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FSAV433 MC10EP89 440HS144 ADT7461A MCU11E9 CEM8434 HV518 MC75172
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  BTM256 bluetooth module data sheet d o c u m ent t y pe: b l ue t o o th m o d u le d a t a s h eet d o c u m e nt v e r s i on: v 1 .0 r e l e a se d a t e: s e p t e m be r 10 , 20 13 c o p y r i g h t 20 1 2 b y buddies technology limited. all rights reserved. r e p r o d u c t i o n o f t h i s d o c u m e n t , i n p a r t o f i n w h o l e , b y a n y m e a n s i s p r o h i b i t e d w i t h o u t w r i tt e n p e r m i ss i on f r om buddies technology limited. the information contained herein is believed to be accurate as of t h e d a t e o f pub l i c a t i o n . h o w e v e r , buddies is not liable for any damages, including indirect or c o n s e qu e n t i a l f r o m t h e u s e o f s o f t w a r e t h i s d o c u m e n t re p re s e n t s , o r a n y r e li a n c e o f t h e a c c u r a c y o f t h i s d o c u m e n t . buddies reserves the right to change the contents of this document at any time without notice. t h i s do c u me n t c o n t a i n s p r op r i e t a r y c o n f i d e n t i a l t r ad e s ec r e t s a n d m a y b e s u b j ec t t o ad d i t i o n a l r e s t r i c t i o n s c o n t a i n e d i n t h e li ce n s i n g ag r ee m e n t u n d e r w h i c h t h i s do c u me n t w a s o b t a i n e d. http://www.buddies-tech.com BTM256 datasheet 1
re v i s ion hi s t o ry d a t e v e r s i on d e sc r i p t i on a u t h o r 2 01 3 - 09 - 1 0 v 1 . 0 n f i r s t r ele a s e h t t p : / / w w w . b u d d i e s - t e c h . c o m BTM256 datasheet 2
co n t e nt 1 . in t r o du c t i o n . . . ..... . .. . . . .. . . .. . . . . .. . .... . ... . . . .. . . .. . . . . .. . .... . ... . . . .. . .. . . . .. . . . .. . . . .. . ..... . .. . . . .. . . . .. . . . .. . ..... . .. . . . .. . . .. . . . . . 4 1 . 1 b l o ck d i a g r am . .... . . . .. . . .. . . . . .. . .... . ... . .... . . .. . . . .. . . .... . ... . .... . . .. . . . .. . .. . . . .. . . .... . ... . .... . . .. . . . .. . . .... . ... . .... . . .. . . . .. . . .. . . 4 1 . 2 f e a t u r es . . ... . . .. . . . . .. . .... . ... . . . .. . . .. . . . . .. . .... . ... . .... . . .. . . . .. . . .... . ... . .... . . .. . . . .. . . .... . ... . .... . . .. . . . .. . . .... . ... . .... . . .. . . . .. . . .. . . 5 1 . 3 a pp l i c a t ions .. . . . . ... . .... . .. . . . . .. . . .. . . . .. . ..... . .. . . . .. . . . .. . . . .. . ..... . .. . . . .. . . .. . . . .. . . .... . ... . .... . . .. . . . .. . . .... . ... . .... . . .. . . . .. . . .. . . 6 2 . g e n e ra l sp e c i f ic a t i o n . . .... . .. . . . . .. . . .. . . . ... . .... . .. . . . . .. . . .. . . . .. . ..... . .. . . . .. . . . .. . . . .. . ..... . .. . . . .. . . . .. . . . .. . .... . ... . . . 7 3 . p h y s i c a l c h ara c te ri s t i c .... . .... . . .. . . . .. . . .... . ... . .... . . .. . . . . .. . ..... . .. . . . .. . . . .. . . . .. . ..... . .. . . . .. . . . .. . . . .. . .... . ... . . . .8 3 . 1 p i n d e s c r i p t i o n . . . .. . . . . .. . . .. . . . ... . .... . .. . . . .. . . . .. . . . .. . ..... . .. . . . .. . . . .. . . . .. . ..... . . .. . . . . .. . .... . ... . . . .. . . .. . . . . .. . .... . ... . . . .. . . .. . . .. . . 11 3 . 2 m a r k i ng d e s c r i p ti o n . . . . . . .. . . . .. . ..... . .... . .. . . . .. . . . .. . ..... . .. . . . .. . . . .. . . . .. . ..... . .. . . . . .. . . .. . . . ... . .... . .. . . . . .. . . .. . . . .... . ... . .... . .. . 13 4 . p h y s ica l in t e r f a ce ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? h t t p : / / w w w . b u d d i e s - t e c h . c o m BTM256 datasheet 3
1 . i n t r o d u c t i on t h e BTM256 bluetooth ?? ???????????? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? ?? ??? ?? ????? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? ?? ??????? 1. 1 b l o c k d i a g r a m ua rt c c 2 56 4 f i lt er c r s y t al 2 6 m hz p cm s l o w c l o ck v b at vdd _ io h t t p : / / w w w . b u d d i e s - t e c h . c o m b t m 256 datasheet 4
1. 2 f e a tu r e s s m a ll o v e r a ll d i m en s i o n ( 7 mm x 7 mm x 1 . 4 mm ) b lu e t o o t h s p e c i f i c a t i o n v 4 . 0 ( du a l m o de ) c la s s 1 . 5 s uppo r t ( hig h o u t p u t p o w e r) s u pp o r t m u l t i p l e p r o f ile s s m a ll s i z e w i t h l o w p o w e r c o n s u m p t i o n s u pp o r t s m a x i m u m b lu e t o o t h d a t a r a t e s o v e r hc i u a r t i n t e r f a c e le a d f r e e de s i g n w h i c h i s c o m p l ian t w i t h r o h s r e qu i r e m e n t s p h y s i c al c o n ne c t io n a s s m d t y p e n o r a dio s ign a l i n t e r f e r en c e , s u p po r t f o r 8 02 . 1 1 c o - e x i s t e n c e s o m e f e a t u r e s a r e op t ion a l f o r c u s t o m i z a t i o n on d e m a n d . h t t p : / / w w w . b u d d i e s - t e c h . c o m BTM256 datasheet 5
1. 3 a pp li c a t i on s m a r t p ho n e s m i d p o r t a ble d e v i c e s h ig h q u ali t y s t e r e o b l u e t oo t h h e a d s e t s h ig h q u a l i t y w i r ed s t e r eo h e a d s e t a nd h e a dp h one s b lu e t oo t h s p e a k e r s h t t p : / / w w w . b u d d i e s - t e c h . c o m BTM256 datasheet 6
2 . g e n e r a l s p e c i f i c a t i o n g e n er a l s p e c i f i c a t i o n c h ip s e t t i c c 2 5 6 4 m odu l e id BTM256 bt s t an d a r d b l ue t oo th v4 .0 spec i f i c a ti o n f r eq u en cy band 2 . 4 02 g h z ~ 2 . 48 0 ghz i sm b a nd m odu l a t i on f h ss , g f s k , d p sk , dq psk n u m b e r o f c h an n e l s 7 9 c ha n n e l s f o r c l a s s i c b l u e t o o t h 4 0 c ha n n e l s f o r b l u e t o o t h l o w e n e r g y b a s e band c r y s t al o sc 2 6 m h z rf i n p u t i m p e dance 5 0 o h m s h o s t i n t e r f a ce l p c m l hc i u a r t p r o f ile m u l t i p l e p r o f il es b y h os t b l u e t o o t h s t ack o p er a t i n g e n v i r o n m e nt t e m pe r a t u r e - 40 ! c t o + 85 ! c h u m id i t y 1 0% ~ 95 % n o n - c on d en s i n g e n v i r o n m e n t al r o h s c o m pl i a nt b l u e t oo t h s p e c i f i c a t i on c ha r a c t e r i s t i c s c o n di t io n t y p b t s p e c . u n i t o u t pu t p o w e r c la ss 1 . 5 9 . 9 1 0 . 5 d b m d f 1 a v g 1 6 1 1 4 0 ~ 1 7 5 k h z d f 2 m a x 1 2 9 > 1 1 5 k h z m o d ula t i o n g f sk d f2 a vg / d f1 a vg 86 8 0 % r m s d e v m 5 1 3 % % 9 9 d e v m 10 2 0 % m o d ula t i o n e dr @ 8 d psk p eaj d e v m 12 2 5 % g f sk @ b e r = 0 . 1% - 9 1 - 7 0 d b m ?? ?
3.physical characteristic h t t p : / / w w w . b u d d i e s - t e c h . c o m b t m 256 datasheet 8
h t t p : / / w w w . b u d d i e s - t e c h . c o m b t m 256 datasheet 9
h t t p : / / w w w . b u d d i e s - t e c h . c o m b t m 256 datasheet 10
3. 1 p i n d es c r i p t i on pi n# p i n n a me p a d t y pe d e s c r i p t i on 1 h c i _ c t s i hc i u a r t c l e a r- t o - s e n d . 2 h c i _ t x o hc i u a r t da t a t r a n s m i t 3 h c i _ r x i hc i u a r t da t a r e c ei v e 4 h c i _ r t s o hc i u a r t r e q u e s t - t o - s e n d . 5 g n d c o n ne c t t o g r o u nd 6 f m _ r x _ a n t i n o f u n c t io n , c on n e c t t o g r ou n d 7 g n d c o n ne c t t o g r o u nd 8 s l o w _ c l k _ i n i 3 2 . 76 8 - k h z c l o ck in 9 g n d c o n ne c t t o g r o u nd 1 0 f m _ a u d _ o u t _ l o n o f u n c t io n , n o t c on n e c t e d 1 1 f m _ a ud _ o u t _ r o n o f u n c t io n , n o t c on n e c t e d 1 2 vba t i b a tt e r y v ol t ag e i n pu t ( 3 . 0 - 4 . 8 v ) 1 3 g n d c o n ne c t t o g r o u nd 1 4 b t _ a n t i o b l u e t o o t h r f i o 1 5 g n d c o n ne c t t o g r o u nd 1 6 n s h u t d i s h u t d o w n inp u t ( a c t i v e l o w ) . 1 7 g n d c o n ne c t t o g r o u nd 1 8 v d d _ i o i i/ o p o w e r s u p pl y 1 . 8 v n o m 1 9 a u d _ i n i p c m d a t a inp u t . ( n c i f n o t u s ed ) 2 0 a ud _ o u t o p c m d a t a o u t pu t . ( n c i f n o t u s e d ) 2 1 a u d _ c l k i o p c m c l o ck . ( nc i f no t u s e d ) h t t p : / / w w w . b u d d i e s - t e c h . c o m BTM256 datasheet 11
2 2 a u d _ f s y n c i o p c m f r a m e s y n c h . ( nc i f n o t u s e d ) 2 3 i o 1 i o b t _ f un c t 1 2 4 t x _ d b g o l og g e r ou t p u t 2 5 g n d c o n ne c t t o g r o u nd 2 6 g n d c o n ne c t t o g r o u nd 2 7 g n d c o n ne c t t o g r o u nd 2 8 g n d c o n ne c t t o g r o u nd 2 9 g n d c o n ne c t t o g r o u nd 3 0 g n d c o n ne c t t o g r o u nd 3 1 g n d c o n ne c t t o g r o u nd 3 2 g n d c o n ne c t t o g r o u nd 3 3 g n d c o n ne c t t o g r o u nd h t t p : / / w w w . b u d d i e s - t e c h . c o m BTM256 datasheet 12
3. 2 m a r k i n g d es c r i p t i on p i n 1 h t t p : / / w w w . b u d d i e s - t e c h . c o m BTM256 datasheet 13
4 . p h y s i c a l i n t e r f a ce 4 .1 p o w e r d ev i ce p o w e r u p /d o w n s e qu e n c i ng n s h u t d vd d _ i o v b a t sl o w c lo c k n s hu t d r e q u i r e m e n t s p a r a m e t e r s y m m i n . m ax . u n i t o p e r a t io n m o de le v e l v ih 1 . 42 1 . 9 8 v s h u t do w n m od e le v e l v i l 0 0 . 4 v m i n i m u m t i m e f o r n s hu t _ d o w n l o w t o r e s e t t h e d e v i c e 5 m s r i s e / f a l l t i m e s t r / t f 2 0 u s 20 u s m ax 2 m s m ax s h u t d o w n b e f o r e v dd _ io r e m ov e d h t t p : / / w w w . b u d d i e s - t e c h . c o m BTM256 datasheet 14
4 .2 ext e rnal clo c k r e feren c e e x t e r n a l s l o w c l o c k s i g n a l c h a r ac t e r i s t i c s cha r act e ristics c o n d i t i o n s ym m i n t y p m a x u n i t i n p u t s l o w c l ock f r eq u e n c y 3 2 768 h z i n p u t s l o w c l ock a c cu r a c y + /- 250 pp m i n p u t t r ans i t i on ti m e t r / t f - 1 0 % t o 90 % tr / t f 1 00 ns f r eq u e n cy i n p u t du t y cyc l e 1 5 % 5 0 % 8 5 % p h as e no i se a t 1 k h z_ - 1 2 5 d b c / hz j i t t e r i n t e g r a t e d ove r 300 t o 1 5 00 0 h z 1 h z v i h 0 . 6 5 * vd d _ io vdd _i o v p eak s l o w c l o ck i n p u t v o lt a ge l i m it s s q ua r e w a v e , dc co up l ed v i l 0 0 . 3 5 *v d d _ io v p eak i n p u t i m pe d a nce 1 m o h m i n p u t ca pa c it a nce 5 p f h t t p : / / w w w . b u d d i e s - t e c h . c o m BTM256 datasheet 15
4 .3 a udi o c o de c /pc m a u d _ c l k a ud _ i n / f s yn c _ i n a ud _ o u t / f s y n c _ o u t 4 . 3 . 1 p c m maste s y mb o l p a r a m e t er c o nd i t i o n m i n m a x u n i t t c l k c y c l e t i me 62 . 5 ( 16 m h z ) t w h i g h o r l o w pu l s e w i d t h 4 0 % o f t c l k t i s aud _ i n setup t i m e 8 t i h aud _ i n ho l d ti m e 0 t i s aud _ fs ync s e t u p ti m e 8 t i h aud _ fs ync h o l d t i m e 0 t o p aud _ out p r op ag a t i o n t i m e 40 p f l oad 0 2 1 ns 4 . 3 . 2 p c m sla v e s y mb o l p a r a m e t er c o n d i t i o n m i n m a x u n i t t c l k c y c l e t i me 62 . 5 ( 1 6 m h z) t w h i g h o r l o w pu l s e w i d th 4 0 % o f t clk t i s aud _ i n setup t i m e 8 t i h aud _ i n ho l d ti m e 0 t i s aud _ fs ync s e t u p ti m e 8 t i h aud _ fs ync h o l d t i m e 0 ns t c lk tw tw t is t ih t op h t t p : / / w w w . b u d d i e s - t e c h . c o m BTM256 datasheet 16
4 .4 u a rt i nte r f a c e t iming h c i_ r t s h c i_ rx h c i_ c ts h c i_ tx s y m b o l c h a r ac t e r i s t i c s c o n d i t i o n m i n t y p e m a x u n it b au d r a t e 3 7 . 5 40 0 0 k b ps b au d r a t e a c c u r a cy - 2 . 5% 1 . 5% t 3 c t s l o w t o t x _ d a t a o n 0 2 u s t 4 c t s high t o t x _ d a t a o f f h a r d w a r e f l o w c o n t o ll 1 b y te t 6 c t s- hig h p ul s e w i d t h 1 bi t t 1 r t s l o w t o r x _ d a t a o n 0 2 u s t 2 r t s high t o r x _ d a t a o f f 1 6 b y te t1 t2 t6 t3 t4 1 0 b i ts s t a r t b it s t o p b it h t t p : / / w w w . b u d d i e s - t e c h . c o m BTM256 datasheet 17
5 . e l e c t r i c a l c h a r a c te r i s t i c 5 .1 a bsolute m a x i m um ra t ings s y m b ol d e s cr i p t i o n m in m ax u n it v b a t i n p u t s u ppl y v o l t a ge - 0 . 5 5 . 5 v v d d _ i o d ig i t a l b l u e t oo t h i/ o v o l t ag e - 0 . 5 2 . 1 4 5 v 5 .2 r e co m mend ed o p e rating r a t i n gs s y m b ol m i n . t y p. m ax. u n it v b a t 2 . 2 3 . 3 4 . 8 v v d d _ i o 1 . 62 1 . 8 1 . 9 2 v 5 .3 power c o n s u m ptions t e s t c o n d i t i ons : v b at= 3 . 3 v ; t e m p = 25 o ? ? ?? ? ? ? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ? ? ?? ? ??? ? ? ? ??? ? ? ?? ? ?? ? ??? ? ? ?? ? ? ? ? ? ? ? ? ? ?? ? ??? ? ? ? ??? ? ? ?? ? ? ?? ? ??? ? ? ? ??? ? ? ?? ? ?? ? ?? ? ??? ? ? ??? ? ?? ? ? ? ?? ? ? ? ? ? ? ?? ? ??? ? ? ? ??? ? ? ?? ? ??? ? ? ? ? ??? ? ? ?? ? ??? ? ? ? ??? ? ? ? ? ? ? ??? ? ? ? ? ?? ? ??? ? ? ? ??? ? ? ? ? ?? ? ??? ? ? ? ??? ? ? ? ? ? ? ?? ? ??? ? ? ? ??? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?????? ?
6 . r e c o m m e n d e d t e m p e r a t u r e r e f l ow p r o f i l e t h e s olde r in g p r o f il e d e pe n d s o n v a r iou s pa r a m e t e r s n e c e ss i t a t in g a s e t up f o r ea c h a p p l i c a t io n . t he d a t a h e r e i s g i v e n o n l y f o r g u i d an c e on s o l d e r r e f l o w . p e a k t e m p e r a t u r e : < 250 $ c n u m b e r o f t i m e s : _ 2 t i m e s h t t p : / / w w w . b u d d i e s - t e c h . c o m BTM256 datasheet 19
7 . p a c k a g i ng i n f o r m a t i on 1 . b l u e t oo th mo d u l e : BTM256 h t t p : / / w w w . b u d d i e s - t e c h . c o m BTM256 datasheet 20 a l l r ight s a r e s t r ic t l y r es er v ed . a n y po r t io n o f t h is pa p e r s ha l l no t b e r e pr o d u c ed , c o pied , o r translated to any other forms without permission fr om buddies technology limited. 3k g dimension g


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