View BM20_8693116.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

p age 1 preliminary edition BM20/ bm 23 bluetooth ? 4.1 stereo audio module features: ? complete, fully certified, embedded 2.4 ghz bluetooth? version 4.1 module ? bluetooth classic (bdr/edr) ? bluetooth sig certifi ed ? onboard embed ded bluetooth st ack ? transparent uart mode for se amless se ri al data over uart interface ? easy to configure with windows gui or direct by mcu ? compact surface mount module: 29 x 15 x 2 .5 mm 3 ? ca stellat ed surf ac e mount pads fo r easy and reliable host pc b mounting ? environmentally friendly, rohs compliant ? pe rf ect for po r tabl e battery operated devices ? internal battery regulator circuitry ? worldwide regulatory certi fi cations ? audio-in / out bm23 support digital audio i 2 s format. BM20 support analog audio output. operational: ? operating voltage: 3.0v to 4.2 v ? temperature range: \ 2 0c to 70c ? simple, uart interface ? integrated crystal, internal volta ge regulator, and matching circuitry ? multiple i/o pi ns for control and status rf/anal og: ? frequency: 2.4 02 to 2.480 ghz ? rece iv e sensitivity: \ 91 dbm ( /4 dqpsk ) ? pow er output: class 2 / +4dbm max. ? connection distance: >10m (free space and no interference) audio processor ? support 64 kb/s a-law or ? -law pcm format, or cvsd (continuous variable slope delta modulation) for sco channel operation. ? noise suppression ? echo suppression ? sbc and optional aac decoding ? packet loss concealment ? build-in four languages (chinese/ english/ spanish/ french) voice prompts and 20 events for each one (this function can be set up in is20xxs_ ui tool .) ? support scms-t audio codec ? 20 bit dac and 16 bit adc codec ? 98db snr dac playback peripherals ? built-in lithium-ion battery charger (up to 350ma) ? integrate 3v, 1.8v configurable switching regulator and ldo ? built-in adc for battery monitor and voltage sense. ? a line-in port for external audio input ? t wo led drivers flexible hci interface ? high speed hci-uart (universal asynchronous receiver transmitter) interface (up to 921600bps ) mac/baseband/higher layer: ? secure aes128 encryption ? bluetooth profil es - hfp v1.6 - hsp v1.1 - a2dp v1.2 - avrcp v1.5 - spp v1.0 - pbap v1.0 antenna: ? printed antenna, peak gain=1.9 dbm (for specific carrier board) compliance: ? bluetooth sig qd id module certified for the united states (fcc) and canada (ic), korea (kcc), taiwan (ncc), japan (mic) and china (srrc) downloaded from: http:///
p age 2 preliminary edition figure 1: general descriptio n: stereo module is a fully-certified bluetooth? version 4.1 (bdr/edr) module for designers who want to add bluetooth? wireless audio and voice applications to their products. this bluetooth sig certified module provides a complete wireless solution with bluetooth stack, integrated antenna, and worldwide radio certifications in a compact surface mount package, 29x15x2.5 mm 3 . this stereo module built-in li-ion charger and bm23 contain a digital audio interface. it supports hsp, hfp, spp, a2dp, an d avrcp profiles. both aac and sbc codecs are supported for a2dp. note that the customer must connect their own external analog codec/dsp/amplifier and mcu for audio output. applications: ? bluetooth sound bar ? bluetooth stereo speaker phone downloaded from: http:///
stereo module p age 3 preliminary edition table of contents 1.0 device overview ........................................................................................................... 4 2.0 application information ....................................................................................... 10 3.0 electrical characteristics ................................................................................. 18 4.0 printed antenna information ............................................................................ 23 4.1 module radiation pattern .................................................................................. 23 4.2 module placement rule ...................................................................................... 24 5.0 reference circuit ...................................................................................................... 25 5.1 BM20 reference circuit .................................................................................... 25 5. 2 bm23 reference circuit ........................................................................................ 26 7.0 module outline and reflow profile .............................................................. 27 8.0 packaging and storage information ............................................................ 32 appendix a: certification notices .......................................................................... 35 abbreviations list: avrcp: audio video remote control profile a2dp: advanced audio distribution profile hsp: headset profile hfp: hands-free profile pbap: phone book access profile spp: serial port profile downloaded from: http:///
stereo module p age 4 preliminary edition 1.0 device overview t he stereo module series include BM20 and bm23. the chip integrates bl u etoot h 4. 1 ra di o transceiver, pmu and dsp. fi gur e 1-1 and 1 -2 shows th e application block diagram. figure 1 \ 1: BM20 typical application the following depicts an example of BM20 module operate as an independent system or connected to an mcu. figure 1 \ 2: bm23 typical application the following depicts an example of bm23 module connected to an mcu, external dsp/codec. mcu eeprom ic is2020s 16m hz crystal i2c uart BM20 option microphone aux_in audio output mcu eeprom ic is2023s 16m hz crystal i2c uart bm23 microphone aux_in dsp i2s downloaded from: http:///
stereo module p age 5 preliminary edition 1.1 interface description BM20 pi n diagram is shown in figure 1-3. th e pi n descriptions are shown in table 1-1 figure 1-3: BM20 pin diagram table 1 \ 1: BM20 pin description pin no. pin type name description 1 i/o p0_0 io pin, default pull-high input (note 1) 1. slide switch detector, active low. 2. uart tx_ind, active low. 2 i ean embedded rom/external flash enable h: embedded; l: external flash 3 i p3_0 io pin, default pull-high input (note 1) line-in detector (default), active low. 4 i p2_0 io pin, default pull-high input system configuration, h: application l: baseband(ibdk mode) 5 i/o p1_5 io pin, default pull-high input (note 1) 1. nfc detection pin, active low. 2. out_ind_0 3. slide switch detector, active low. 4. buzzer signal output 6 i/o p0_4 io pin, default pull-high input. (note 1) 1. nfc detection pin, active low. 2. out_ind_0 7 o spkr r-channel analog headphone output 8 o aohpm headphone common mode output/sense input. downloaded from: http:///
stereo module p age 6 preliminary edition pin no. pin type name description 9 o spkl l-channel analog headphone output 10 p vdda positive power supply/reference voltage for codec, no need to add power to this pin. 11 i mic1_p mic 1 mono differential analog positive input 12 i mic1_n mic 1 mono differential analog negative input 13 p mic_bias electric microphone biasing voltage 14 i air r-channel single-ended analog inputs 15 i ail l-channel single-ended analog inputs 16 i rst system reset pin, low: reset 17 p vcc_rf 1.28v rf ldo output, no need to add power to this pin. 18 i/o p0_1 io pin, default pull-high input (note 1) 1. fwd key when class 2 rf (default), active low. 2. class1 tx control signal of external rf t/r switch, active high. 19 p vdd_io power output , no need to add power to this pin 20 p adap_in 5v power adaptor input 21 p bat_in 3.0v~4.2v li-ion battery input 22 - nc no connection 23 p gnd ground pin 24 p sys_pwr system power output bat mode: 3.0~4.2v adapter mode: 4.0v 25 p bk_out 1.8v buck output, no need to add power to this pin 26 i mfb 1. power key when in off mode 2. uart_rx_ind: mcu use to wakeup bt (note 1) 27 i led1 led driver 1 28 i led2 led driver 2 29 i p2_4 io pin, default pull-high input system configuration, l: boot mode with p2_0 low combination 30 i p0_2 io pin, default pull-high input (note 1) play/pause key (default), active low. 31 i/o p0_3 io pin, default pull-high input (note 1) 1. rev key (default), active low. 2. buzzer signal output 3. out_ind_1 4. class1 rx control signal of external rf t/r switch, active high. 32 o hci_txd hci-uart tx data 33 i hci_rxd hci-uart rx data 34 i p0_5 io pin, default pull-high input (note 1) volume down (default), active low. 35 i p2_7 io pin, default pull-high input (note 1) volume up key (default), active low. downloaded from: http:///
stereo module p age 7 preliminary edition pin no. pin type name description 36 i p2_4 io pin, default pull-high input system configuration, l: boot mode with p2_0 low combination 37 p gnd ground pin 38 - nc no connection 39 - nc no connection 40 - nc no connection * i: signal input pin * o: signal output pin * i/o: signal input/output pin * p: power pin note 1: these button or functions can be setup by is20xxs_ ui tool. downloaded from: http:///
stereo module p age 8 preliminary edition bm23 pi n diagram is shown in figure 1-4. th e pi n descriptions are shown in table 1-2 figure 1-4: bm23 pin diagram table 1 \ 2: bm23 pin description pin no. pin ty pe name description 1 i/o p0_0 io pin, default pull-high input (note 1) uart tx_ind 2 i/o rfs0 i 2 s interface: dac left/right clock 3 i/o tfs0 i 2 s interface: adc left/right clock 4 i/o slk0 i 2 s interface: bit clock 5 i dr0 i 2 s interface: dac digital left/right data 6 o dt0 i 2 s interface: adc digital left/right data 7 i/o p0_4 io pin, default pull-high input 8 i ean embedded rom/external flash enable high: rom mode; low: external flash mode 9 i mic1_p mic 1 mono differential analog positive input 10 i mic1_n mic 1 mono differential analog negative input 11 p mic_bias power output, microphone biasing voltage 12 p vdda power output, reserve for external cap to fine tune audio frequency response, no need to add power to this pin 13 i air stereo analog line in, r-channel 14 i ail stereo analog line in, l-channel downloaded from: http:///
stereo module p age 9 preliminary edition pin no. i/o name description 15 p gnd ground 16 i rst_n system reset pin, active when rising edge. 17 -- nc -- 18 -- nc -- 19 p vddio power output, vddio pin, no need to add power to this pin 20 i/o p1_5 io pin, default pull-high input 21 i/o p0_1 io pin, default pull-high input 22 p adap_in 5v power adaptor input 23 p bat_in 3.3~4.2v li-ion battery input 24 -- nc -- 25 p sys_pwr system power output bat mode: 3.3~4.2v adapter mode: 4.0v 26 p bk_out power output, 1v8 pin, no need to add power to this pin 27 p mfb 1. power key when in off mode 2. uart_rx_ind: mcu use to wakeup bt 28 p led1 led driver 1, 4ma max 29 p led2 led driver 2, 4ma max 30 i p2_4 io pin, default pull-high input system configuration, l: boot mode with p2_0 low combination 31 i/o p0_2 io pin, default pull-high input 32 i/o p0_3 io pin, default pull-high input 33 o hci_txd hci-uart tx data 34 i hci_rxd hci-uart rx data 35 i/o p0_5 io pin, default pull-high input 36 i/o p2_7 io pin, default pull-high input 37 i/o p2_0 io pin, default pull-high input 38 i/o p3_0 io pin, default pull-high input 39 i p2_0 io pin, default pull-high input system configuration, h: application l: baseband(ibdk mode) 40 p gnd ground. 41 -- nc -- 42 -- nc -- 43 -- nc -- * i: signal input pin * o: signal output pin * i/o: signal input/output pin * p: power pin note 1: these button or functions can be setup by is20xxs_ ui tool. downloaded from: http:///
stereo module p age 10 preliminary edition 2.0 application information 2.1 operation with external mcu stereo module support uart command set to make an external mcu to control module. here is the connection interface between bm xx and mcu. figure 2-1: interface between mcu and bm xx module mcu can control module by uart interface and wakeup module by pwr pin. stereo module provide wakeup mcu function by connect to p0_0 pin of module. uart command set document provide all function which module support and ui tool will help you to set up your system support uart command. for more detail description, please reference uart command user guide document and appropriate configuration tools. b m xx hci_txd hci_rxd mfb p0_0 m c u uart_tx uart_rx mcu_ wakeup bt_ wakeup uart interface uart interface downloaded from: http:///
stereo module p age 11 preliminary edition here are some suggestions of uart control signal timing sequence: figure 2-2 : power on /o ff sequence downloaded from: http:///
stereo module p age 12 preliminary edition figure 2-3 : timing sequence of rx indication after power on figure 2-4 : timing sequence of power off downloaded from: http:///
stereo module p age 13 preliminary edition figure 2-5: timing sequence of power on (nack) downloaded from: http:///
stereo module p age 14 preliminary edition figure 2-6 : reset timing sequence if module hangs up figure 2-7 : timing sequence of power drop protection bat_in +4v rst_n from reset ic if bts bat use adaptor translates voltage by ldo, we recommend use reset ic to avoid power off suddenly. rest ic spec output pin must be open drain delay time Q 10ms recommend part: tcm809svnb713 or g691l263t73 power 2.9v ~ downloaded from: http:///
stereo module p age 15 preliminary edition 2.2 i 2 s signal application for bm23 bm 23 support i 2 s digital audio signal interface to connect your external codec/dsp. it provide 8k hz, 44.1k hz and 48k hz sampling rate; it also support 16 bits and 24bits data format . the i 2 s setting can be set up by ui and dsp tools. . the external codec/dsp needs to be connected to slk0, rfs0, tfs0, dr0, and dt0 (pins 4, 2, 3, 5, and 6 respectively). the i 2 s signal connection between bm 23 and external dsp as below: figu re 2-9 : master mode reference connection figu re 2- 10 : slave mode reference connection note 1: for 002 version chip or module, system should connect line 1 in slave mode figure. and, system not support adc signal from external dsp/codec. note 2: for other version chip or module, system should connect li ne 2 in slave mode figure. about mast er or slave mode setting, you can use dsp configuration tool to set up system. b m 2 3 rfs0 tfs0 dr0 sclk0 daclrc bclk adcdat dacdat dt0 e x t e r n a l d s p / c o d e c b m 2 3 rfs0 tfs0 dr0 sclk0 daclrc bclk adcdat dacdat dt0 e x t e r n a l d s p / c o d e c ( * 1 ) ( * 2 ) downloaded from: http:///
stereo module p age 16 preliminary edition the clock and data timing as below: figu re 2- 11 : timing for i 2 s modes (both master and slave) figu re 2- 12 : timing for pcm modes (both master and slave) 2.3 reset (rst_ n) rst is module reset pin which is active low. to reset the module, the rst_n must hol d low for at least 63ns. 2.4 status led (led1, led2 ) th e status le d provide below status indication: ? standby ? inquiry ? link ? link back ? low battery ? page ? battery charging each status indication led flashing sequence and brightness is configurable by ui tool . b n-1 rfsn/tfsn sclkn drn/dtn b n-2 b 1 b 0 b n-1 b n-2 b 1 b 0 left channel right channel 1/fs word length b n-1 rfs0/tfs0 sclk0 dr0/dt0 b n-2 b 1 b 0 b n-1 b n-2 b 1 b 0 left channel 1/fs word length right channel downloaded from: http:///
stereo module p age 17 preliminary edition 2.5 external configuration stereo module can be configured and firmware programmed using an external configuration and programming tool available from microchip. figure 2 \ 7 shows the configuration and firmware programming interface on bm23. it is recommended to include a pin header on the main pcb for development. configuration and firmware programming modes are entered accordingly to the system configuration i/o pins as shown in table 2-1. pin p2 _0, p2 _4 and ean pin have internal pu ll \ up . figure 2- 13 : external programming header connections ( here is the interface connect example of the bm23) table 2-1: system configuration settings p2 _0 p2 _4 ean operational mode high high high app mode (normal ope ration) low high high test mode (write eeprom) low low high write flash (firmware pr ogramming if flash build-in in chip) downloaded from: http:///
stereo module p age 18 preliminary edition 3.0 electrical characteristics table 3-1: absolute maximum specification symbol parameter min max unit bat_in input voltage for battery 0 4.3 v ad ap_in input voltage for adaptor 0 7. 0 v t store storage temperature - 65 + 150 oc t operation operation temperature - 20 +70 oc table 3-2: recommended operating condition symbol parameter min typical max unit bat_in input voltage for battery 3 3.7 4.2 v adap_in input voltage for adaptor 4.5 5 5.5 v t operation operation temperature - 20 +25 +70 oc note: absolute and recommended operating condition tables reflect typical usage for device. table 3-3: i/o and reset l evel pa r am eter min. typ. max. un its i/o su ppl y voltage (vdd_io) 2.7 3.0 3.3 v i/o vo ltage levels v il in pu t logic levels low \ 0.3 0.8 v v ih input logic levels high 2.0 3.6 v v ol output logic le ve ls low 0.4 v v oh output lo gi c le ve ls h ig h 2.4 v reset v th,res threshold voltage 1.6 v note: (1) vdd_io voltage is programmable by eeprom parameters. (2) these parameters are characterized but not tested in manufactu ring. downloaded from: http:///
stereo module p age 19 preliminary edition table 3 - 4: battery charger parameter min typical max unit adap_in input voltage 4.5 5.0 5.5 v supply current to charger only 3 4.5 ma maximum battery fast charge current note: enx2=0 headroom > 0.7v (adap_in=5v) 170 200 240 ma headroom = 0.3v (adap_in=4.5v) 160 180 240 ma maximum battery fast charge current note: enx2=1 headroom > 0.7v (adap_in=5v) 330 350 420 ma headroom = 0.3v (adap_in=4.5v) 180 220 270 ma trickle charge voltage threshold 3 v battery charge termination current, (% of fast charge current) 10 % note: (1) headroom = v adap_in C v bat (2) enx2 is not allowed to be enabled when v adap_in C v bat > 2v (3) these parameters are characterized but not tested in manuf acturing. table 3-5: led driver parameter min typical max unit open-drain voltage 3.6 v programmable current range 0 5.25 ma intensity control 16 step current step 0.35 ma power down open-drain current 1 a shutdown current 1 a note: (1) test condition: sar_vdd=1.8v, temperature=25 oc. (2) these parameters are characterized but not tested in manuf acturing. downloaded from: http:///
stereo module p age 20 preliminary edition table 3-6 : audio codec analogue to digital converter t= 25 o c, v dd =3.0v, 1khz sine wave input, bandwidth = 20 hz ~20khz parameter (condition) min. typ. max. unit resolution 16 bits output sample rate 8 48 khz signal to noise ratio note: 1 (snr @mic or line-in mode) 88 db digital gain - 54 4.85 db digital gain resolution 2~6 db mic boost gain 20 db analog gain 60 db analog gain resolution 2.0 db input full-scale at maximum gain (differential) 4 mv rms input full-scale at minimum gain (differential) 800 mv rms 3db bandwidth 20 khz microphone mode (input impedance) 24 k thd+n (microphone input) @30mvrms input 0.02 % note: (1) f in =1khz, b/w=20~20khz, a-weighted, thd+n < 1%, 150mv pp input (2) these parameters are characterized but not tested in manufac turing. downloaded from: http:///
stereo module p age 21 preliminary edition table 3-7: audio codec digital to analogue converter t= 25 o c, v dd =3.0v, 1khz sine wave input, bandwidth = 20 hz ~20khz parameter (condition) min. typ. max. unit over-sampling rate 128 f s resolution 16 20 bits output sample rate 8 48 khz signal to noise ratio note: 1 (snr @cap-less mode) for 48khz 96 db signal to noise ratio note: 1 (snr @single-end mode) for 48khz 98 db digital gain - 54 4.85 db digital gain resolution 2~6 db analog gain - 28 3 db analog gain resolution 1 db output voltage full-scale swing (avdd=2.8v) 495 742.5 mv rms maximum output power ( 16 load) 34.5 mw maximum output power ( 32 load) 17.2 mw allowed load resistive 8 16 o.c. capacitive 500 pf thd+n ( 16 load) 0.05 % signal to noise ratio (snr @ 16 load) 96 db note: (1) f in =1khz, b/w=20~20khz, a- weighted, thd+n < 0.01%, 0dbfs signal, load=100k (2) these parameters are characterized but not tested in manuf acturing. table 3-8 : transmitter section for bdr and edr parameter min type max bluetooth specification unit maximum rf transmit power (BM20) 2 -6 to 4 dbm maximum rf transmit power (bm23) 2 -6 to 4 dbm edr/bdr relative transmit power -4 -1.2 1 -4 to 1 db note: the rf transmit power is calibrated during production using mp too l software and mt8852 bluetooth test equipment. test condition: vcc_rf= 1.28v, temperature=25 oc. downloaded from: http:///
stereo module p age 22 preliminary edition table 3-9: receiver section for bdr and edr modulation min type max bluetooth specification unit sensitivity at 0.1% ber gfsk - 90 - 70 dbm sensitivity at 0. 01% ber /4 dqpsk -91 - 70 dbm 8dpsk - 82 - 70 dbm note: (1) test condition: vcc_rf= 1.28v, temperature=25 oc. (2) these parameters are characterized but not tested in manuf acturing. table 3- 10 : system current consumption of analog audio output system status type max. unit system off mode 2 5 ua standby mode 0.8 ma linked mode 0.4 ma sco link 7.8 ma a2dp link (v p-p =200mv; 1k tone signal) 10.7 ma note: use BM20 evb as test platform. test condition: bat_in= 3.8v, link with htc eye cell phone; distance betwe en cell phone and evb: 30cm. table 3- 11 : system current consumption of digital audio output (i 2 s) system status type max. unit system off mode 2 5 ua standby mode 0. 4 ma linked mode 0.4 ma sco link 9.3 ma a2dp link (1k tone signal) 11. 7 ma note: use bm23 evb as test platform test condition: bat_in= 3.8v, link with htc m8 cell phone; distance between cell phone and evb: 30cm; i 2 s signal link with yamaha yda174 evb downloaded from: http:///
stereo module p age 23 preliminary edition 4.0 printed antenna information 4.1 module radiation pattern th e stereo modu le contains a pcb printed antenna. th e pcb printed antenna radiation pattern is shown in figu re 4-2. figu re 4-1: antenna keep o ut area examples figure 4-2: antenna 3d radiation pattern @2441 mhz downloaded from: http:///
stereo module p age 24 preliminary edition 4.2 module placement rule on the main pcb, th e areas un der th e a nt enna sho ul d not contain any top, inner laye r, or bottom copper as shown in figure 4 \ 1. a low \ im pedan ce gr oun d pl ane will ensure the best radio performa nc e (best range, lowe st noise). the ground pl an e ca n be exte nde d be yond t he mini mu m recommended as need for the main pcb em c noise reduction. for the best range performa nc e, ke ep all external me t al away fr om the ceramic chip antenna at least 15 mm. here are some examples of good and poor placement on a carrier board with gnd plane. figu re 4-3: module placement examples figu re 4-4: gnd plane on main application board s y s t e m g n d p l a n e w o r s e c a s e p o o r c a s e g o o d c a s e a c c e p t a b l e c a s e downloaded from: http:///
stereo module p age 25 preliminary edition mic1 board name size title rev date: sheet of p/n main circuit 1.1 BM20 reference circuit b 1 1 thursday , april 16, 2015 xxxx 5f, no.5, industry e. rd. vii, hsinchu science park, hsinchu city 30078, taiwan tel. 886-3-5778385 amp_en jp2 jp 1x8 1 2 3 4 5 6 7 8 rst_n hci_txd hci_rxd tx_ind audio amp enable p0_0 mfb uart_txd uart control (by mcu) uart_rxd reset_n mfb/rx_ind bat_in c19 10u/16v jp5 jp 1x2 1 2 li batteryconnector bat_in jp3 jp 1x8 1 2 3 4 5 6 7 8 reserve for bluetooth debug hci_txd hci_rxd ean p2_4 p2_0 sw1 sw-tact 1 2 3 4 mfb hci_txd hci_rxd ean p2_0 p2_4 pcb1 BM20 ant1 38 ant2 39 ant3 40 p0_0 1 ean 2 p3_0 3 p2_0 4 p1_5 5 p0_4 6 spkr 7 aohpm 8 spkl 9 vdda 10 mic1_p 11 mic1_n 12 mic_bias 13 air 14 gnd 23 nc 22 bat_in 21 adap_in 20 vdd_io 19 p0_1 18 vcc_rf 17 rst 16 ail 15 gnd 37 p2_4 36 p2_7 35 p0_5 34 hci_rxd 33 hci_txd 32 p0_3 31 p0_2 30 p2_4 29 led2 28 led1 27 mfb 26 bk_out 25 sy s_pwr 24 5v mfb sy s_pwr r1 1k/1% 1 2 5v vdd_io c26 1u/10v p0_0 q4 sts2306 3 1 2 r10 100k 1 2 r12 100k 1 2 r13 10k 1 2 slide switch circuit sy s_pwr slide_sw g d s q3 sts2301 1 3 2 mfb on sw8 sw-1bit 1 2 resetbutton sw2 sw-tact 1 2 3 4 dp1 dp-4 2 1 rst_n c3 1u/16v 5v q1 mmbt3904 3 2 1 r22k 1 2 c93 np-0603 c92 np-0603 5v c18 10u/16v line_r p3_0 lineinput line_l p2 tsh-3865d 4 3 2 10 1 c15 0.1u/16v r70 1 2 r60 1 2 r5 np-0603 r8 np-0603 c17 1u/16v c16 1u/16v ail air vbus d-d+ id gnd p3 usbm3121-051-1-bn-r 1 2 3 4 5 6 7 8 9 p0_3 vol+ fwd p0_1 c8 15p/50v sw5 sw-tact 1 2 3 4 c12 15p/50v p2_7 sw7 sw-tact 1 2 3 4 aohpm p0_2 c4 15p/50v play/pause spkr sw3 sw-tact 1 2 3 4 vol- rev spkl p7 pj-2001-5k 1 2 3 4 5 c7 15p/50v sw4 sw-tact 1 2 3 4 c11 15p/50v stereojack p0_5 sw6 sw-tact 1 2 3 4 led2 led1 led1 led-b 1 2 led2 led-hr 1 2 sy s_pwr backup plug-in reset circuit jp6 jp 1x1 1 nfc c9 1u/16v mic_bias mic_n1 mic_p1 aohpm amp_en p3_0 air p0_0 spkl spkr p0_1 rst_n ail vdd_io bat_in mic_bias c13 2.2u/6.3v r31k 1 2 r75 1k 1 2 c72 2.2u/6.3v mic_p1 mic_n1 p0_5 c10 1u/16v r42k 1 2 mfb p2_4 p2_7 c14 1u/16v sy s_pwr p0_2 led2 led1 p1 pj-2001-5k 1 2 3 4 5 p0_3 5.0 reference circuit 5.1 BM20 reference circuit downloaded from: http:///
stereo module p age 26 preliminary edition slk0 dr0 adap_in c20 0.1u/16v dt0 ean p0_0 system configuration line in detection p2_0 p2_4 pwr/mfb/uart_rx_ind system configuration system configuration p3_0 gpio description mfb receive frame synchronization transmit frame synchronization bat_in p0_4 serial clock p1 pj-3894d-s125 2 3 4 1 ail air d2 spe0572 2 1 stereo aux line input *p30 low activeline in detect serial data receive d1 spe0572 2 1 d3 spe0572 2 1 bat_in p3_0 c8 470p/50v c12 470p/50v c11 0.1u/16v c9 10u/16v c10 10u/16v r910k 1 2 r12 10k 1 2 r10 1k 1 2 r11 1k 1 2 serial data transmit adap_in amp_en jp2 jp 1x8 1 2 3 4 5 6 7 8 hci_txd hci_rxd c17 1u/16v dr0 slk0 r2 33 1 2 tfs0 rfs0 dt0 rst_n c18 1u/16v mic_bias mic_n1 mic_p1 rfs0 dp1 dp-4 2 1 p0_0 c5 10u/16v codec_vo audio amp enable p2 dc-jack 1 2 3 i2s interface mic_n1 mic_p1 p0_4 c1 2.2u/6.3v r7 1k 1 2 r6 1k 1 2 c2 2.2u/6.3v c4 220p/50v r8 2k 1 2 mic_bias battery connector mfb jp3 jp 1x8 1 2 3 4 5 6 7 8 p0_0 dc power source c16 0.1u/16v uart_tx_ind(flash) tp1 tp-4 1 led tx_ind c3 0.047u/25v tp3 tp-4 1 c7 4.7u/10v mic_bias c6 0.047u/25v jp1 jp 1x8 1 2 3 4 5 6 7 8 mic input sy s_pwr rst_n adap_in r3 33 1 2 r1 33 1 2 r5 33 1 2 r4 33 1 2 mfb/rx_ind reset_n jp4 sjp 1x2 2 1 3 4 uart_rxd uart control (by mcu) pcb1 fp-bm23 p0_0 1 rfs0 2 tfs0 3 slk0 4 dr0 5 dt0 6 p0_4 7 ean 8 mic1_p 9 mic1_n 10 mic_bias 11 vdda 12 air 13 ail 14 gnd 15 sys_pwr 25 amb_det 24 bat_in 23 adap_in 22 p0_1 21 p1_5 20 vdd_io 19 nc 18 nc 17 rst 16 gnd 40 p2_0 39 p3_0 38 p2_0 37 p2_7 36 p0_5 35 hci_rxd 34 hci_txd 33 p0_3 32 p0_2 31 p2_4 30 led2 29 led1 28 mfb 27 bk_out 26 mfb p2_0 p3_0 hci_txd hci_rxd p2_4 led2 led1 tp2 tp-4 1 bat_in reserve for bluetooth debug led2 c13 0.1u/16v red blue led1 led-b 1 2 led2 led-hr 1 2 sy s_pwr board name size title rev date: sheet of p/n reference circuit of bm23 1.0 reference circuit of bm23 b 2 2 friday , march 13, 2015 xxxx 5f, no.5, industry e. rd. vii, hsinchu science park, hsinchu city 30078, taiwan tel. 886-3-5778385 led1 uart_txd ean p2_0 p2_4 hci_rxd ean p0_4 hci_txd tp4 tp-4 1 audio amp enable(rom) air ail tfs0 5.2 bm23 reference circuit downloaded from: http:///
stereo module p age 27 preliminary edition 7.0 module outline and reflow profile 7.1 module dimension and pcb f oot print figure 7-1: BM20 outline dimension pcb dimension: x : 15.0 mm y : 29.0 mm tolerances: 0.25 mm downloaded from: http:///
stereo module p age 28 preliminary edition figu re 7-2 : bm23 outline dimension pcb dimension: x : 15.0 mm y : 29.0 mm tolerances: 0.25 mm downloaded from: http:///
stereo module p age 29 preliminary edition figure 7-3 : BM20 pcb foot print note: the keep out area is reserved for rf performance check. downloaded from: http:///
stereo module p age 30 preliminary edition figure 7-4 : bm23 pcb foot print note: the keep out area is reserved for rf performance check. downloaded from: http:///
stereo module p age 31 preliminary edition 7. 2 reflow profile figu re 7-5: reflow profile soldering recommendations stereo modu le was assembled using standard le ad \f r ee reflow profile ipc/jedec j \ st d\. th e module can be soldered to th e main pcb using st andard le a de d and lead \free solder reflow profiles. to avoid da ma ging of th e module, th e recommendations a re listed as follows: ? refer to micr oc hi p technology application note an233 solder reflow recommendation (ds00233) for the soldering reflow recommendations ? do not exceed peak temperature (t p ) of 250 de gree c ? refer to the so ld er paste da ta sheet for specific reflow profile recommendations ? use no \ clean flux solder paste ? do not wash as moisture can be trapped un de r th e shield ? use only one flow. if th e p cb requires multi pl e flow s, apply the module on the final flow. slope: 1~2 /sec max. (217 to peak) ramp down rate : max. 3 /sec. preheat: 150~200 25 217 peak: 260 +5/-0 60 ~ 180 sec. 60 ~150sec 20~40 sec. time (sec) downloaded from: http:///
stereo module p age 32 preliminary edition 8.0 packaging and storage information the module is packaged into trays (see following page) of sixty three (63 ) modules in a 7 x 9 format. these trays are then sealed into bags. ten sealed bags are then placed in a box of 630 pieces with a dimension of 36 * 16 * 9.5 cm 3 . the shelf life of each module in a sealed bag is 12 months at <40c and <90% relative humidit y. after a bag is opened, devices that will be subjected to reflow solder or othe r high temperature processes must be mounted within 168 hours (7 days) at factory conditions of <30c and <60% rela tive humidity. downloaded from: http:///
stereo module p age 33 preliminary edition downloaded from: http:///
stereo module p age 34 preliminary edition 8.1 ordering information table 5-1: module ordering information part number description BM20spks1nbc bluetooth 4.1 bdr/edr, class 2 surface mount module with integrated antenna and shield bm23spks1nb9 bluetooth 4.1 bdr/edr, class 2 surface mount module with integrated antenna and shield note : the module can only be purchased through a microchip representative. go to http://www.microchip.com/ for current pricing and a list of distributors carrying microchip products. downloaded from: http:///
stereo module p age 35 preliminary edition appendix a: certification notices bm 20 module (BM20spks1nbc) has received the regulatory approval for the fol lowing: ? bt sig/qdid: 58996 ? united states: fcc id: a8tBM20spkxynbz ? canada o ic id: 12246a-BM20spks1 o hvin: BM20spks1 ? europe/ce ? japan/mic: 202-smd048 ? korea/kcc: msip- crm -mcp-BM20spks1nbc ? taiwan/ncc no.: ccan15lp0460t2 ? china/srrc: cmiit id: 2015dj7134 bm 23 module (bm23spks1nb9) has received the regulatory approval for the follow ing: ? bt sig/qdid: 58996 ? united states/ fcc id: a8tbm23spkxyc2a ? canada o ic id: 12246a -bm23spkxyc2 o hvin: bm23spkxy ? europe/ce ? japan/mic: 202-smc067 ? korea/kcc: msip- crm -s9s-bm23spkxy ? taiwan o ncc no.: ccal15lp0270t3 o m/n: bm23spk ? china/srrc: cmiit id: 2016 dj 3553 a.1 regulatory approval this section outlines the regulatory information for the BM20/bm23 module f or the following countries: ? united states ? canada ? europe ? japan ? korea ? taiwan ? china ? other regulatory jurisdictions a.1.1 united states the BM20/bm 23 module has received federal communications commission (fcc) cfr47 telecommunications, part 15 subpart c "intentional radiat ors" modular approval in accordance with part 15.212 modular transmitter approval. modular approval allows the end user to integrate the bm 20 /bm 23 module into a finished product without obtaining subsequent and separate fcc approvals for intentional radiation, prov ided no changes or modifications are made to the module circuitry. changes or mo difications could void the downloaded from: http:///
stereo module p age 36 preliminary edition user's authority to operate the equipment. the end user must co mply with all of th e instructions provided by th e grantee, which indicate installation and / or operating conditions necessary for compliance. th e finished product is required to comply with all applicab le fcc equip me nt authorizations regulations, requireme nt s and equi pm ent functions not associated with the tr ansmitter modu le portion. for example, compliance must be demonstrated to regulations for other transmitter compone nt s within t he host produ ct ; to requirements for unintentional radiators (p ar t 15 subpart b unintentional radiators), such as digital devices, computer peripherals, radio receivers, etc.; and to additional authorization requireme nt s for th e no n \ tr ansmitter functions on the transmitter module (i .e ., verification, or declaration of conformity) (e.g., transmitter modules may also contain digit al logic functions) as appropriate. a.1.1 labeling and user information requirements th e BM20/bm23 module has been label ed wi th its own fcc id number, and if th e fcc id is not visible when th e module is installed inside another devic e, then t he outside of the finished product into which t he module is in stalled must also display a la b el referring to the enclos ed module. th is exterior la be l can use wording as follows: for BM20 module: contains tr ansmitter modul e fcc id: a8tBM20spkxynbz or contains fcc id: a8tBM20spkxynbz this dev ice complies with part 15 of t he fcc rules. operation is subject to the following tw o conditions: (1) this dev ice may not cause harmful interference, and (2) thi s device must accept any interference received, including interfere nc e that may ca use undesired operation for bm23 module: contains tr ansmitter modul e fcc id: a8tbm23spkxyc2a or contains fcc id: a8tbm23spkxyc2a this dev ice complies with part 15 of t he fcc rules. operation is subject to the following tw o conditions: (1) this dev ice may not cause harmful interference, and (2) thi s device must accept any interference received, including interfere nc e that may ca use undesired operation a users ma nu al for t he finished product should include the followi ng statement: downloaded from: http:///
stereo module p age 37 preliminary edition this equipment has be en tes t ed and fo un d to co mp ly with t he limits for a class b digital device, pur su ant to part 15 of th e fcc ru les. these limits are designed to provide reasonable protection against harmful interfer enc e in a residential installation. this equi p me nt generates, uses and ca n radiate radio frequency ener g y, and if not installed and us ed in accordance with t he instructions, may cause harmful interference to radio co mmunications. however, th e re is no guarantee th at interference will not occur in a particular installation. if thi s equ i pm ent does cause harmful interference to ra di o or television reception, which ca n be determined by tu rning th e equipment off and on, the user is encouraged to tr y to correct the interference by one or more of t he following me asures: ? reorient or relocate th e receiving ant e nna. ? increase th e separation between the equipm en t and receiver. ? connect t he equi p me nt into an outlet on a circuit different from that to which th e receiver is connected. ? consult t he dealer or an experienced radio/tv te ch nician for help. additional in formation on labeling and user information requireme nt s for part 15 devices ca n be found in kdb publication 784748 available at the fcc office of engineering and te chnology (oe t) laboratory division knowledge database (kdb) http://apps.fcc.gov/oetcf/kdb/index.cfm . a.1.2 rf exposure all transmi tt ers regulated by fcc mu st comply with rf e xp os u re requirements. kdb 447498 general rf exposure guidance provides guidance in determining whether pro posed or ex isting transmitting facilities, operations or devices comp ly with limits for human exposu re to ra dio freque nc y (rf) fields adopted by the federal co mm unications commission (fcc). from t he fcc grant: o ut put power listed is conduct ed . this grant is valid only when th e module is sold to oem integrators and mu st be installed by t he oem or oem in te g ra tors. this transmi tte r is restricted for use with the sp ecific antenna (s ) tested in this application for certification and must not be c o\ located or operating in conjunction with any other ante nn a or transmitters within a host device, except in accordance with fcc mu lt i\ transmitter product procedures. a.1.3 he lp f ul we b sites federal communications commission (fcc): http://www.fcc.gov fcc office of engineering and te chnology (oe t) laboratory division knowledge database (kd b ): http://apps.fcc.gov/oetcf/kdb/in de x.cfm downloaded from: http:///
stereo module p age 38 preliminary edition a.2 canada the bm 20/ bm 23 module has been certified for use in canada under industry canada (ic) rad io standards specification (rss) rss-247 and rss-gen. modular approv al permits the installation of a module in a host device without the need to recertify the devi ce. a.2.1 labeling and user inf ormation requirements labeling requirements for the host device (from section 3.1, rss-gen, issue 4, november 20 14): the host device shall be properly labeled to identify the module within the host device. the industry canada certification label of a module shall be clearly vi sible at all times when installed in the host device, otherwise the host device must be labeled to displ ay the industry canada certification number of the module, preceded by the words "contains transmitter m odule", or the word "contains", or similar wording expressing the same meaning, as fol lows: for BM20 module: contains transmitter module ic: 12246a-BM20spks1 for bm23 module: contains transmitter module ic: 12246a-bm23spkxyc2 user manual notice for license-exempt radio apparatus (from section 8.4, rss-gen, issue 4, november 2014): user manuals for license-exempt radio appara tus shall contain the following or equivalent notice in a conspicuous location in the user manual or alternatively on the device or both: this deice coplies ith idustr caada licese\eept rss stadards. operatio is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. le prsent appareil est conforme aux cnr d'industrie canada applicables aux appareils radio exempts de licence. l'exploitation est autorise aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible d'en compromettre le fonctionnement. transmitter a nt enna (from section 7.1.2 rs s \ gen, is sue 3, december 2010): user manuals for transmitters shall display the following notice in a conspicuous location: downloaded from: http:///
stereo module p age 39 preliminary edition under industry canada regulations, this radio transmitter may only operat e using an ante nn a of a type and maxim um ( or lesser) gain approved for t he transmitter by industry canada. to red uc e potential radio interference to other users, the antenna type and it s gain should be so chosen that t he equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful co mm unicatio n. conformme nt la rgl em entation d'industrie can ada, le prsent m e tt e ur radio peut fonctionner av ec une a nt en ne d 'u n type et d 'u n gain maximal ( ou infrieur) approuv pour l'metteur par industrie canada. dans le bu t de rduire les ri sques de brouillage radiolectrique l'intention de s autres utilisateurs, il faut choisir le ty pe d'antenne et son gain de sorte que la puissance is otrope rayonne quivalente (p.i.r .e .) ne dpasse pas l'intensit ncessaire l'tablissement d'une communication satisfaisante. th e above notice may be affixed to the device instead of displayed in t he user manual. a.2.2 rf expo su re all transmi tt ers regulated by ic must comply with rf exposure requirements li sted in rs s \ \ radio freque nc y (rf) exposure compliance of radio communication apparatus (all frequency bands). a.2.3 we b sites industry canada: http://www.ic. gc .ca/ a.3 europe th e BM20/bm23 mod u le is an r&tte directive assessed radio module that is ce mark ed and has been manufactured and tes t ed with th e intention of being integrat ed i nt o a final product. th e bm 20/bm 23 module has been tes t ed to r&t te directive 1999/5/ec essential requirements for health and safety ( ar tic le (3.1 (a )), el ectromagnetic compatibility (e mc) (arti cl e 3. 1(b )) , and ra dio (a rticle 3.2) and are summarized in table a \ 1/table a-2: eu ro pean compliance testing . a notified body op inion has also been issued. th e r& tte compliance association pr ovides gu idance on modular devices in document technical guidance note 01 available at http://www.rtteca.com/html/download_area.htm . note: to ma intain co nforman ce to th e testing li sted in t ab le a \1 / table a-2: eu r op ean compliance testing , the module shall be installed in accordance with t he installation instructions in th is data sheet and shall not be modified. when i nt egrating a radio module into a comple te d product the i nt eg ra t or becomes th e manufacturerof th e final product and is therefore responsible for demonstrating compliance of th e final product with th e essential requirements of t he r&t te directive. a.3.1 labeling and user information requirements downloaded from: http:///
stereo module p age 40 preliminary edition th e la be l on the final product which contains the bm 20/bm 23 modu le must follow ce marking requirements. th e r& tte compliance association technical gui da n ce note 01 provides gui da nc e on final product ce marking. a.3.2 antenna requirements from r& tt e compliance association document technical guidance note 01 : provided th e integrator in stalling an assessed radio module with an integral or specific ante nna and installed in conformance with th e ra di o module aufacturers installation instructions requires no further evaluation under article 3.2 of t he r& tt e directive and do es not require further involvement of an r&t te directive notified body for th e final produ ct . [secti on 2.2.4] th e european compliance testing listed in table a \1 and table a-2 was perform ed using th e i nt eg ral pcb antenna. table a \ 1: europe an co mpliance testing (BM20) certification standar ds article labo ratory r epo rt nu m ber safety en 60950-1:2006 / a11:2009 / a1:2010 / a12:2011 / a2:2013 (3.1(a )) tuv rheinland, taiwan 10050720 002 health en 300 328 v1.9.1 / en 62479:2010 10050932 002 emc en 301 489-1 v1.9.2 (3.1(b )) 10050691 002 en 301 489-17 v2.2.1 radio en 300 328 v1.9.1 (3.2) 10050932 002 notified body opinion 10048933 001 table a \ 2: europe an co mpliance testing (bm23) certification standar ds article labo ratory r epo rt nu m ber safety en 60950-1:2006 / a11:2009 / a1:2010 / a12:2011 (3.1(a )) tuv rheinland, taiwan 10047732 001 health en 300 328 v1.9.1 / en 62479:2010 10048076 001 & 10048076 002 emc en 301 489-1 v1.9.2 (3.1(b )) 10047659 001 en 301 489-17 v2.2.1 radio en 300 328 v1.9.1 (3.2) 10048076 001 & 10048076 002 notified body opinion 10048934 001 a.3.3 he lp f ul we b sites a doc u me nt that ca n be used as a starting point in understanding th e use of short range devices (srd) in europe is the european radio communications committee (erc) recommendation 70 -03 e, which can be downloaded from th e european radio downloaded from: http:///
stereo module p age 41 preliminary edition communications office (ero) at: http://www.ero.dk/ . additional helpful web sites are: ? radio and te lecommunications termin al equipm en t (r&tte): http://ec.europa.eu/enterprise/rtte/index_en.htm ? european conference of p os t al and te lecomm un ications administrations (ce pt ): http://www.cept.org ? european te lecommunications standards institute (etsi): http://www.etsi.org ? european ra di o communications office (ero): http://www.ero.dk ? th e radio and te lecommunications te rminal equipm en t compliance association (r&tte ca): http://www.rtteca.com/ a.4 japan th e BM20/bm23 modu le has receiv ed type certification and is labeled with its own technical conformity mark and certification nu mber as requi re d to conform to th e te chni ca l standards regulated by t he ministry of internal affairs and communications (mic) of ja pa n pursuant to the radio ac t of japan. integration of this module into a final product does not require additional radio certification provided installation instructions are followed and no modifications of th e mo dul e are allowed. addition al testing may be required: ? if t he host product is subj ec t to electrical appliance safety (f or ex ample, powered from an ac mains), th e host product may require product safety el ec tr ic al appliance and material (ps e) testing. the i nt eg ra t or shou ld contact their conformance laboratory to determine if this testing is require d. ? there is an voluntary electromagnetic compatibility (e mc) test for th e host product administered by vcci: http://www.vcci.jp/vcci_e/index.html a.4.1 labeling and user information requirements th e la be l on the final product which contains the BM20/bm23 modu le must follow japan marking requireme nt s. t he integrator of th e module should refer to th e labeling requirements for japan available at the ministry of internal af fairs and communications (mic) website. th e BM20/bm23 mo dul e is label ed with its o wn technical conformity mark and certification number. the final product in which this modu le is being used mu st ha ve a label referring to th e type certified module inside: downloaded from: http:///
stereo module p age 42 preliminary edition for BM20 module: contains transmitter modu le with certificate nu mber: for bm23 module: contains transmitter modu le with certificate nu mber: a.4.2 he lp f ul we b sites ministry of internal affairs and communications (mic): http://www.tele.soumu.go.jp/e/index.htm association of radio i ndu stries and businesses (a ri b): http://www.arib.or.jp/english/ a.5 korea the BM20/ bm23 mo du le has receiv ed certification of conformity in accordance with th e radio waves act. integration of this module into a final product does not require additional radio certification provided in stallation instructions are followed and no modifications of th e module are allowed. a.5.1 labeling and user information requirements the la bel on the final product which co ntains the BM20/ bm23 mo du le must follow kc marking requirements. the i nt egrat or of th e mo du le should re f er to th e labeling requir em ents for korea available on the korea communicati ons commission ( kcc) website. the bm 20/ bm 23 module is la bel ed with its o wn kc mark. the final pr oduct requires th e kc mark and certificate number of th e module: for BM20 module: msip- crm -mcp-BM20spks1nbc downloaded from: http:///
stereo module p age 43 preliminary edition for bm23 module: a.5.2 he lp f ul we b sites korea communications commission (kcc): http://www.kcc.go.kr national radio research a ge nc y (rra): http://rra.go.kr a.6 taiwan the bm 20/bm 23 mo du le has receiv ed compliance approval in accordance with the telecommunications a ct . customers seeking to use the compliance approval in their product should contact microchip technology sales or distribution partners to obtain a lett er of authority. integration of this module into a final product does no t require additional radio certification provided installation instructions are followed and no modifications of the module are allowed. a.6.1 labeling and user information requirements the bm 20/bm 23 module is la bel ed with its o wn ncc mark and certificate numb er as below: for BM20 module: for bm23 module: th e users m anual should contain below warning (f or rf device) in traditional chinese: ? ! ???Ck ?l ?JC??l?C?S? ? ????l????O? ? ? ??l l?C???w??_??? lF?_Fr ??Ko?_r^m? ?????? ? I?o l?C? ? ???I?Wt?? ?CO??_ ccan15lp0460t2 ccal15lp0270t3 msip- crm -s9s-bm23spkxy downloaded from: http:///
stereo module p age 44 preliminary edition a.6.2 he lp f ul we b sites national communications commission (ncc): http://www.ncc.gov. tw a. 7 china the BM20/bm23 module has received certification of conformity in accordance with the china miit notice 2014-01 of state radio regulation committee (srrc) certifi cation scheme. integration of this module into a final product does not require additional rad io certification, provided installation instructions are followed and no modifications of the module are allowed. a. 7.1 labeling and user information requirements the BM20 module is labeled with its own cmiit id as follows: the bm23 module is labeled with its own cmiit id as follows: when host system is using an approved full modular approval (fma) radio: the host should bear a label containing the statement this device contains srrc approved radio module cmiit id xxxxyyzzzz. a. 8 other regulatory jurisdictions should other regulatory jurisdiction certification be required by the customer, or the customer need s to recertify the module for other reasons, contact microchip for the required utilities and documentations. cmiit id: 2015dj7134 cmiit id: 2016 dj 3553 downloaded from: http:///
worldwide sales and service americas corporate office 2355 west chandler blvd. chandler, az 85224 -6 199 te l: 480 - 792 - 7200 fax: 480 - 792 -72 77 technical support: http://www.microchip.com/ support w eb ad dress: ww w.microchip.com atlanta duluth, ga te l: 678 - 957 - 9614 fax: 678 - 957 -14 55 au stin, tx te l: 512 - 257 - 3370 bo ston westborough, ma te l: 774 - 760 - 0087 fax: 774 - 760 -00 88 chicago itasca, il te l: 630 - 285 - 0071 fax: 630 - 285 -00 75 cleveland independence, oh te l: 216 - 447 - 0464 fax: 216 - 447 -06 43 dallas addison, tx te l: 972 - 818 - 7423 fax: 972 - 818 -29 24 detroit novi, mi te l: 248 - 848 - 4000 ho us ton, tx te l: 281 - 894 - 5983 in dianapolis noblesville, in te l: 317 - 773 - 8323 fax: 317 - 773 -54 53 l os an ge les mission viejo, ca te l: 949 - 462 - 9523 fax: 949 - 462 -96 08 new york, ny te l: 631 - 435 - 6000 san jose, ca te l: 408 - 735 -91 10 ca na da - toron to te l: 905 - 673 - 0699 fax: 905 - 673 -65 09 asia/pacific asia pacific office suites 37 07- 14, 37 th floor tower 6, the gateway harbour city, kowloon hong ko ng tel: 85 2-2943-5100 fax: 852 - 2401 -3431 australia - sy dn ey tel: 61 -2-98 68 -6733 fax: 61 -2- 986 8- 6755 china - beijing tel: 86 - 10 -8569-7000 fax: 86 - 10 - 85 28-2104 ch in a - cheng du tel: 86 - 28 -8 665 - 55 11 fax: 86 - 28 - 86 65-7889 ch in a - ch o ng qing tel: 86 - 23 -8980-9588 fax: 86 - 23 - 89 80-9500 ch in a - hangzh ou tel: 86 - 571 - 8792 -81 15 fax: 86 - 571 -87 92 -8116 ch in a - ho ng kong sar tel: 85 2-2943-5100 fax: 852 - 2401 -3431 china - nanjing tel: 86 - 25 -8473-2460 fax: 86 - 25 - 84 73-2470 c hi na - q in gdao tel: 86 -532-8502- 73 55 fax: 86 - 532 -85 02 - 7205 ch in a - sh an ghai tel: 86 - 21 -5407-5533 fax: 86 - 21 - 54 07-5066 ch in a - shenya ng tel: 86 - 24 -2334-2829 fax: 86 - 24 - 23 34-2393 china - shenzhen tel: 86 - 755 - 8864 - 22 00 fax: 86 - 755 -82 03 - 1760 ch in a - wuhan tel: 86 - 27 -5980-5300 fax: 86 - 27 - 59 80-51 18 ch in a - xi an tel: 86 - 29 -8833-7252 fax: 86 - 29 - 88 33-7256 ch in a - xiamen tel: 86 - 592 - 2388138 fax: 86 - 592 -2388130 ch in a - zh uhai t el : 86- 75 6-3 210 0 40 fax: 86 - 75 6- 321 0049 as i a/ pacific in d ia - bangalore tel: 91- 80 -3090- 44 44 fax: 91 - 80 -30 90 -4123 in d ia - n ew delhi tel: 91-11-4160-86 31 fax: 91 -11-4160- 86 32 in d ia - pu ne tel: 91- 20 -3019- 15 00 ja p an - osaka tel: 81-6-6 152 -7160 fax: 81 -6- 61 52- 9310 ja p an - tokyo tel: 81-3-6 880 - 37 70 fax: 81 -3- 68 80- 3771 korea - da egu tel: 82- 53 - 744 -4301 fax: 82 - 53 -744- 4302 korea - se oul tel: 82-2-5 54 -7200 fax: 82 -2- 55 8-5932 or 82 -2- 558 - 5934 malaysia - ku al a lump ur tel: 60-3-6 201 -9857 fax: 60 -3- 62 01- 9859 malaysia - pena ng tel: 60-4-2 27 -8870 fax: 60 -4- 22 7- 4068 philip pi n es - manila tel: 63-2-6 34 -9065 fax: 63 -2- 63 4- 9069 singapore tel: 65-6334-8870 fax: 65 - 6334 -8850 taiwan - hsin c hu tel: 886-3-5778-366 fax: 886 -3-57 70 - 955 taiwan - kaohsiung tel: 886-7- 213 -7830 taiwan - ta ip ei tel: 886-2-2508- 86 00 fax: 886 -2-25 08 -0102 thaila nd - bangkok tel: 66-2-6 94 -1351 fax: 66 -2- 69 4- 1350 europe austria - wels tel: 43-7242-2244- 39 fax: 43 -7242-2244-393 de nmark - co pe nhagen tel: 45-4450-2828 fax: 45 -4485-2829 france - paris tel: 33-1-69- 53 - 63 - 20 fax: 33 -1-69- 30 -90- 79 germany - dusseldo rf tel: 49-2129-3766400 germany - munich tel: 49- 89 -627- 14 4-0 fax: 49 - 89 -6 27 -144- 44 germa ny - pf or zheim tel: 49-7231-424750 it al y - milan tel: 39- 0331 -742611 fax: 39 -0331-466781 it al y - veni ce tel: 39-049-7625286 netherlands - drunen tel: 31- 416 -690399 fax: 31 -416-690340 poland - warsaw tel: 48- 22 -3325737 spain - madrid tel: 34- 91 -708- 08 - 90 fax: 34 - 91 -7 08 - 08 - 91 sweden - stockholm tel: 46-8-5090- 46 54 uk - wokingham tel: 44-1 18 -921-5800 fax: 44 -1 18 - 921 -58 20 p age 46 ?? 201 5 microchip technolo gy inc. downloaded from: http:///

▲Up To Search▲

Price & Availability of BM20

	To Download BM20 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .