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c 126 bc126 BC127 bluecreation, st johns innovation centre, cowley r oad, cambridge cb4 0ws, united kingdom 1 bluecreation fully certified bluetooth version 4.0 audio module key specifications bluetooth certified 4.0 audio module dual mode: bluetooth and bluetooth low energy (ble) backwards compatible with 1.1, 2.0, 2.1 + edr and 3.0 embedded bluetooth protocol stack supports hfp, a2dp, avrcp, pbap and spp supports iap1/iap2 profiles for connection to ios d evices and apps simple uart and gpio interface for command and cont rol can connect to external codecs with i2s, pcm, spdif interface small form factor (11.8mm x 18mm x 3.2mm) block diagram applications wireless speakers, docks and headsets smart-phone audio systems automotive infotainment systems medical devices high quality audio streaming gaming accessories and mp3 players analog/usb media dongles description bc126 is a highly flexible, low power, small form factor bluetooth version 4.0 certified audio module . it comes preloaded with bluecreation melody software, and is ideal for developers who want to quickly and cost effectively integrate bluetooth functionality into their products. free datasheet http:///
c 126 bc126 BC127 bluecreation, st johns innovation centre, cowley r oad, cambridge cb4 0ws, united kingdom 2 bluecreation general specifications specifications description bluetooth standard bluetooth 4.0 class 2 interfaces uart, aio, gpio, usb, spi, audio in, mic in, pcm, i2c size 11.8mm x 18mm x 3.2mm weight 1.1g rf specifications specifications description frequency band 2,402 mhz to 2,480 mhz modulation 8 dpsk, pi/4 dqpsk, gfsk maximum data rate 3mbps (typical 1.6mbps) operating range up to 30m rf sensitivity 0.1% ber at - 88dbm transmit power +4dbm audio specifications specifications description dac resolution 16 bits dac output sample rate 8 kh z to 90 kh z dac snr 96db stereo separation (cross talk) - 87.7db rf sensitivity 0.1% ber at - 88dbm transmit power +4dbm electrical specifications specifications description supply voltage 1.8v to 3.7 v dc typical current 20ma (music streaming) typical current idle <5ma (connectable) operating temperature - 40 c to 85 c
c 126 bc126 BC127 bluecreation, st johns innovation centre, cowley r oad, cambridge cb4 0ws, united kingdom 3 bluecreation module footprint
c 126 bc126 BC127 bluecreation, st johns innovation centre, cowley r oad, cambridge cb4 0ws, united kingdom 4 bluecreation placement considerations
c 126 bc126 BC127 bluecreation, st johns innovation centre, cowley r oad, cambridge cb4 0ws, united kingdom 5 bluecreation pin description no. pin name pin type pin description 1 gnd gnd common ground 2 gnd gnd common ground 3 gnd gnd common ground 4 gnd gnd common ground 5 pio _ 6 bi - directional programmable input/output line 6 pio _ 7 bi - directional programmable input/output line 7 cap_sense_1 analog input capacitive touch sense input 8 cap_sense _4 analog input capacitive touch sense input 9 cap_sense _3 analog input capacitive touch sense input 10 cap_sense _2 analog input capacitive touch sense input 11 gnd gnd common ground 12 aio _1 bi - directional analog programmable input/output line 13 spkr_ln a udio output speaker output negative, left 14 spkr_lp a udio output speaker output positive, left 15 spkr_rn audio output speaker output negative, right 16 spkr_rp audio output speaker output positive, right 17 mic_bias_a analog input microphone bias 18 mic_rn analog input microphone input negative, right 19 mic_rp analog input microphone input positive, right 20 mic_ln analog input microphone input negative, left 21 mic_lp analog input microphone input positive, left 22 gnd gnd common ground 23 pio_ 0 bi - directional programmable input/output line 24 pio _ 1 bi - directional programmable input/output line 25 pio 5 bi - directional programmable input/output line 26 pio_ 4 bi - directional programmable input/output line 27 gnd gnd common ground 28 vregen analogue take high to enable switch - mode regulator 29 chg_ext charger input external battery charger control 30 vchg charger input battery charger input
c 126 bc126 BC127 bluecreation, st johns innovation centre, cowley r oad, cambridge cb4 0ws, united kingdom 6 bluecreation no. pin name pin type pin description 31 vbat_sense battery sense battery charger sense 32 vbat battery terminal +ve battery positive 33 vdd_pads supply positive supply input 3 4 3v3_usb supply positive supply input 3 5 usb_n bi - directional usb data negative 3 6 usb_p bi - directional usb data positive 3 7 led_0 open drain output led driver 3 8 led_ 1 open drain output led driver 39 led_ 2 open drain output led driver 40 uart_cts bi - directional uart clear to send 4 1 uart_tx bi - directional uart tx data 4 2 uart_rx bi - directional uart rx data 4 3 uart_rts bi - directional uart request to send ,active low 4 4 rst# reset input reset if low for more than 5ms 4 5 spi_pcm# input select pcm/spi 4 6 pcm_sync bi - directional synchronous data sync 4 7 pcm_clk bi - directional synchronous data clock 4 8 pcm_out cmos output synchronous data output 49 pcm_in cmos input, synchronous data input 50 pio_ 2 bi - directional programmable input/output line 5 1 pio_ 3 bi - directional programmable input/output line notes: pio_x can be customized according to functionality. pio_x are bidirectional with weak pull down reset input is with strong pull-up usb data positive is with selectable internal 1.5k pull up resistor uart are bidirectional with weak pull up pcm_out, in, sync and clk can be used as spi_miso, mosi, csb and clk respectively. spi-pcm# high switches spi/pcm lines to spi, low switches to pcm/pio use.
c 126 bc126 BC127 bluecreation, st johns innovation centre, cowley r oad, cambridge cb4 0ws, united kingdom 7 bluecreation solder reflow profile preheat temperature: 150c for 100 seconds temperature: 220c for 40 seconds. single pass ordering information part number: bc126-a01-mel40 order number description bc126 - a01 - mel40 class2 dual mode bluetooth version 4.0 module with integrated chip antenna BC127 - a01 - mel40 class2 dual mode bluetooth version 4.0 module with integrated antenna and connection to ios devices bc126 - devkit - 001 d evelopment kit for the bc126 module BC127 - devkit - 001 development kit for the BC127 module general notes bluecreation's products are not authorised for use in life-support or safety-critical applications. us e in such applications is done at the sole discretion of the customer. bluecreation will not warrant the us e of its devices in such applications. while every care has been taken to ensure the accur acy of the contents of this document, bluecreation cannot accept responsibility for any err ors. bluecreation reserves the right to make modifications, corrections and any other changes to its products at any time. customers should obtain the latest information before placing orders . bluecreation, other products, services and names us ed in this document may have been trademarked by their respective owners. the publication of this information does not imply that any license is granted under any patent or other rights owned by bl uecreation. refer to www.blue-creation.com for more information. bluecreation is a trading na me for cambridge executive limited.
c 126 bc126 BC127 bluecreation, st johns innovation centre, cowley r oad, cambridge cb4 0ws, united kingdom 8 bluecreation
c 126 bc126 BC127 bluecreation, st johns innovation centre, cowley r oad, cambridge cb4 0ws, united kingdom 9 bluecreation
c 126 bc126 BC127 bluecreation, st johns innovation centre, cowley r oad, cambridge cb4 0ws, united kingdom 10 bluecreation
1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 d d c c b b a a 150m a h 3 .7 v l i + ce l l +v e 1 -v e 2 5 3 3 9 8 -0 2 7 1 mo l ex farn el l 1 1 2 -5 3 6 6 bt 1 v ba t bcx 5 1 q 1 v bu s v ba t 4 0 0 mr r1 v d d _ pa d s 2 3 1 sw 6 b l u e l d 3 g r e e n l d 1 r e d l d 2 5 6 0 r r4 5 6 0 r r3 5 6 0 r r2 6 5 1 0 4 2 8 9 3 1 7 j 3 pio (0 ) pio (1 ) pio (2 ) pio (3 ) pio (4 ) pio (5 ) pio (0 ) pio (1 ) pio (2 ) pio (3 ) pio (4 ) pio (5 ) u sb_ p spi_ pcm# v re g e n spi_ pcm# 1 0 0 n c1 pcm_ sy n c pcm_ in a io (1 ) 1 0 0 n c2 7 j 2 v d d _ pa d s 1 0 n c2 6 fd v 3 0 1 n s d g q 4 pio (3 ) 1 0 k t h 1 9 k 0 9 r2 8 ma x 9 7 2 2 a e t e l in p 1 5 c1 p 2 sv ss 1 1 pa d 1 7 pv ss 5 rin p 7 pg n d 3 pv d d 1 sh d n 1 6 sv d d 1 3 sv d d 9 sg n d 6 l o u t 1 2 rin n 8 c1 n 4 l in n 1 4 ro u t 1 0 + - - + u 7 3 0 k r3 5 3 0 k r2 0 4 7 p c1 6 4 7 p c2 8 1 2 k r2 4 1 2 k r2 5 1 2 k r3 1 1 2 k r2 9 3 0 k r2 7 3 0 k r2 1 4 7 p c1 7 4 7 p c2 3 3 .5 mm st ereo j ack - sch u rt er 3 4 2 1 co n 4 a g n d 1 u c2 2 1 u c2 4 a g n d 2 3 1 sw 8 v ba t v bu s v bu s/ v ba t v bu s/ v ba t r e d l d 5 1 k 5 r2 3 1 0 0 n c2 5 1 u c2 1 1 u c1 9 1 u c1 8 a g n d a u d io _ o u t _ r a u d io _ o u t _ l v bu s/ v ba t a g n d a g n d 0 r r1 5 0 r r1 6 ca p_ se n se (1 ) ca p_ se n se (2 ) ca p_ se n se (3 ) ca p_ se n se (4 ) u a rt _ t x u a rt _ rx battery an d battery on switch su p p ly selectio n battery tem p eratu re sen so r en ab les g n d 5 id 4 d + 3 d - 2 v bu s 1 g n d 6 g n d 7 u s b m i n i - b co n 1 u sb_ v bu s 2 u 2 c2 5 6 0 r r5 r e d l d 4 u sb_ n u sb_ p usb po wer an d data in p u t 1 3 2 4 sw 3 v d d _ pa d s 1 0 k r7 rst # reset circu it vdd_ pads gen eratio n x c6 2 0 4 b3 3 2 mr g n d 2 ce 3 v in 1 v o u t 5 u 4 x c6 2 0 4 b1 8 2 mr g n d 2 ce 3 v in 1 v o u t 5 u 3 v bu s/ v ba t v bu s/ v ba t 1 v 8 3 v 3 1 0 0 n f c9 1 u f c1 0 1 0 0 n f c1 2 1 u f c1 3 v d d _ pa d s 2 3 1 sw 5 1 u f c1 1 u a rt _ ct s u a rt _ t x u a rt _ rx u a rt _ rt s pcm_ sy n c pcm_ cl k pcm_ o u t pcm_ in spi_ pcm# 2 3 1 sw 2 pio header n c 3 n c 4 scl 6 n c 5 sd a 2 g n d 1 rst 7 v c c 8 n c 9 u 5 mfi3 3 7 s3 9 5 9 ap p le co -pro cesso r v 2 .0 c 2 k 2 r1 9 2 k 2 r1 8 1 0 0 k r2 2 1 0 0 k r1 7 1 0 0 k r1 4 v d d _ pa d s fd v 3 0 1 n s d g q 3 g s d n d s3 3 2 p q 2 v d d _ pa d s a io (1 ) pio (6 ) pio (7 ) v re g e n rst # u a rt _ ct s u a rt _ rt s u sb_ n pcm_ o u t pcm_ cl k pio (6 ) pio (7 ) v bu s/ v ba t 1 0 0 k r6 1 1 0 0 n c1 4 st a r sp3 1 3 2 4 sw 1 1 v d d _ pa d s 1 3 2 4 sw 1 2 1 3 2 4 sw 1 3 1 3 2 4 sw 1 4 1 3 2 4 sw 1 5 2 k 2 r6 2 2 k 2 r6 3 2 k 2 r6 4 2 k 2 r6 5 2 k 2 r6 6 pio (0 ) pio (1 ) pio (2 ) pio (4 ) pio (5 ) pio pu sh bu tto n s j 5 blue creation BC127 applications schematic www.blue-creation.com au d io ou t v bu s/ v ba t 1 3 2 4 sw 7 v d d _ pa d s 1 0 k r6 7 v ba t j 6 pio (3 ) j 1 pio (2 ) j 7 t s e n ai o( 1) t emp sens e vb at i meas vpads r e se t spi /pc m # on/off c o- pr o r st c o - p r o e n vb us ba t 5 4 c d 1 v bu s u sb_ v bu s u a rt _ v bu s 1503 06 1 2 3 r-mic 1 5 n h l 1 1 5 n h l 2 1 5 n h l 6 1 5 n h l 7 1 5 p f c8 1 5 p f c3 st a r sp1 st a r sp2 4 2 6 3 1 5 j 8 l i n k 3 -1 , 4 -2 fo r mic i n p u t s l i n k 3 -5 , 4 -6 fo r l in e i n p u t s 2 k 2 r9 2 k 2 r1 0 mic_ g n d 1 mic_ g n d 2 mic_ l p mic_ l n mic_ rn mic_ rp 1503 06 1 2 3 l -mic usb po wer an d data in p u t g n d 1 g n d 2 g n d 3 g n d 4 pio (6 ) 5 pio (7 ) 6 ca p_ se n se (1 ) 7 ca p_ se n se (4 ) 8 ca p_ se n se (3 ) 9 ca p_ se n se (2 ) 1 0 g n d 1 1 a io (1 ) 1 2 s p k r _ l n 1 3 s p k r _ l p 1 4 s p k r _ r n 1 5 s p k r _ r p 1 6 m i c _ b i a s _ a 1 7 m i c _ r n 1 8 m i c _ r p 1 9 m i c _ l n 2 0 m i c _ l p 2 1 g n d 2 2 pio (0 ) 2 3 pio (1 ) 2 4 pio (2 ) 5 0 pio (4 ) 2 6 g n d 2 7 v re g e n 2 8 c h g _ e x t 2 9 v c h g 3 0 v b a t _ s e n s e 3 1 v b a t 3 2 v d d _ p a d s 3 3 3 v 3 _ u s b 3 4 u sb_ n 3 5 u sb_ p 3 6 l e d (0 ) 3 7 l e d (1 ) 3 8 l e d (2 ) 3 9 u a rt _ ct s 4 0 u a rt _ t x 4 1 u a rt _ rx 4 2 u a rt _ rt s 4 3 rst # 4 4 spi_ pcm# 4 5 pcm_ sy n c 4 6 pcm_ cl k 4 7 pcm_ o u t 4 8 pcm_ in 4 9 pio (5 ) 2 5 pio (3 ) 5 1 bc1 2 7 l g a 5 1 mo d u l e u 1 bc1 2 7 l g a 5 1 mo d u l e r1 = 4 0 0 mr 5 0 0 ma fas t ch arg e 2 2 0 mr r6 4 u 7 f c4 st ab i l i t y ci rcu i t fo r h i g h e sr b at t eri es

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