrial, - 40 c to 85 c ) date code d = p (internal use) e = wwyy (batch number) pin 1 marking f = dot to indicate pin 1 10.3 ordering information order quantities will be subject to multiples of a full reel. contact the official distributor for sample quantities. a list of the distributors can be found under the distributors section of www.azoteq.com . ic name iqs620 = iqs620 configuration z = sub address configuration (hexadecimal) 0 = 4 4h 1 = 4 5h 2 = 4 6h 3 = 4 7h 4 = 4 ch 5 = 4dh 6 = 4eh 7 = 4fh package type dn = dfn10 (3x3) bulk packaging r = reel dnf10 (3x3) C 3000pcs/reel iqs62 0 z ppb ic name sub address configuration bulk packaging packaging type a c d b f e
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 60 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 10.4 tape and reel specification
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 61 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 10.5 msl level moisture sensitivity level (msl) relates to the packaging and handling precautions for some semiconductors. the msl is an electronic standard for the time period in which a moisture sensitive device can be exposed to ambient room conditions (approximately 30c / 85 %rh see j - std033c for more info ) before reflow occur. package level (duration) dfn10 msl 1 (unlimited at 30
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 62 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 11 datasheet revisions 11.1 revision history v1.0 C first release version 11.2 errata
iq switch ? prox fusion ? series copyright ? azoteq 2016 iqs620 preliminary pre - p roduction datasheet revision 0.91 page 63 of 63 all rights reserved information in this datasheet is based on products in the design, validation or qualification phase of development. the performance and parameters shown in this document are preliminary without any warranty and are subject to change without notice. novemb er 2016 appendix a. contact information usa asia south africa physical address 6507 jester blvd bldg 5, suite 510g austin tx 78750 usa rm 2125 , glittery city shennan rd futian district shenzhen, 518033 china 109 main street paarl 7646 south africa postal address 6507 jester blvd bldg 5, suite 510g austin tx 78750 usa rm 2125 , glittery city shennan rd futian district shenzhen, 518033 china po box 3534 paarl 7620 south africa tel +1 512 538 1995 +86 755 8303 5294 ext 808 +27 21 863 0033 fax +1 512 672 8442 +27 21 863 1512 email info@azoteq.com info@azoteq.com info@azoteq.com please visit www.azoteq.com for a list of distributors and worldwide representation . the following patents relate to the device or usage of the device: us 6,249,089; us 6,952,084; us 6,984,900; us 7,084,526; us 7,084,531; us 8,395,395; us 8,531,120; us 8,659,306; us 8,823,273; us 9,209,803; us 9,360,510; ep 2,351,220; ep 2,559,164; ep 2,656,189; hk 1,156,120; hk 1,157,080; sa 2001/2151; sa 2006/05363; sa 2014/01541; sa 2015/023634 iq switch ? , swipe switch?, proxsense ? , lightsense?, airbutton tm , proxfusion?, crystal driver? and the logo are trademarks of azoteq. the information in this datasheet is believed to be accurate at the time of publication. azoteq uses reasonable effort to ma intain the i nformation up - to - date and accurate, but does not warrant the accuracy, completeness or reliability of the information contained herein. all content and information are provided on an a s is basis only, without any representations or warranties, express o r implied, of any kind, including representations about the suitability of these products or information for any purpose. valu es in the datasheet is subject to change without notice, please ensure to always use the latest version of this document. applic ation specific operating conditions should be taken into account during design and verified before mass production. azoteq di sclaims all warranties and conditions with regard to these products and information, including but not limited to all implied warra nties and conditions of merchantability, fitness for a particular purpose, title and non - infringement of any third party intellectual property rights. azoteq assumes no liability for any damages or injury arising f rom any use of the information or the prod uct or caused by, without limitation, failure of performance, error, omission, interruption, defect, delay in operation or transmission, even if azoteq has been advised of the possibility of such damages. the applications mentioned herein are used solely f or the purpose of illustration and azoteq makes no warranty or representation that such applications will be suitable without further modification, nor recommends the use of its products for application that may present a risk to human life due to malfunct ion or otherwise. azoteq products are not authorized for use as critical components in life support devices or systems. no licenses to patents are granted, implicitly, express or implied, by estoppel or otherwise, under any intellect ual property rights. i n the event that any of the abovementioned limitations or exclusions does not apply, it is agreed that azoteqs total liability for all losses, damages and causes of action (in con tract, tort (including without limitation, negligence) or otherwise) will no t exceed the amount already paid by the customer for the products. azoteq reserves the right to alter its products, to make co rrections, deletions, modifications, enhancements, improvements and other changes to the content and information, its products, p rograms and services at any time or to move or discontinue any contents, products, programs or services without prior notific ation. for the most up - to - date information and binding terms and conditions please refer to www.azoteq.com www.azoteq.com/ip info@azoteq.com

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