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kit description rev. 1.1 / june 2011 zsc31210 / zssc3122 / ZSSC3123 clite? ssc modular evaluation kit
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 2 of 28 restrictions: the zmd ag clite? ssc evaluation kit hardware and so ftware are designed only for evaluation, laboratory setup, and module development for clite? family ic s, including the zsc31210, zssc3122, and ZSSC3123 the zmd ag clite ? ssc evaluation kit hardware and so ftware must not be used for module production and production test setups. zmd ag shall not be liable for any damages arising out of defects resulting from (i) delivered hard and software ( ii) non-observance of instructions contained in this manual, or (iii) misuse, abuse, use under abnormal conditions or alteration by anyone ot her than zmd ag. to the extent permitted by law, zmd ag hereby expressly disclaims and user expressly waives any and all warran ties, whether express, implied or statutory, including, without limitation, implied warranties of merchantability an d of fitness for a particular purpose, statutory warranty of non-infringement and any other warranty that may aris e by reason of usage of trade, custom, or course of dealing. contents 1 kit contents........................................................................................................................................5 2 usb driver installation .......................................................................................................................6 3 clite? ssc evaluation board ...........................................................................................................7 3.1 overview ......................................................................................................................................7 3.2 installing the communication and calibration software...............................................................8 3.3 connections to the clite? ...........................................................................................................8 3.4 power supply to the board ...................................................................................................... ....8 3.5 reset switch ................................................................................................................................8 4 clite? ssc evaluation software.......................................................................................................9 4.1 overview ......................................................................................................................................9 4.1.1 user files ...............................................................................................................................9 4.1.2 data file calibration.db ...........................................................................................................9 4.2 ?setup? menu ................................................................................................................... ..........10 4.2.1 special feature ?set i 2 c speed? ..........................................................................................11 4.2.2 special feature ?find i 2 c address?......................................................................................11 4.2.3 special feature ?power up all duts?...................................................................................11 4.3 ?open port? button ............................................................................................................. ........11 4.4 display selection.............................................................................................................. ..........11 4.5 ?master i2c addr? section...................................................................................................... ....11 4.6 sensor and temperature display ..............................................................................................11 4.7 ?log file? field ...........................................................................................................................12
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 3 of 28 4.8 normal operation section....................................................................................................... ...12 4.8.1 ?run? button ................................................................................................................... ......12 4.8.2 ?rate? field ................................................................................................................... .......12 4.8.3 ?vdd? field.................................................................................................................... .......12 4.9 ?start cm? button .............................................................................................................. .........12 4.10 ?start nom? button ............................................................................................................. .......12 4.11 eeprom editor section .......................................................................................................... ..12 4.11.1 ?read? button .................................................................................................................. .....13 4.11.2 ?save? button .................................................................................................................. .....13 4.11.3 ?load? button .................................................................................................................. .....13 4.12 ?configuration? section ........................................................................................................ ......13 4.12.1 zmdi config .................................................................................................................... .....13 ?meas mode? menu ............................................................................................................... ........13 ?update rate? menu ............................................................................................................. ........14 ?output mode? menu ............................................................................................................. ........14 ?lock eeprom? checkbox......................................................................................................... ..14 ?lock i2c addr? checkbox ....................................................................................................... .....14 ?sottc 2x?.....................................................................................................................................14 ?gainc 4x? checkbox ............................................................................................................ .......14 ?third order corr? checkbox .................................................................................................... ....14 4.12.2 customer config ................................................................................................................ ..14 ?device id? field ...........................................................................................................................14 ?alarm high? menu .............................................................................................................. ..........15 ?alarm low? menu............................................................................................................... ..........15 ?spi phase? menu............................................................................................................... ..........15 ?ready open drain? checkbox .................................................................................................... .15 ?fast start up? checkbox ....................................................................................................... ......15 4.12.3 afe config section ............................................................................................................. .15 4.13 ?commands? section ............................................................................................................. ....15 5 dry run calibration ............................................................................................................ ..............18 5.1 steps for the dry run calibration .............................................................................................. 18 6 verify calibration with pdm_c output ........................................................................................... ..20
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 4 of 28 6.1 measuring the pdm_c output using the clite? software ........................................................20 7 calculation of calibration coefficients off-line............................................................................... .21 8 clite? ssc evaluation software with the zmdi ssc terminal ......................................................22 8.1 protocol ......................................................................................................................................22 8.2 zmdi ssc terminal .............................................................................................................. .....22 9 pin configuration and package ? tssop14 samples.....................................................................24 10 related documents..........................................................................................................................26 11 definitions of acronyms....................................................................................................................26 12 document revision history ...................................................................................................... ........27 appendix a: schematic clite? ssc evaluation board..........................................................................28
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 5 of 28 1 kit contents a) ssc communication board v3.3 with cable (usb cable) * b) zsc31210 clite ssc evaluation board with tssop-14 samples?operates with the zsc31210 ? , zssc3122, and ZSSC3123 c) dvd rom including ssc evaluation kit software d) ssc test board v1.0 e) ssc kit start up information figure 1.1 clite? ssc evaluation kit potentiometer for vdd control reset switch clite ssc evaluation board usb connector ssc cb the clite ? ssc evaluation kit contains the software and hardware needed for communication and calibration of a clite? family sensor signal conditioning ic, including the zsc31210, zssc3122, and ZSSC3123. a pc can communicate with a clite? socketed on the ssc eval uation board via the ssc communication board (ssc cb) through a usb connection. the software should func tion on any windows?2000/xp/ vista/windows?7 system after installation of a usb driver. the ssc evaluation b oard can connect to a capacitive sensor or provide on- board capacitors for simulating input from a capacitive sensor. (see figure 3.1 .) * ensure that the firmware of the ssc cb microprocessor is >rev2.19d. ? the zsc31210 is only available as die; tssop-14 engineering samples are included in the kit for evaluation purposes only.
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 6 of 28 2 usb driver installation the ssc evaluation kit requires installation of two usb driv ers. to install the drivers, the user?s system must meet these requirements: ? x86-compatible pc ? 64 mb ram ? hard drive with 20mb free space ? usb port ? windows? 2000/xp/ vista / windows? 7 the two required driver files are in the usb_driver folder on the dvd. these driv ers will make the pc?s usb port appear as a virtual com port (typically com3 or com4 on most computers). the ssc evaluation kit software accesses the ssc evaluation board through the ssc cb as if it were a com (rs232) port. these drivers will not affect the operation of any other usb peripherals. refer to ssc_an_communicationboard_driver_installation_rev_x_x.pdf for instructions on installing these two drivers and for determining t he virtual com port for the ssc evaluation kit, which is needed for setting up the kit.
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 7 of 28 vdd ? adjust for 2.3 to 5.5v for the zsc3120 or 1.8 to 5.5v for the zssc3122 or ZSSC3123. k1 connector to ssc cb vss vss vss vss vss vss vss vcore c0 vss cc vss c1 vdd vcore c0 vss cc vss c1 vdd vdd vdd vdd v dd vdd vdd vdd vdd vdd vdd vdd vdd vdd vdd ss scl sda vss ready alarm high alarm low ss scl sda vss ready alarm high alarm low vss vss vss vss vss vss vss 3 jumpers k6: enable on-board sensor replacement capacitors c1, c0. jumpers k7, k8, k9, and k10: place capacitance on c0 or c1 input. connect external capacitive sensor to k5 (disconnect jumpers k6) jumper k3 selects the pdm_c output on k13 or the ready digital output. k2: remote board connector vdd ss vcore scl vss sda vss ready alarm_high alarm_low pin 1 of clite? k4 selects the pdm_t output on k13 or the a larm_low digital output. k13 analog test points 3 clite? ssc evaluation board 3.1 overview figure 3.1 ssc evaluation board overview the main purpose of the ssc evaluation kit is comm unication between the pc and the clite?. the pc sends commands and data via the usb / ssc cb (virtual com port). the ? controller on the ssc cb interprets these commands and relays them to the clite? in the i 2 c bus standard format (k1 pin 11 / scl, pin 13/ sda). the ? controller will also forward any data bytes from the clit e? chip back to the pc via the usb connection. these bytes can be sensor and temperature readings to be di splayed by the pc software; raw adc readings used during calibration; or eeprom content bytes.
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 8 of 28 3.2 installing the communication and calibration softw are to install the clite? ssc evaluation kit software on the pc hard drive, locate the setup.exe file in the root directory of the ssc evaluation kit dvd and double cli ck on it. the software completes the installation. 3.3 connections to the clite? the ssc evaluation board has a tssop-14 socket for inse rting the clite?. there is an additional 10-pin header socket for connection to a cu stomer-supplied remote board. the board can be used for in-circuit programming of the cl ite? in the user?s calibration fixture using the vdd, vss, sda, scl and ready connections on the k2 connector on the ssc evaluation board. note: only one asic connection option can be used at a time. 3.4 power supply to the board the k1 connector to the ssc cb provides the power su pply from the ssc cb?s usb port to the ssc evaluation board. using the power via the usb port, the maximum current that can be provided is 40ma. all functions of the board are operative down to 1.8v. t he blue potentiometer regulates the supply voltage in a range from 1.8 to 5.5v.the board has a green led labeled vsuppl y, which lights if the board has power. 3.5 reset switch use the push button on the ssc cb (see figure 1.1 ) to reset communications if needed. when the ssc cb is reset usin g the push button, the com port in the clit e? ssc evaluation software must be reopened (see section 4.3 ).
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 9 of 28 4 clite? ssc evaluation software 4.1 overview the zmdi software provided with the ssc evaluation ki t is intended for demonstration purposes and calibration of single units. the installation folder is ( c:\program files\zmdi\clite ssc evaluation software ). zmdi can provide the user with algorithms and assistance in developing full production calibration software. figure 4.1 shows the main dialo g window of the clite ssc evaluation software. the six types of text files that support th e software user are described in sections 4.1.1 and 4.1.2 . 4.1.1 user files user files are saved in [ my documents ] \zmdi\clite ssc evaluation software and consist of status files, log files, and eeprom files. ? a statuslog.txt file lists all commands sent to the ic, responses, and error messages. if software problems occur, this file can be used for detecting the root cause of the problem. ? when the software is activated, a communicationlog.txt file is saved. this file is a log of the communication to the ic during the software sessi on and can be saved after closing the software by renaming the file. otherwise, it is overwri tten the next time the software is opened. ? in command mode (cm), the user can save/load the eeprom contents from an *.eep file to the eeprom and vise versa. ? in normal operation mode (nom), the user can log capacitance and temperature readings to a text file (.txt) of the user?s choice. ? the calibration is documented in the calibrationlog_ddmmmyyyy.txt file. these files are cumulative, with a new file for each day to prevent them from getting too long. 4.1.2 data file calibration.db the calibration.db file is used by the software for calibration. w here the file is saved depends on the windows system: ? for windows 2000 and windows xp, it is saved in c:\documents and settings\all users\application data\zmdi\clite ssc evaluation software. ? for windows?vista and windows?7, it is saved in c:\programdata\zmdi\clite ssc evaluation software.
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 10 of 28 figure 4.1 clite? software main menu to setup communication, first select the ?hw type? and the ?product and revision? under ?setup? (see section 4.2). then enter the com port and click the adjacent button, w hich toggles from ?open port? to ?close port? (section 4.3) verify communication in the status window. normal operation (nom ) section 4.2 ?setup? menu after opening the clite ssc evaluation software, the conn ected board type and the correct product and silicon revision must be selected under ?setup.? figure 4.2 setup selection (example for zssc3122)
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 11 of 28 4.2.1 special feature ?set i 2 c speed? this feature sets the i 2 c speed to a different frequency (default value: 100khz). 4.2.2 special feature ?find i 2 c address? this feature finds the i 2 c address of the clite?. this can be us ed if the address was accidentally changed and communication is locked. 4.2.3 special feature ?power up all duts? this feature is only used for the mass calibration board. 4.3 ?open port? button the clite? ssc evaluation software provides a drop-down menu for selection of all available com ports on the pc. select the correct com port from the drop-down menu (see section 2 ). to set up communication with the ssc cb, click on ?open p ort? (see figure 4.1 ), which then toggles to ?close port.? if the port is opened su ccessfully, ?opened port comx? w ill appear in the status window. 4.4 display selection during normal operation, it is possible to display the sens or and temperature data output in one of three different formats. the ?display? section at the top left allows the user to select decimal, hexadecimal, or percent and degrees celsius. the selected format is displayed in the sensor and temperature display boxes below the ?display? section (see section 4.6 ). 4.5 ?master i2c addr? section use the ?i2c addr? field at the top to enter the address that the ssc cb uses to communicate with the clite? installed in the socket on the ssc evaluation boar d. then click ?set address.? valid settings are 00 hex to 7f hex . the default is 28 hex . see important notes in section 4.12.2 regarding settings when the communication address is locked. 4.6 sensor and temperature display the software displays two large readout windows for s ensor and temperature values at the top left. the upper display window is the clite? temperature reading in decimal/hexadecimal/ o c. the window below the temperature is the sensor reading in decimal/hexadecimal/%. to adjust the rate at which data is read from the ic, use the rate adjustment (see section 4.8 ). if the clite? has n ot been temperature calibrat ed, the displayed temperature is invalid. the different colors of the display field indicate the clite? mode: color green blue red yellow ic mode/state valid value in normal operating mode (nom) valid in command mode (cm) diagnostic stale data (nom) ? ? for more details, refer to the appropriate datasheet ( zsc31210_clite_datasheet.pdf , zssc3122_clite_datasheet.pdf , or ZSSC3123_clite_datasheet.pdf).
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 12 of 28 4.7 ?log file? field sensor and temperature readings can be logged to a pc file. use the ?open log? button (below the sensor reading display window in figure 4.1 ) to select the filename and directory wh e re the file will be stored. click the ?save? button to log every data sample displayed in t he selected file with the date and time the sample was collected. the resulting text file is a comma-delimited ascii file (csv) and can be imported into spreadsheet applications such as microsoft excel ? . 4.8 normal operation section the normal operation section (below the ?master i2c addr? se ction) controls the collection of data when the ic is in normal operation mode (nom). 4.8.1 ?run? button to start a continuous readout of sensor and temperature data, click the ?run? button. the button text will change to ?stop.? click again to stop data collection. 4.8.2 ?rate? field this field sets the period (ms) for the sample rate of the continuous read out. valid settings are 10ms or longer. if this setting is less than the conversion time, st ale data will occasionally be fetched (see section 4.6 ). 4.8.3 ?vdd? field this field should be set match the vdd level used for pow ering the clite? dut. the value is used to properly scale the a2d readings for display when using pdm output mode. if not using pdm, this field can be ignored. 4.9 ?start cm? button to communicate to the clite?, start the command mode (cm) by clicking ?start cm? (see figure 4.1 ). in this mode, the me asurement cycle is stopped and the full command set is available. 4.10 ?start nom? button to exit command mode and return the clite? to norm al operation mode (nom), click ?start nom? (see figure 4.1 ). in this mode, the clite? continually perform s the mea surement cycle: reading, conditioning, and transmitting sensor data. note: for the clite?, nom is recommended for the raw value collection during the calibration. 4.11 eeprom editor section the eeprom editor section (lower left in figure 4.1 ) provides read and write ac cess to all of the eeprom locations within the clite?. to read the eeprom, click the ?read? button when the clite? is in command mode. to write to an individual eeprom address, click on the data row of the desired address, type in the new eeprom contents, and press the enter key on the keyboard. newly writte n data will be displayed in gray,
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 13 of 28 indicating that the error correcting codes (ecc) have not yet been checked. to check the codes, perform an eeprom read. 4.11.1 ?read? button to read eeprom settings, click the ?read? button while in command mode. the ?eeprom ? section displays all of the fields currently stored in the clite? eeprom ( non-volatile memory). data that is read from eeprom is displayed in one of four colors depending on the status of the ecc check. color black gray orange red ecc status correct data data has not been checked corrected single-bit error uncorrectable double-bit error 4.11.2 ?save? button the eeprom contents can be saved to a file in the [ my documents ] \zmdi\clite ssc evaluation software directory by clicking the ?save? button . the standard windo ws? dialog box for file saving results. all files will be saved with an ? .eep ? file extension. 4.11.3 ?load? button eeprom contents that have been previously saved to file can be written to the current eeprom by clicking the ?load? button. the standard windows? dialog box for loading a file results. the default folder for the saved file is [ my documents ] \zmdi\clite ssc evaluation software. note: the first byte of the data in the eeprom address 04 hex is masked to prevent overwriting required zmdi factory settings. 4.12 ?configuration? section this section is used to expedite programming configuration and communication settings in the eeprom of the clite? device under test (see figure 4.1 ). each of the group boxes ( zm di_config, customer_config, afe_config ) maps to an eeprom address. the dialog items within the box represent individual bits within the configuration fields. 4.12.1 zmdi config ?meas mode? menu this allows the user to select between update rate and sleep mode. sleep mode significantly reduces power consumption of the clite? by ?sleeping? until a measurem ent request is received. note that in sleep mode, pdm cannot be used. for more details, refer to the appropriate datasheet ( zsc31210_clite_datasheet.pdf , zssc3122_clite_datasheet.pdf , or ZSSC3123_clite_datasheet.pdf)
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 14 of 28 ?update rate? menu when operating in update mode, the update rate determi nes power consumption and response time. select the update rate by clicking on one of the four update rates on the ?update rate? drop-down menu. ?output mode? menu thre e output options are available on the ?output mode? drop-down menu: ? i2c ? spi ? pdm ?lock eeprom? checkbox if ?lock eeprom ? is checked, eeprom locations 0 through 15 hex are permanently locked preventing any future changes. ?lock i2c addr? checkbox if needed, lock the slave i 2 c address selection by clicking the ?lock i2c addr? checkbox. without this lock, the ic will respond to all i 2 c addresses. if the address is locked, the ?i2c addr? setting (see section 4.5 ) must match the ?devic eid? programmed in eeprom. ?sottc 2x? if ?sottc 2x? is ch ecked, the sot_tcg and sot_tco values (eeprom words 09 hex , 07 hex ) are multiplied by a factor of 2. the check box is set by the calibration dll as a result of the calculated calibration coefficients stored in the eeprom. ?gainc 4x? checkbox if ?gainc 4x ? is checked, the gain_1 and gain_2 values (eeprom words 0c hex , 0e hex ) are multiplied by a factor of 4. the check box is set by the calibration dll as a resu lt of the calculated calibration coefficients stored in the eeprom. ?third order corr? checkbox if ?third orde r corr? is checked, the third order nonlinearity correction is se lected instead of piece-wise correction with breakpoint math. otherwise the piece-wise correction with break point math is enabled. 4.12.2 customer config ?device id? field when the clite? is in i 2 c communication mode, the default slave address is 28 hex . if a different slave address is required, program the part for the new address by ent ering the hexadecimal value of the new address in the ?device id? field. the value is wri tten to eeprom when the field is unsele cted. the valid address range is 00 hex to 7f hex . the new i 2 c address will take effect on cycling power or entering normal operation mode (?start nom?). note: if ?lock i2c addr? is on (see section 4.12.1 ), ?deviceid? must match the ?i 2c addr? setting (see section 4.5 ).
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 15 of 28 ?alarm high? menu the ?alarm high? drop-down menu configures the alarm high pin to be active low or active high and sets whether it is full push-pull or open drain. ?alarm low? menu the ?ala rm low? drop-down menu configures the alarm low pin to be active low or active high and sets whether it is full push-pull or open drain. ?spi phase? menu the ?spi pha se? drop-down menu configures whether the spi master samples data on the negative edge or on the positive edge when using spi communication. ?ready open drain? checkbox if checked, ?rea dy open drain? configures the ready pin to be an open-drain style driver instead of full push-pull. ?fast start up? checkbox if checked, ?f ast start up? sets the co mmand window length to 3ms instead of 10ms. 4.12.3 afe config section the ?afe config? section configures the analog front -end for both the sensor and internal temperature measurement. see the datasheet for details on how to configure this section properly. 4.13 ?commands? section the ?commands? section allows issuing commands to the clite tm . click ?start cm? first (start command mode) before sending any commands to the clite tm . note that eeprom contents displayed in the main menu are not updated automatically if changed in this section. figure 4.3 shows an example of an eeprom read. a ?data fetch? must be sent next as shown in figure 4.4 . for more details, refer to the section 4 of the data sheet rega rding command mode and section 8.2 below.
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 16 of 28 figure 4.3 send eeprom read command (example for address 02) select the specific command more details for the commands click the ?send command? button changes in subcmd and ?data? field will be transferred here specify command and data (see data sheet, section 4.2)
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 17 of 28 figure 4.4 send datafetch command select the specific command result of the eeprom word address 2 reading (status byte 81 hex , contents 0b01 hex ; 4 th byte can be ignored) click the ?send command? button
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 18 of 28 5 dry run calibration the following directions perform an example of a simple 3-point nonlinear calibration using the sensor replacement c0 (3pf, 6pf, 3+6pf) on the ssc board. the calibrated i 2 c output will be displayed as the calibration result (see section 4.6 ). 5.1 steps for the dry run calibration 1) connect the ssc communication (ssc cb) and clite ssc evaluation board. insert the clite? dut in the 14-pin tssop socket taking care to align pin 1 as indicated in figure 3.1 ). 2) connect a usb cable from the usb connector on t he ssc cb to an available usb port on the pc. in the pc?s device manager, check which com port is connec ted to ?zmdi ssc evaluation kit.? verify that the green pwr led is lit on the ssc cb. 3) start the clite ssc evaluation software . 4) select the proper ?hw type? (ssc eval kit) and ?product? under the setup menu (see section 4.2 ) 5) select the proper com port. c lick on ?open port? (see section 4.3 ). 6) click on ?start cm.? if the setup is correct, the current eeprom contents are displayed in the ?response? field at the right and in the eeprom section in the lower left bottom. 7) click on the ?load? bu tton and browse as needed to locate and load any *.eep file (see section 4.1 ). using the capacitance on the ssc evaluation board for this example, load the default eeprom file provided with the softwa re installation for the product and revision used ( zsc31210 rev c default.eep, zssc3122 rev a default.eep, or ZSSC3123 rev a default.eep ) ** . 8) click on ?calibrate.? the calibration window appears (see figure 5.1 ). ** the clite? software prevents overwriting reserved factory settings when loading this file.
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 19 of 28 figure 5.1 calibration window with 3-point calibration example sensor % field asic id section 9) for the 3-point calibration, choose the coefficients gain_1 , offset_1 and sot_1 by highlighting the coefficients in the upper middle section of the calibration window. the smaller graph above the coefficient list indicates the recommended pattern of three capacitive sensor readings at the same temperature. 10) for calibrations using a piece-wise correction, check ?piecewise correction? and set a break point in the ?break pt? field. for this example, no breakpoint is used, so leave the default value 100% as the setting. 11) click on ?initialize? in the asic id section (lower left corner). the ?ini tialize calibration? window appears (see figure 5.2 ). click ?browse? and sele ct the same default eeprom fil e as used in step 7) . click on ?initialize from file. ? figure 5.2 ? initialize calibration window (example for the zsc31210) 12) next start data collection. normally this would be done wi th a real capacitive sensor attached to the clite? on a remote board in a controlled chamber. instead, this dr y run calibration uses the c0 sensor replacement as the input. note: the minimum number of calibration points is equal to the number of coefficients to be calculated. the software allows the user to collect more than the requi red number of calibration points. the user can select which points are used for calculating the calibration coefficients via checking the ?cal? column. data points
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 20 of 28 that are not selected in the ?cal? column will be us ed for validation of the output error shown the ?error? column. a. on jumper k7 on the ssc evaluation board, shunt c0 to cc for a 3pf capacitance input (see figure 3.1 ). b. enter 10% in the ?sensor %? field. c. click on ?add new point.? the software obtains a raw reading from the part, graphs the new data point, and displays the values in the middle bottom section. d. remove the 3pf shunt on k7. shunt c0 to cc on the k8 jumper for a 6pf capacitance input. e. enter 50% in the ?sensor %? field. f. click on ?add new point? again. the software obtains a new raw reading from the part and graphs the new data point. g. add the 3pf shunt back onto k7 for a total of 9pf capacitance input. h. enter 90% in the ?sensor %? field. i. click on ?add new point? again. the software obtains a new raw reading from the part and graphs the new data point. 13) because this is a 3-point calibration, the software ha s all the necessary data for calculating and writing the coefficients. click on ?calculatecoe fficients,? which should now be active. 14) close the calibration window. click on ?start nom? an d then ?run? to display the digital output values in the lower display section. 6 verify calibration with pdm_c output in pdm mode, the clite? must be programmed in update mode. a simple first-order rc filter is provided on the ssc evaluation board for creating an anal og output by filtering the pdm signal (for more details refer to the datasheet section 3.7). the analog output voltage can be meas ured in two different ways supported by the ssc evaluation kit as described below. the calibration steps explained in section 5 are also valid for applications using the pdm_c output. 6.1 measuring the pdm_c output us ing the clite? softw are for this check, the 10-bit adc of the controller on the ssc cb reads the pdm_c voltage and displays the ratio of the measured output voltage to the supply voltage of the ssc cb (5v). in order to get an accurate reading, the vdd voltage on the ssc evaluation board must be known (the voltage can be adjusted via the blue potenti- ometer on the board). record the voltage into the vdd field in the main window of the clite? ssc evaluation software. follow the instructions in steps 1) through 12) of section 5, and then complete these additional steps. 12) change the output mode selection in the main menu to pdm_c. 13) enable pdm_c/pdm_t via the k3/k4 jumpers on the ssc evaluation board. 14) click on ?start nom? and then ?run? to displa y the output voltage in [%] of the supply voltage.
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 21 of 28 7 calculation of calibration coefficients off-line note this calculation is possible without connecting the kit boards to the pc. raw and target values can copied using the copy and paste function of any spreadsheet program. steps for the off-line calibration coefficient calculation: (1) start the clite ssc evaluation software . (2) click on ?calibrate.? the calibration window appears (see figure 5.1 ). (3) select the coefficients for the desired calibration me thod by highlighting the coefficients in the upper middle section of the calibration window. the smaller grap h above the coefficient list indicates the recommended pattern of capacitive sensor readings and temperature readings. (4) for calibrations using a piece-wise correction, check ?piecewise correction? and set a break point in the ?break pt? field. (5) click on ?initialize? in the asic id section (lower le ft corner). the ?initialize calibration? window appears (see figure 5.2 ). click ?browse? and select any xxx .eep file stored in the folder [ my documents ] \zmdi \clite ssc evaluation software. click on ?initialize from file.? note: this is a ?blind? initialization, because no part is connected. (6) start data collection. the target and raw values can be written/copied in the related fields. the numbers are [%] for the capacitance target and raw readings and [ ? c] for the temperature target and raw readings. a. click on ?add new point.? b. enter the first target capacitance reading [%] in the ?sensor? field and enter the raw value [%] in the ?raw? field. for calibration with temperature compensation, also add the chamber temperature in the ?temp? field temperature and raw readings in the ?rawt? fields. c. repeat a) and b) as needed until all calibration points are entered. note: see step 12) in section 5.1 for use of the ?cal? column shown in figure 7.1 . figure 7.1 fields for manually entering target and raw values target and raw values (e.g., copied from excel?) validation error in calibration point (re-calcu- lation with calculated coefficients; ignore errort without temperature calibration) enabled values are use d for calibration (7) check the ?valid? check box, and click on the ?calculate coefficients? button. the coefficients are stored in the calibrationlog.txt file.
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 22 of 28 (8) click ?view log? to open this file. for each calibration point, the error for the point is calculated in the same file. (9) the calibration information can be exported to microsoft excel? or to a csv file by clicking on the ?export? button. (use the drop-down arrow to switch between excel? and csv file) note instead of entering the raw and target values for the capacitance and temperature target and raw values, the user can transfer these values from an excel? file using the copy/paste feature. the number of rows in the excel? table must match the number of rows in the software. ensure that the excel? table includes only numbers in the correct format (category: number ). copying from formula results is not possible. 8 clite? ssc evaluation software with the zmdi ssc terminal 8.1 protocol the microcontroller (type atmega32) on the ssc comm unication board (ssc cb) enables communication with the ssc evaluation board/ clite? using the clite ssc evaluation software running on the pc. the standard l 2 c protocol is implemented in the microcontroller?s software. the usb_uart ic on the ssc cb transfers the signals from the microcontroller to the usb port of the pc. for more details, see the zsc31xxx_zssc3xxx_ commboard_ds_rev_*.pdf. 8.2 zmdi ssc terminal the zmdi ssc terminal is the lowest level of communi cation for transferring co mmands from the pc to the microcontroller on the ssc cb. a full summary and det ailed command description of the applicable controller commands are given in zsc31xxx_zssc3xxx _commandsyntax_rev_*.xls. install the ssc terminal v204.exe from the ssc cd-rom, which will create a zmdi ssc terminal icon on the pc desktop. click on this icon to activate the terminal program. for the clite tm communication mode, use the setting explained for i 2 c or spi. table 8.1 character order for zmdi ssc terminal character order 1 2 3 4,5 6,7,8 clite? i r or w t or _ comments read or write trigger power cycle or not slave address ) (28 hex default) number of bytes to read and write blank for read; data bytes to write examples i w t 28 003 500000 i r _ 28 002 note: if ?t? is sent for the 3 rd position (instead of ?_?), the clite? is powered off and then on. ?t? should be used only if power cycling is necessary for operation (ie ?start command mode?).
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 23 of 28 figure 8.1 below shows a communication example. write t he com mand in the input line and press enter on the keyboard or click on ?send.? figure 8.1 ssc terminal program sample v readout of ssc cb?s firmware version. t11002 switch on both supplies with 20ms delay between power on and first command. t_050 set timing for switch supp ly off to 50ms off before triggering the ssc. io_10 set communication speed to 100khz. so_201111 open spi interface with specific configuration ?? . iwt turn on the ssc board. iwt28003a00000 start command mode w/ power on using defined delay between power-on and communication start. prpd read port d (ready pin/ pdm_c). ir_28004 read 4 bytes (1 status byte and 3 data bytes). iw_28003000000 i2c send command 00 0000 to slave address 28 hex . read eeprom adr 00. prpd read port d (ready pin/ pdm_c). ir_28004 read 4 bytes. (1 status byte and 3 data bytes) note: the selected command sequence shows how the kit software is programmed. for an eeprom reading, a data fetch for 3 bytes (ir_28003) reads the status byte and the 2 byte eeprom contents. the ready pin high status indicates that new data at the digital interface are ready to fetch. input line ? enter command here and then click ?send.? ?? for more details, refer to zsc31xxx_zssc3xxx_commandsyntax_rev_*.xls
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 24 of 28 9 pin configuration and package ? tssop14 samples the zssc3122 and ZSSC3123 are available with production parts in the tssop-14 (4.40.1mm body wide with lead-pitch 0.65mm) package. the zsc31210 is available in this package for samples only. the zsc31210, zssc3122, and ZSSC3123 are pin compatible. see the notes in table 9.2 regarding connection requirements. table 9.1 storage and soldering condition storage and soldering tssop14 maximum storage temperature t max_storage less than 10hrs, before mounting 150 ?c minimum storage temperature: t min_storage at original packing only -55 ?c maximum dry bake temperature t drybake less than100hrs in summary, before mounting 125 ?c soldering peak temperature t peak less than 30s (ipc/jedec-std-020 standard) 260 ?c figure 9.1 zsc31210, zssc3122, and ZSSC3123 clite tm pin-out diagram ? tssop-14 1 14 2 13 3 12 4 11 5 10 6 9 7 8
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 25 of 28 table 9.2 zsc31210, zssc3122, and ZSSC3123 clite? pin assignments ? tssop-14 pin name description notes 1 vcore core voltage always connect to an external capacitor to gnd that is within t he specifications given in data sheet section 1.3 for c vcore_sm and c vcore_um . this is the only internal module pin. refer to section 8 for esd details. 2 c0 capacitor input 0 3 vss ground supply connecting to gnd for shielding is strongly recommended. 4 cc common capacitor input 5 vss ground supply connecting to gnd for shielding is strongly recommended. 6 c1 capacitor input 1 if not used, must be unconnected. 7 vdd supply voltage (2.3v to 5.5v for zsc31210) (1.8v to 5.5v for zssc3122 and ZSSC3123) must connect to vsupply. 8 alarm_low/ pdm_t low alarm output temperature pdm (see table 3.8) if not used, must be unconnected. 9 alarm_high high alarm output if not used, must be unconnected. 10 ready/ pdm_c ready signal (conversion complete output) capacitance pdm (see table 3.8) if not used, must be unconnected. 11 vss ground supply must connect to gnd. 12 sda/miso i 2 c data if in i 2 c mode master-in-slave-out if in spi mode (see table 3.8) if not used, must connect to vdd. 13 scl/sclk i 2 c clock if in i 2 c mode serial clock if in spi mode (see table 3.8) if not used, must connect to vdd. 14 ss slave select (input) if in spi mode (see table 3.8) if not used, must be unconnected.
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 26 of 28 10 related documents document file name zsc31210, zssc3122, and ZSSC3123 common documents zsc31xxx_zssc3xxx_communication board datasheet zsc31xxx_zssc3xxx_communicationboard_v3- 3_datasheet_rev_x_xx.pdf zsc31xxx_zssc3xxx_command syntax spreadsheet zsc31xxx_zssc3xxx_commandsyntax_rev_x.x.xls clite? kits feature sheet (includes ordering codes) clite_kits_feature_sheet_revx.x.pdf ssc communication board driver installation instructions ssc_an_communicationboard_driver_installa- tion_rev_x_x.pdf zsc31210-specific documents zsc31210 clite? data sheet zsc3 1210_clite_data_sheet_revx.x.pdf zsc31210 clite? revision b-es errata sheet zsc31210_clite_errata_ revb-es_revx.x.pdf zsc31210 clite? revision c-es errata sheet zsc31210_clite_errata_ revc-es_revx.x.pdf zssc3122-specific documents zssc31222 clite? data sheet zssc 3122_clite_data_sheet_revx.x.pdf zssc3122 clite? revision a-es errata sheet zssc3122_clite_errata_reva-es_revx.x.pdf ZSSC3123-specific documents ZSSC3123 clite? data sheet ZSSC3123_clite_data_sheet_revx.x.pdf ZSSC3123 clite? revision a-es errata sheet ZSSC3123_clite_errata_reva-es_revx.x.pdf visit zmdi?s website www.zmdi.com or contact your nearest sales office for the latest version of these documents. 11 definitions of acronyms term description adc analog-to-digital converter cm command mode nom normal operation mode ssc cb ssc communication board ssc sensor signal conditioner
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 27 of 28 12 document revision history revision date description 1.0 november 11, 2010 first release of document. 1.1 june 30, 2011 updates for new version of software. revision to add section 9 , which provides the pin assignments for the tssop-14 packa ge used for the zsc31210 samples (tssop-14 package is only available as samples with the evaluation kit; production parts are only available as die). revision to table 9.2 for the v core pin. revision to add the zssc3122 and ZSSC3123. sales and further information www.zmdi.com ssc@zmdi.com zentrum mikroelektronik dresden ag grenzstrasse 28 01109 dresden germany zmd america, inc. 8413 excelsior drive suite 200 madison, wi 53717 usa zentrum mikroelektronik dresden ag, japan office 2nd floor, shinbashi tokyu bldg. 4-21-3, shinbashi, minato-ku tokyo, 105-0004 japan zmd far east, ltd. 3f, no. 51, sec. 2, keelung road 11052 taipei taiwan phone +49 (0)351.8822.7.772 fax +49 (0)351.8822.87.772 phone +1 (608) 829-1987 fax +1 (631) 549-2882 phone +81.3.6895.7410 fax +81.3.6895.7301 phone +886 2 2377 8189 fax +886 2 2377 8199 disclaimer : this information applies to a product under development. its characteristics and specifications are subject to change without notice. zentrum mikroelektronik dresden ag (zmd ag) assumes no obligation regarding future manufacture unless otherwise agreed to in writing. the information furnished hereby is believed to be true and accurate. however, under no circumstances shall zmd ag be liable to any customer, licensee, or any other third party for any special, indirect, incident al, or consequential damages of any kind or nature whatsoever arising out of or in any way related to the furnishing, performance, or use of this technical data. zmd ag hereby expressly dis claims any liability of zmd ag to any customer, licensee or any other third party, and any such customer, licensee and any other third party hereby waives any liability of zmd ag for any dama ges in connection with or arising out of the furnishing, performance or use of this technical data, whether based on cont ract, warranty, tort (including negligence), strict liability, or otherwise.
zsc31210/zssc3122/ZSSC3123 clite? ssc modular evaluation kit description evaluation kit june 30, 2011 ? 2011 zentrum mikroelektronik dresden ag ? rev. 1.1 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. 28 of 28 appendix a: schematic clit e? ssc evaluation board
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