amp?e d rf, inc. ( phone) 408 21 3- 9 530 ( fa x ) 408 213- 9 533 product specification description the bt -120/ 121 i s a serial adapt er that provides fully embed ded, ready to use bluetooth wireless tech nol ogy. the r e pr o g r a mmab l e fl as h memo r y c o n t a i ns emb e d d ed fi r m wa re for seri al cab l e re pla c em e n t usi ng th e bluetooth sp p profile. other popular bluetooth pr ofiles , s u ch as obex, are als o available. cu stomized firmware fo r perip he ra l de vice intera cti on, power optimizatio n, se curity, and other p r op ri etary feature s may be sup porte d an d can b e ord e r ed p r e-l oad e d and configu r ed. additional documentation ? bt-21 data s h eet ? abserial use r guide ? abserial re ferenc e guid e features ? bluetooth radio ? fu l l y e m be d ded bl u e t oo th v2 . 0 se ri al pro f i l e ? class 2 ra dio ? compl e t e rf read y mo dul e ? wireless data communic a tions ? i n t egrat ed c h ip ant enn a ? 128- bit encr y pt ion sec u rit y ? ran ge u p t o 30m los ? f cc & bluet o o t h qual if ie d ? st micro arm microproc essor up to 50mhz ? memor y ? 256k b y t e s f l a s h memor y ? 64k by tes ra m memor y ? dat a ra te ? 2m bps ma xim u m dat a rat e ? multip oint cap a b ilit y ? serial interfa ce ? uart , up t o 9 21k ba ud ? user in terfac e ? at command s e t ?2008 a m p? ed r f i n c 1722 rin g wood a v e, suite 250, san jose, ca 95131, usa b t - 120/121 datas h eet www.a m pedrf . co m page 1 of 6
amp?e d rf, inc. ( phone) 408 21 3- 9 530 ( fa x ) 408 213- 9 533 software architecture lo w e r lay e r stack upper l a y e r stack ? f u ll blu e t oot h v2. 0 dat a rat e ( 3 m bps ma xim u m) ? spp, obex , sdap, gap, and dun pr otoco l s ? device po w e r modes? a ct ive , sleep an d de ep sle ep ? rf comm, sdp, and l2c ap supp ort ed ? wake on blu e t oot h f eat ur e? opt imiz ed po wer consum pt io n of host cpu ? aut hent ic at io n and e n cr ypt i on hci inte rfa c e ? encr ypt i o n ke y lengt h f r om 8- bit s t o 128-b i t s maximum ? bluet o ot h v2. 0 specif ic at ion c o mpli ant ? persist ent f l a s h memor y ?f or bd address and ra dio para m et er st orage ? hci uart t r an sport la yer (h 4 ) ? f i rm w a re up gr ade ov er uar t ? all acl (as y nc hron ous co nn ect i on l e ss) pa cket t y pes (dm 1 , dh1, dm3, dh3, dm 5, dh5, 2-dh 1 , 2-dh3, 2-dh 5, 3-dh1 3- dh 3, 3- dh5, au x1) ? sco (s y n c h ro nous c o n nect i on orient e d ) p a cket t y p e s (h v1, hv2, hv3) ? point t o mult ip oint an d scat t e rnet supp ort ? 3 mast er and 7 slave links al lo w e d ( 10 act i ve l i nks simult a neo usl y ) applica tions arm7 cpu events commands flash memor y upper la yer st ack hci hci st ack lm baseband rf ? park, sniff, and hold modes?f ull y supported to maximum all o w e d interva l s ? mast er slave s w it c h ?su pport ed dur ing c onn ect i on a nd p o st conn ect i o n ? dedic a t ed i n qu ir y access c o d e ?f or improv e d inq u ir y scan perf o rma n ce ? d y namic pack e t select io n?c han nel qua lit y drive n dat a rat e t o opt imiz e link p e rf ormanc e ? d y namic po w e r cont rol?i n t e r f erence re duct i on an d li nk perf o rma n ce ? bluet o o t h t e st modes? per bl uet oot h v 2 . 0 specif ic at ion ? 802. 1 1b co- e xi st ence?awma and af h ? vend or spec if ic hci comman d s?t o supp ort devic e conf i gur at ion and cert if ic at io n t e st modes ?2008 a m p? ed r f i n c 1722 rin g wood a v e, suite 250, san jose, ca 95131, usa b t - 120/121 datas h eet www.a m pedrf . co m page 2 of 6
amp?e d rf, inc. ( phone) 408 21 3- 9 530 ( fa x ) 408 213- 9 533 serial interface at commands t he abserial i n t e rf ace supp ort s at st y l e c o mmands, w h ich can be iss u e d f r om a host pc or cont rol l er t o cont rol t h e bt -121 adapt o r . f o r more informat io n on o u r at command set , please ref e r t o t he abser ial ref e renc e guide. ?2008 a m p? ed r f i n c 1722 rin g wood a v e, suite 250, san jose, ca 95131, usa b t - 120/121 datas h eet www.a m pedrf . co m page 3 of 6
amp?e d rf, inc. ( phone) 408 21 3- 9 530 ( fa x ) 408 213- 9 533 hardware sw i t c h e s the followi ng are pin a ssi g n ments fo r the swit che s on the back of the bt-12 0 /12 1 adapte r s: 1. flow control pin: on for n o flow co ntrol , off for ct s/rts flow control. 2. not assigne d 3. programmin g pin: on for normal mo de, off to run b oot load er. 4. not assigne d po w e r jac k our ad apte r s use a p o wer sup p ly, 5-9 vdc, with a 1. 3mm jack. conn ector t y pes the bt-1 20 a dapter h a s a f e male db 9 serial conn ect o r. to con n e c t to a pc, it may use a straight db9 seri al ca ble m/m. the bt-1 21 a dapter h a s a male db9 serial con n e c tor. to conn ect to a pc, it may use a null modem db9 seri al ca ble f / f. leds the followi ng are fun c tiona l assi gnme n ts for the leds on the bt-12 0 /121 ad apte r s: led 1, not assi gne d led 2, cpu active led 3, rf li nk active ?2008 a m p? ed r f i n c 1722 rin g wood a v e, suite 250, san jose, ca 95131, usa b t - 120/121 datas h eet www.a m pedrf . co m page 4 of 6
amp?e d rf, inc. ( phone) 408 21 3- 9 530 ( fa x ) 408 213- 9 533 ?2008 a m p? ed r f i n c 1722 rin g wood a v e, suite 250, san jose, ca 95131, usa b t - 120/121 datas h eet www.a m pedrf . co m page 5 of 6
amp?e d rf, inc. ( phone) 408 21 3- 9 530 ( fa x ) 408 213- 9 533 schematic ?2008 a m p? ed r f i n c 1722 rin g wood a v e, suite 250, san jose, ca 95131, usa b t - 120/121 datas h eet www.a m pedrf . co m page 6 of 6
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