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  b l a c k f i n a n d t h e b l a c k f i n l o g o a r e r e g i s t e r e d t r a d e m a r k s o f a n a l o g d e v i c e s , i n c . b l a c k f i n e m b e d d e d p r o c e s s o r w i t h c o d e c a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a i n f o r m a t i o n f u r n i s h e d b y a n a l o g d e v i c e s i s b e l i e v e d t o b e a c c u r a t e a n d r e l i a b l e . h o w e v e r , n o r e s p o n s i b i l i t y i s a s s u m e d b y a n a l o g d e v i c e s f o r i t s u s e , n o r f o r a n y i n f r i n g e m e n t s o f p a t e n t s o r o t h e r r i g h t s o f t h i r d p a r t i e s t h a t m a y r e s u l t f r o m i t s u s e . s p e c i f i c a t i o n s s u b j e c t t o c h a n g e w i t h o u t n o t i c e . n o l i c e n s e i s g r a n t e d b y i m p l i c a t i o n o r o t h e r w i s e u n d e r a n y p a t e n t o r p a t e n t r i g h t s o f a n a l o g d e v i c e s . t r a d e m a r k s a n d r e g i s t e r e d t r a d e m a r k s a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s . o n e t e c h n o l o g y w a y , p . o . b o x 9 1 0 6 , n o r w o o d , m a 0 2 0 6 2 - 9 1 0 6 u . s . a . t e l : 7 8 1 . 3 2 9 . 4 7 0 0 w w w . a n a l o g . c o m f a x : 7 8 1 . 4 6 1 . 3 1 1 3 ? 2 0 1 0 a n a l o g d e v i c e s , i n c . a l l r i g h t s r e s e r v e d . p r o c e s s o r f e a t u r e s u p t o 6 0 0 m h z h i g h p e r f o r m a n c e b l a c k f i n p r o c e s s o r r i s c - l i k e r e g i s t e r a n d i n s t r u c t i o n m o d e l f o r e a s e o f p r o g r a m m i n g a n d c o m p i l e r - f r i e n d l y s u p p o r t a d v a n c e d d e b u g , t r a c e , a n d p e r f o r m a n c e m o n i t o r i n g a c c e p t s a w i d e r a n g e o f s u p p l y v o l t a g e s f o r i n t e r n a l a n d i / o o p e r a t i o n s . s e e o p e r a t i n g c o n d i t i o n s i n t h e p u b l i s h e d a d s p - b f 5 2 x p r o c e s s o r d a t a s h e e t . p r o g r a m m a b l e o n - c h i p v o l t a g e r e g u l a t o r ( a d s p - b f 5 2 3 / a d s p - b f 5 2 5 / a d s p - b f 5 2 7 p r o c e s s o r s o n l y ) e m b e d d e d l o w p o w e r a u d i o c o d e c 2 8 9 - b a l l ( 1 2 m m x 1 2 m m ) c s p _ b g a p a c k a g e 1 3 2 k b y t e s o f o n - c h i p m e m o r y e x t e r n a l m e m o r y c o n t r o l l e r w i t h g l u e l e s s s u p p o r t f o r s d r a m a n d a s y n c h r o n o u s 8 - b i t a n d 1 6 - b i t m e m o r i e s f l e x i b l e b o o t i n g o p t i o n s f r o m e x t e r n a l f l a s h , s p i a n d t w i m e m o r y o r f r o m h o s t d e v i c e s i n c l u d i n g s p i , t w i , a n d u a r t c o d e s e c u r i t y w i t h l o c k b o x s e c u r e t e c h n o l o g y o n e - t i m e - p r o g r a m m a b l e ( o t p ) m e m o r y m e m o r y m a n a g e m e n t u n i t p r o v i d i n g m e m o r y p r o t e c t i o n 2 d u a l - c h a n n e l m e m o r y d m a c o n t r o l l e r s e m b e d d e d c o d e c f e a t u r e s s t e r e o , 2 4 - b i t a d c s a n d d a c s d a c s n r : 1 0 0 d b ( a - w e i g h t e d ) , t h d : ? 8 0 d b a t 4 8 k h z , 3 . 3 v a d c s n r : 9 0 d b ( a - w e i g h t e d ) , t h d : ? 8 0 d b a t 4 8 k h z , 3 . 3 v h i g h l y e f f i c i e n t h e a d p h o n e a m p l i f i e r s t e r e o l i n e i n p u t a n d m o n a u r a l m i c r o p h o n e i n p u t l o w p o w e r 7 m w s t e r e o p l a y b a c k ( 1 . 8 v s u p p l y ) 1 4 m w r e c o r d a n d p l a y b a c k ( 1 . 8 v s u p p l y ) l o w s u p p l y v o l t a g e s a n a l o g : 1 . 8 v t o 3 . 6 v d i g i t a l c o r e : 1 . 8 v m i n d i g i t a l i / o : 1 . 8 v t o 3 . 6 v 2 5 6 f s / 3 8 4 f s o v e r s a m p l i n g r a t e i n n o r m a l m o d e ; 2 5 0 f s / 2 7 2 f s o v e r s a m p l i n g r a t e i n u s b m o d e a u d i o s a m p l i n g r a t e s : 8 k h z , 1 1 . 0 2 5 k h z , 1 2 k h z , 1 6 k h z , 2 2 . 0 5 k h z , 2 4 k h z , 3 2 k h z , 4 4 . 1 k h z , 4 8 k h z , 8 8 . 2 k h z , a n d 9 6 k h z p e r i p h e r a l s s e e t h e p u b l i s h e d a d s p - b f 5 2 x p r o c e s s o r d a t a s h e e t f o r a d d i t i o n a l p e r i p h e r a l s s p o r t 0 t i m e r 0 v o l t a g e r e g u l a t o r * * r e g u l a t o r a v a i l a b l e o n a d s p - b f 5 2 3 / a d s p - b f 5 2 5 / a d s p - b f 5 2 7 p r o c e s s o r s o n l y p o r t j g p i o p o r t h g p i o p o r t g g p i o p o r t f j t a g t e s t a n d e m u l a t i o n p e r i p h e r a l a c c e s s b u s o t p m e m o r y c o u n t e r w a t c h d o g t i m e r r t c t w i s p o r t 1 n f c p p i u a r t 0 s p i t i m e r 7 - 1 e m a c h o s t d m a b o o t r o m d m a a c c e s s b u s i n t e r r u p t c o n t r o l l e r d m a c o n t r o l l e r l 1 d a t a m e m o r y l 1 i n s t r u c t i o n m e m o r y u s b 1 6 d c b e a b e x t e r n a l p o r t f l a s h , s d r a m c o n t r o l b u a r t 1 d e b c o d e c
r e v . a | p a g e 2 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c t a b l e o f c o n t e n t s p r o c e s s o r f e a t u r e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 e m b e d d e d c o d e c f e a t u r e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 p e r i p h e r a l s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 t a b l e o f c o n t e n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 r e v i s i o n h i s t o r y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 g e n e r a l d e s c r i p t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 c o d e c d e s c r i p t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 a d c a n d d a c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 a d c h i g h - p a s s a n d d a c d e - e m p h a s i s f i l t e r s . . . . . . . . . . . . 4 a n a l o g a u d i o i n t e r f a c e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 s t e r e o l i n e a n d m o n a u r a l m i c r o p h o n e i n p u t s . . . . . . . . . . 4 b y p a s s a n d s i d e t o n e p a t h s t o o u t p u t . . . . . . . . . . . . . . . . . . . . . . 5 l i n e a n d h e a d p h o n e o u t p u t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 d i g i t a l a u d i o i n t e r f a c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 r e c o r d i n g m o d e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 p l a y b a c k m o d e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 d i g i t a l a u d i o d a t a s a m p l i n g r a t e . . . . . . . . . . . . . . . . . . . . . . . . . . 8 s o f t w a r e c o n t r o l i n t e r f a c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 c o d e c p i n d e s c r i p t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 r e g i s t e r d e t a i l s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5 b i t d e s c r i p t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 6 s p e c i f i c a t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1 o p e r a t i n g c o n d i t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1 c o d e c e l e c t r i c a l c h a r a c t e r i s t i c s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1 a b s o l u t e m a x i m u m r a t i n g s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3 e s d s e n s i t i v i t y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3 p a c k a g e i n f o r m a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3 p o w e r c o n s u m p t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 4 t i m i n g s p e c i f i c a t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 5 t w i t i m i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 5 s p i t i m i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 6 d i g i t a l a u d i o i n t e r f a c e s l a v e m o d e t i m i n g . . . . . . . . . . . . 2 7 d i g i t a l a u d i o i n t e r f a c e m a s t e r m o d e t i m i n g . . . . . . . . . . 2 8 s y s t e m c l o c k t i m i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 9 d i g i t a l f i l t e r c h a r a c t e r i s t i c s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 0 c o n v e r t e r f i l t e r r e s p o n s e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 0 d i g i t a l d e - e m p h a s i s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1 2 8 9 - b a l l c s p _ b g a b a l l a s s i g n m e n t . . . . . . . . . . . . . . . . . . . . . . . . 3 2 o u t l i n e d i m e n s i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 5 o r d e r i n g g u i d e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 6 r e v i s i o n h i s t o r y 3 / 1 0 ? r e v . 0 t o r e v . a r e v i s e d t h e f o l l o w i n g f i g u r e s . r e c o m m e n d e d a p p l i c a t i o n c i r c u i t u s i n g s p i c o n t r o l . . . . 1 3 r e c o m m e n d e d a p p l i c a t i o n c i r c u i t u s i n g t w i c o n t r o l . . 1 4 a d d e d s a m p l i n g r a t e = 4 8 k h z t o a l l f i g u r e s i n c o n v e r t e r f i l t e r r e s p o n s e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 0 r e v i s e d o r d e r i n g g u i d e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 6
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 3 o f 3 6 | m a r c h 2 0 1 0 g e n e r a l d e s c r i p t i o n t h i s d o c u m e n t d e s c r i b e s t h e d i f f e r e n c e s b e t w e e n t h e a d s p - b f 5 2 x c a n d t h e a d s p - b f 5 2 x s t a n d a r d b l a c k f i n ? p r o d - u c t . p l e a s e r e f e r t o t h e p u b l i s h e d a d s p - b f 5 2 x d a t a s h e e t f o r g e n e r a l d e s c r i p t i o n a n d s p e c i f i c a t i o n s . t h i s d o c u m e n t o n l y d e s c r i b e s t h e d i f f e r e n c e s f r o m t h a t d a t a s h e e t . t h e a d s p - b f 5 2 x c p r o c e s s o r s a d d a l o w p o w e r , h i g h q u a l i t y s t e r e o a u d i o c o d e c f o r p o r t a b l e d i g i t a l a u d i o a p p l i c a t i o n s w i t h o n e s e t o f s t e r e o p r o g r a m m a b l e g a i n a m p l i f i e r ( p g a ) l i n e i n p u t s a n d o n e m o n a u r a l m i c r o p h o n e i n p u t . i t f e a t u r e s t w o 2 4 - b i t a n a l o g - t o - d i g i t a l c o n v e r t e r ( a d c ) c h a n n e l s a n d t w o 2 4 - b i t d i g i t a l - t o - a n a l o g ( d a c ) c o n v e r t e r c h a n n e l s . t h e c o d e c c a n o p e r a t e a s a m a s t e r o r a s l a v e . i t s u p p o r t s v a r i o u s m a s t e r c l o c k f r e q u e n c i e s , i n c l u d i n g 1 2 m h z o r 2 4 m h z f o r u s b d e v i c e s ; s t a n d a r d 2 5 6 f s o r 3 8 4 f s b a s e d r a t e s , s u c h a s 1 2 . 2 8 8 m h z a n d 2 4 . 5 7 6 m h z ; a n d m a n y c o m m o n a u d i o s a m - p l i n g r a t e s , s u c h a s 9 6 k h z , 8 8 . 2 k h z , 4 8 k h z , 4 4 . 1 k h z , 3 2 k h z , 2 4 k h z , 2 2 . 0 5 k h z , 1 6 k h z , 1 2 k h z , 1 1 . 0 2 5 k h z , a n d 8 k h z . t h e c o d e c c a n o p e r a t e a t p o w e r s u p p l i e s a s l o w a s 1 . 8 v f o r t h e a n a l o g c i r c u i t r y a n d a s l o w a s 1 . 8 v f o r t h e d i g i t a l c i r c u i t r y . t h e m a x i m u m v o l t a g e s u p p l y i s 3 . 6 v f o r a l l s u p p l i e s . t h e c o d e c s o f t w a r e - p r o g r a m m a b l e s t e r e o o u t p u t o p t i o n s p r o v i d e t h e p r o g r a m m e r w i t h m a n y a p p l i c a t i o n p o s s i b i l i t i e s b e c a u s e t h e d e v i c e c a n b e u s e d a s a h e a d p h o n e d r i v e r o r a s a s p e a k e r d r i v e r . i t s v o l u m e c o n t r o l f u n c t i o n s p r o v i d e a l a r g e r a n g e o f g a i n c o n t r o l o f t h e a u d i o s i g n a l . c o d e c d e s c r i p t i o n t h e a d s p - b f 5 2 x c c o d e c c o n t a i n s a c e n t r a l c l o c k s o u r c e , c a l l e d t h e c o d e c m a s t e r c l o c k ( c o d e c _ m c l k ) t h a t p r o d u c e s a r e f e r - e n c e c l o c k f o r a l l i n t e r n a l a u d i o d a t a p r o c e s s i n g a n d s y n c h - r o n i z a t i o n . w h e n u s i n g a n e x t e r n a l c l o c k s o u r c e t o d r i v e t h e c o d e c _ m c l k p i n , c a r e s h o u l d b e t a k e n t o s e l e c t a c l o c k s o u r c e w i t h l e s s t h a n 5 0 p s o f j i t t e r . w i t h o u t c a r e f u l g e n e r a t i o n o f t h e c o d e c _ m c l k s i g n a l , t h e d i g i t a l a u d i o q u a l i t y w i l l s u f f e r . t o e n a b l e t h e c o d e c t o g e n e r a t e t h e c e n t r a l r e f e r e n c e c l o c k i n a s y s t e m , c o n n e c t a c r y s t a l o s c i l l a t o r b e t w e e n t h e x t i / c o d e c _ m c l k i n p u t p i n a n d t h e x t o o u t p u t p i n . f i g u r e 1 . c o d e c b l o c k d i a g r a m c o d e c a v d d v m i d a g n d m i c b i a s c s b c s d a c s c l c m o d e c o n t r o l i n t e r f a c e r l i n e i n m i c i n l l i n e i n o s c p d o s c c l k i n d i v i d e r c l k o u t d i v i d e r d i g i t a l a u d i o i n t e r f a c e v o l u m e v o l u m e m i c b o o s t m u t e m u t e m u t e m u t e m u x m u x a d c a d c d i g i t a l f i l t e r s h p v d d h p g n d r h p o u t r o u t l o u t l h p o u t h e a d p h o n e d r i v e r h e a d p h o n e d r i v e r v o l u m e / m u t e v o l u m e / m u t e m u t e a t t e n / m u t e a t t e n / m u t e m u t e d a c d a c m u t e m u t e  x t o x t i / c o d e c _ m c l k c o d e c _ c l k o u t d a c d a t d a c l r c c o d e c _ b c l k a d c l r c a d c d a t
r e v . a | p a g e 4 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c t o a l l o w a n e x t e r n a l d e v i c e t o g e n e r a t e t h e c e n t r a l r e f e r e n c e c l o c k , a p p l y t h e e x t e r n a l c l o c k s i g n a l d i r e c t l y t h r o u g h t h e x t i / c o d e c _ m c l k i n p u t p i n . i n t h i s c o n f i g u r a t i o n , t h e o s c i l l a t o r c i r c u i t o f t h e c o d e c c a n b e p o w e r e d d o w n b y u s i n g t h e o s c p d b i t ( r e g i s t e r r 6 , b i t d 5 ) t o r e d u c e p o w e r c o n s u m p t i o n . t o a c c o m m o d a t e a p p l i c a t i o n s w i t h v e r y h i g h f r e q u e n c y m a s t e r c l o c k s , t h e i n t e r n a l c o r e r e f e r e n c e c l o c k o f t h e c o d e c c a n b e s e t t o e i t h e r c o d e c _ m c l k o r c o d e c _ m c l k d i v i d e d b y 2 . t h i s i s e n a b l e d b y a d j u s t i n g t h e s e t t i n g o f t h e c l k d i v 2 b i t ( r e g i s t e r r 8 , b i t d 6 ) . t h e c o d e c _ c l k o u t p i n c a n a l s o d r i v e e x t e r n a l c l o c k s o u r c e s w i t h e i t h e r t h e c o d e c c l o c k s i g n a l o r c o d e c c l o c k d i v i d e d b y 2 b y e n a b l i n g t h e c l k o d i v 2 b i t ( r e g i s t e r r 8 , b i t d 7 ) . a d c a n d d a c t h e c o d e c c o n t a i n s a p a i r o f o v e r s a m p l i n g  -  a d c s . t h e m a x i m u m a d c f u l l - s c a l e i n p u t l e v e l i s 1 . 0 v r m s w h e n a v d d = 3 . 3 v . i f t h e i n p u t s i g n a l t o t h e a d c e x c e e d s t h i s l e v e l , d a t a o v e r l o a d i n g o c c u r s a n d c a u s e s a u d i b l e d i s t o r t i o n . t h e a d c c a n a c c e p t a n a l o g a u d i o i n p u t f r o m e i t h e r t h e s t e r e o l i n e i n p u t s o r t h e m o n a u r a l m i c r o p h o n e i n p u t . n o t e t h a t t h e a d c c a n o n l y a c c e p t i n p u t f r o m a s i n g l e s o u r c e , s o t h e p r o - g r a m m e r m u s t c h o o s e e i t h e r t h e l i n e i n p u t s o r t h e m i c r o p h o n e i n p u t u s i n g t h e i n s e l b i t ( r e g i s t e r r 4 , b i t d 2 ) . t h e d i g i t a l d a t a f r o m t h e a d c o u t p u t , o n c e c o n v e r t e d , i s p r o c e s s e d u s i n g t h e a d c f i l t e r s . c o m p l e m e n t a r y t o t h e  -  a d c c h a n n e l s , t h e c o d e c c o n t a i n s a p a i r o f o v e r s a m p l i n g d a c s t h a t c o n v e r t t h e d i g i t a l a u d i o d a t a f r o m t h e i n t e r n a l d a c f i l t e r s i n t o a n a n a l o g a u d i o s i g n a l . t h e d a c o u t p u t c a n a l s o b e m u t e d b y s e t t i n g t h e d a c m u b i t ( r e g - i s t e r r 5 , b i t d 3 ) i n t h e c o n t r o l r e g i s t e r . a d c h i g h - p a s s a n d d a c d e - e m p h a s i s f i l t e r s t h e a d c a n d d a c e m p l o y s e p a r a t e d i g i t a l f i l t e r s t h a t p e r f o r m 2 4 - b i t s i g n a l p r o c e s s i n g . t h e d i g i t a l f i l t e r s a r e u s e d f o r b o t h r e c o r d a n d p l a y b a c k m o d e s a n d a r e o p t i m i z e d f o r e a c h i n d i v i d - u a l s a m p l i n g r a t e u s e d . f o r r e c o r d i n g m o d e o p e r a t i o n s , t h e u n p r o c e s s e d d a t a f r o m t h e a d c e n t e r s t h e a d c f i l t e r s a n d i s c o n v e r t e d t o t h e a p p r o p r i a t e s a m p l i n g f r e q u e n c y , t h e n i s o u t p u t t o t h e d i g i t a l a u d i o i n t e r f a c e . f o r p l a y b a c k m o d e o p e r a t i o n s , t h e d a c f i l t e r s c o n v e r t t h e d i g i - t a l a u d i o i n t e r f a c e d a t a t o o v e r s a m p l e d d a t a u s i n g a s a m p l i n g r a t e s e l e c t e d b y t h e p r o g r a m m e r . t h e o v e r s a m p l e d d a t a i s p r o - c e s s e d b y t h e d a c a n d s e n t t o t h e a n a l o g o u t p u t m i x e r b y e n a b l i n g t h e d a c s e l ( r e g i s t e r r 4 , b i t d 4 ) . p r o g r a m m e r s h a v e t h e o p t i o n o f s e t t i n g u p t h e d e v i c e s o t h a t a n y d c o f f s e t i n t h e i n p u t s o u r c e s i g n a l i s a u t o m a t i c a l l y d e t e c t e d a n d r e m o v e d . t o a c c o m p l i s h t h i s , e n a b l e t h e d i g i t a l h i g h - p a s s f i l t e r ( s e e t a b l e 2 2 o n p a g e 3 0 f o r c h a r a c t e r i s t i c s ) c o n t a i n e d i n t h e a d c d i g i t a l f i l t e r s b y u s i n g t h e a d c h p d b i t ( r e g i s t e r r 5 , b i t d 0 ) . i n a d d i t i o n , p r o g r a m m e r s c a n i m p l e m e n t d i g i t a l d e - e m p h a s i s b y u s i n g t h e d e e m p h b i t s ( r e g i s t e r r 5 , b i t d 1 a n d b i t d 2 ) . a n a l o g a u d i o i n t e r f a c e s t h e c o d e c i n c l u d e s s t e r e o s i n g l e - e n d e d l i n e i n p u t s a n d a m o n - a u r a l m i c r o p h o n e i n p u t t o t h e o n - b o a r d a d c . e i t h e r t h e l i n e i n p u t s o r t h e m i c r o p h o n e i n p u t , b u t n o t b o t h s i m u l t a n e o u s l y , c a n b e c o n n e c t e d t o t h e a d c b y s e t t i n g t h e i n s e l b i t ( r e g i s t e r r 4 , b i t d 2 ) . t h e c o d e c a l s o i n c l u d e s l i n e a n d h e a d p h o n e o u t p u t s f r o m t h e o n - b o a r d d a c . t h e l i n e o r m i c r o p h o n e i n p u t s c a n b e r o u t e d a n d m i x e d d i r e c t l y t o t h e o u t p u t t e r m i n a l s . s t e r e o l i n e a n d m o n a u r a l m i c r o p h o n e i n p u t s t h e s i n g l e - e n d e d s t e r e o l i n e i n p u t s ( r l i n e i n a n d l l i n e i n ) a r e i n t e r n a l l y b i a s e d t o v m i d b y w a y o f a v o l t a g e d i v i d e r b e t w e e n a v d d a n d a g n d ( s e e f i g u r e 2 ) . t h e l i n e i n p u t s i g n a l c a n b e c o n n e c t e d t o t h e i n t e r n a l a d c a n d , i f d e s i r e d , r o u t e d d i r e c t l y t o t h e o u t p u t s v i a t h e b y p a s s p a t h b y u s i n g t h e b y p a s s b i t ( r e g i s t e r r 4 , b i t d 3 ) . t h e l i n e i n p u t v o l u m e c a n b e a d j u s t e d f r o m ? 3 4 . 5 d b t o + 3 3 d b i n s t e p s o f + 1 . 5 d b b y s e t t i n g t h e l i n v o l ( r e g i s t e r r 0 , b i t d 0 t o b i t d 5 ) a n d r i n v o l ( r e g i s t e r r 1 , b i t d 0 t o b i t d 5 ) b i t s . b y d e f a u l t t h e v o l u m e i s i n d e p e n d e n t l y a d j u s t a b l e f o r b o t h r i g h t a n d l e f t l i n e i n p u t s . h o w e v e r , i f t h e l r i n b o t h o r r l i n b o t h b i t i s p r o g r a m m e d , b o t h l i n v o l a n d r i n v o l a r e l o a d e d w i t h t h e s a m e v a l u e . t h e p r o g r a m m e r c a n a l s o s e t t h e l i n m u t e ( r e g i s t e r r 0 , b i t d 7 ) a n d r i n m u t e ( r e g i s t e r r 1 , b i t d 7 ) b i t s t o m u t e t h e l i n e i n p u t s i g n a l t o t h e a d c . t h e h i g h i m p e d a n c e , l o w c a p a c i t a n c e m o n a u r a l m i c r o p h o n e i n p u t p i n ( m i c i n , s h o w n i n f i g u r e 3 ) h a s t w o g a i n s t a g e s a n d a m i c r o p h o n e b i a s l e v e l ( m i c b i a s ) t h a t i s i n t e r n a l l y b i a s e d t o t h e v m i d v o l t a g e l e v e l b y w a y o f a v o l t a g e d i v i d e r b e t w e e n a v d d a n d a g n d . t h e m i c r o p h o n e i n p u t s i g n a l c a n b e c o n n e c t e d t o t h e i n t e r n a l a d c a n d , i f d e s i r e d , r o u t e d d i r e c t l y t o t h e o u t p u t s v i a t h e s i d e t o n e p a t h b y u s i n g t h e s i d e t o n e b i t ( r e g i s t e r r 4 , b i t d 5 ) . f i g u r e 2 . l i n e i n p u t t o a d c a d c o r b y p a s s r l i n e i n o r l l i n e i n a v d d v m i d a g n d + ? i n t e r n a l c i r c u i t r y
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 5 o f 3 6 | m a r c h 2 0 1 0 t h e f i r s t g a i n s t a g e i s c o m p o s e d o f a l o w n o i s e o p e r a t i o n a l a m p l i f i e r s e t t o a n i n v e r t i n g c o n f i g u r a t i o n w i t h i n t e g r a t e d 5 0 k  f e e d b a c k a n d 1 0 k  i n p u t r e s i s t o r s . t h e d e f a u l t m i c r o - p h o n e i n p u t s i g n a l g a i n i s 1 4 d b . a n e x t e r n a l r e s i s t o r ( r e x t ) c a n b e c o n n e c t e d i n s e r i e s w i t h t h e m i c i n p i n t o r e d u c e t h e f i r s t - s t a g e g a i n o f t h e m i c r o p h o n e i n p u t s i g n a l t o a s l o w a s 0 d b b y u s i n g t h e f o l l o w i n g e q u a t i o n : m i c r o p h o n e i n p u t g a i n = 5 0 k  / ( 1 0 k  + r e x t ) t h e s e c o n d - s t a g e g a i n o f t h e m i c r o p h o n e s i g n a l p a t h i s d e r i v e d f r o m t h e i n t e r n a l m i c r o p h o n e b o o s t c i r c u i t r y . t h e a v a i l a b l e s e t - t i n g s a r e 0 d b , 2 0 d b , a n d 4 0 d b a n d a r e c o n t r o l l e d b y t h e m i c b o o s t ( r e g i s t e r r 4 , b i t d 0 ) a n d m i c b o o s t 2 ( r e g i s t e r r 4 , b i t d 8 ) b i t s . t o a c h i e v e 2 0 d b o f s e c o n d a r y g a i n b o o s t , t h e p r o g r a m m e r c a n s e l e c t e i t h e r m i c b o o s t o r m i c b o o s t 2 . t o a c h i e v e 4 0 d b o f s e c o n d a r y m i c r o p h o n e s i g n a l g a i n , t h e p r o - g r a m m e r m u s t s e l e c t b o t h m i c b o o s t a n d m i c b o o s t 2 . t h e m u t e m i c b i t ( r e g i s t e r r 4 , b i t d 1 ) m u t e s t h e m i c r o p h o n e i n p u t s i g n a l t o t h e a d c . w h e n u s i n g e i t h e r t h e l i n e o r m i c r o p h o n e i n p u t s , t h e m a x i m u m f u l l - s c a l e i n p u t t o t h e a d c i s 1 . 0 v r m s w h e n a v d d = 3 . 3 v . d o n o t a p p l y a n i n p u t v o l t a g e l a r g e r t h a n f u l l - s c a l e t o a v o i d o v e r l o a d i n g t h e a d c , w h i c h c a u s e s d i s t o r t i o n o f s o u n d a n d d e t e r i o r a t i o n o f a u d i o q u a l i t y . f o r b e s t s o u n d q u a l i t y i n b o t h m i c r o p h o n e a n d l i n e i n p u t s , g a i n s h o u l d b e c a r e f u l l y c o n f i g u r e d s o t h a t t h e a d c r e c e i v e s a s i g n a l e q u a l t o i t s f u l l - s c a l e . t h i s m a x i m i z e s t h e s i g n a l - t o - n o i s e r a t i o f o r b e s t t o t a l a u d i o q u a l i t y . b y p a s s a n d s i d e t o n e p a t h s t o o u t p u t t h e l i n e a n d m i c r o p h o n e i n p u t s c a n b e r o u t e d a n d m i x e d d i r e c t l y t o t h e o u t p u t t e r m i n a l s b y p r o g r a m m i n g t h e s i d e t - o n e ( r e g i s t e r r 4 , b i t d 5 ) a n d b y p a s s ( r e g i s t e r r 4 , b i t d 3 ) r e g i s t e r s . i n b o t h m o d e s , t h e a n a l o g i n p u t s i g n a l i s r o u t e d d i r e c t l y t o t h e o u t p u t t e r m i n a l s a n d i s n o t d i g i t a l l y c o n v e r t e d . t h e b y p a s s s i g n a l a t t h e o u t p u t m i x e r i s t h e s a m e l e v e l a s t h e o u t p u t o f t h e p g a a s s o c i a t e d w i t h e a c h l i n e i n p u t . t h e s i d e t o n e s i g n a l a t t h e o u t p u t m i x e r c a n b e a t t e n u a t e d f r o m ? 6 d b t o ? 1 5 d b i n s t e p s o f ? 3 d b b y c o n f i g u r i n g t h e s i d e a t t ( r e g i s t e r r 4 , b i t d 6 a n d b i t d 7 ) c o n t r o l r e g i s t e r b i t s . t h e s e l e c t e d l e v e l o f a t t e n u a t i o n o c c u r s a f t e r t h e i n i t i a l m i c r o p h o n e s i g n a l a m p l i f i c a t i o n f r o m t h e m i c r o p h o n e f i r s t a n d s e c o n d s t a g e g a i n s . l i n e a n d h e a d p h o n e o u t p u t s t h e d a c o u t p u t s , t h e m i c r o p h o n e ( t h e s i d e t o n e p a t h ) , a n d t h e l i n e i n p u t s ( t h e b y p a s s p a t h ) a r e s u m m e d a t a n o u t p u t m i x e r ( s e e f i g u r e 4 ) . t h i s o u t p u t s i g n a l i s t h e n a p p l i e d t o b o t h t h e s t e - r e o l i n e o u t p u t s a n d s t e r e o h e a d p h o n e o u t p u t s . t h e c o d e c h a s a s e t o f e f f i c i e n t h e a d p h o n e a m p l i f i e r o u t p u t s , l h p o u t a n d r h p o u t , t h a t a r e a b l e t o d r i v e 1 6  o r 3 2  h e a d p h o n e s ( s h o w n i n f i g u r e 5 ) . l i k e t h e l i n e i n p u t s , t h e l h p o u t a n d r h p o u t v o l u m e s , b y d e f a u l t , a r e i n d e p e n d e n t l y a d j u s t e d b y s e t t i n g t h e l h p v o l ( r e g i s t e r r 2 , b i t d 0 t o b i t d 6 ) a n d r h p v o l ( r e g i s t e r r 3 , b i t d 0 t o b i t d 6 ) b i t s o f t h e h e a d p h o n e o u t p u t c o n t r o l r e g i s t e r s . t h e h e a d p h o n e o u t p u t s c a n b e m u t e d b y w r i t i n g c o d e s l e s s t h a n 0 1 1 0 0 0 0 t o t h e l h p v o l a n d r h p v o l b i t s . f i g u r e 3 . m i c r o p h o n e i n p u t t o a d c a d c o r s i d e t o n e i n t e r n a l c i r c u i t r y m i c i n a v d d v m i d a g n d r e x t 1 0 k  5 0 k  0 d b / 2 0 d b / 4 0 d b g a i n b o o s t f i g u r e 4 . o u t p u t s i g n a l c h a i n f i g u r e 5 . h e a d p h o n e o u t p u t l i n e o u t p u t a n d h e a d p h o n e o u t p u t a v d d v m i d a g n d b y p a s s s i d e t o n e d a c s e l l i n e i n p u t m i c r o p h o n e i n p u t d a c o u t p u t i n t e r n a l c i r c u i t r y r h p o u t o r l h p o u t d a c / s i d e t o n e / b y p a s s a v d d v m i d a g n d + ? i n t e r n a l c i r c u i t r y
r e v . a | p a g e 6 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c t h e p r o g r a m m e r c a n s i m u l t a n e o u s l y l o a d t h e v o l u m e c o n t r o l o f b o t h c h a n n e l s b y w r i t i n g t o t h e l r h p b o t h ( r e g i s t e r r 2 , b i t d 8 ) a n d r l h p b o t h ( r e g i s t e r r 3 , b i t d 8 ) b i t s o f t h e l e f t - o r r i g h t - c h a n n e l d a c v o l u m e r e g i s t e r s . t h e m a x i m u m o u t p u t l e v e l o f t h e h e a d p h o n e o u t p u t s i s 1 . 0 v r m s w h e n a v d d a n d h p v d d = 3 . 3 v . t o s u p p r e s s a u d i - b l e p o p s a n d c l i c k s , t h e h e a d p h o n e a n d l i n e o u t p u t s a r e h e l d a t t h e v m i d d c v o l t a g e l e v e l w h e n t h e d e v i c e i s s e t t o s t a n d b y m o d e o r w h e n t h e h e a d p h o n e o u t p u t s a r e m u t e d . t h e s t e r e o l i n e o u t p u t s o f t h e c o d e c , t h e l o u t a n d r o u t p i n s , c a n d r i v e a l o a d i m p e d a n c e o f 1 0 k  a n d 5 0 p f . t h e l i n e o u t p u t s i g n a l l e v e l s a r e n o t a d j u s t a b l e a t t h e o u t p u t m i x e r , w h i c h h a s a f i x e d g a i n o f 0 d b . t h e m a x i m u m o u t p u t l e v e l o f t h e l i n e o u t - p u t s i s 1 . 0 v r m s w h e n a v d d = 3 . 3 v . d i g i t a l a u d i o i n t e r f a c e t h e d i g i t a l a u d i o i n p u t c a n s u p p o r t t h e f o l l o w i n g d i g i t a l a u d i o c o m m u n i c a t i o n p r o t o c o l s : r i g h t - j u s t i f i e d m o d e , l e f t - j u s t i f i e d m o d e , i 2 s m o d e , a n d f r a m e s y n c m o d e . s e e f i g u r e 6 o n p a g e 6 t h r o u g h f i g u r e 1 0 o n p a g e 7 . t h e m o d e s e l e c t i o n i s p e r f o r m e d b y w r i t i n g t o t h e f o r m a t b i t s o f t h e d i g i t a l a u d i o i n t e r f a c e r e g i s t e r ( r e g i s t e r r 7 , b i t d 1 a n d b i t d 0 ) . a l l m o d e s a r e m s b f i r s t a n d o p e r a t e w i t h d a t a o f 1 6 t o 3 2 b i t s . f i g u r e 6 . l e f t - j u s t i f i e d a u d i o i n p u t m o d e f i g u r e 7 . r i g h t - j u s t i f i e d a u d i o i n p u t m o d e a d c l r c / d a c l r c c o d e c _ b c l k a d c d a t / d a c d a t 1 2 3 4 n x x x x n 1 2 l e f t c h a n n e l 3 r i g h t c h a n n e l 1 / f s x = d o n ? t c a r e . a d c l r c / d a c l r c c o d e c _ b c l k a d c d a t / d a c d a t l e f t c h a n n e l r i g h t c h a n n e l 1 / f s x = d o n ? t c a r e . x n x 3 2 1 x x n 4 4 3 2 1
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 7 o f 3 6 | m a r c h 2 0 1 0 f i g u r e 8 . i 2 s a u d i o i n p u t m o d e f i g u r e 9 . f r a m e s y n c / p c m m o d e a u d i o i n p u t ( s u b m o d e 1 ) [ b i t l r p = 0 ] f i g u r e 1 0 . f r a m e s y n c / p c m m o d e a u d i o i n p u t ( s u b m o d e 2 ) [ b i t l r p = 1 ] a d c l r c / d a c l r c c o d e c _ b c l k a d c d a t / d a c d a t 1 2 3 4 x x n l e f t c h a n n e l r i g h t c h a n n e l 1 / f s x = d o n ? t c a r e . n x 1 2 3 x a d c l r c / d a c l r c c o d e c _ b c l k a d c d a t / d a c d a t l e f t c h a n n e l r i g h t c h a n n e l 1 / f s x = d o n ? t c a r e . 2 3 1 1 2 3 n x x x n a d c l r c / d a c l r c c o d e c _ b c l k a d c d a t / d a c d a t l e f t c h a n n e l r i g h t c h a n n e l 1 / f s x = d o n ? t c a r e . 2 3 1 x 1 2 3 n x x n
r e v . a | p a g e 8 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e c o r d i n g m o d e t h e d i g i t a l a u d i o i n t e r f a c e s e n d s t h e a d c d i g i t a l f i l t e r d a t a t o t h e a d c d a t o u t p u t p i n f o r r e c o r d i n g . t h e a d c d a t d a t a s t r e a m m u l t i p l e x e s t h e l e f t - a n d r i g h t - c h a n n e l a u d i o d a t a i n t h e t i m e d o m a i n . t h e a d c l r c c l o c k s i g n a l s e p a r a t e s l e f t - a n d r i g h t - c h a n n e l d i g i t a l a u d i o f r a m e s o n t h e a d c d a t l i n e s . t h e c o d e c _ b c l k s i g n a l c l o c k s t h e d i g i t a l a u d i o d a t a w i t h i n t h e f r a m e s . t h e c o d e c _ b c l k s i g n a l i s e i t h e r a n i n p u t o r a n o u t p u t d e p e n d i n g o n w h e t h e r t h e c o d e c i s i n m a s t e r o r s l a v e m o d e . d u r i n g a r e c o r d i n g o p e r a t i o n , a d c d a t a n d a d c l r c m u s t b e s y n c h r o n o u s t o t h e c o d e c _ b c l k s i g n a l t o a v o i d d a t a c o r r u p t i o n . p l a y b a c k m o d e t h e d i g i t a l a u d i o i n t e r f a c e r e c e i v e s d a t a o n t h e d a c d a t i n p u t p i n f o r p l a y b a c k . t h e d i g i t a l a u d i o d a t a s t r e a m o n t h e d a c d a t p i n i s t i m e - d o m a i n - m u l t i p l e x e d l e f t a n d r i g h t c h a n n e l a u d i o d a t a . t h e d a c l r c c l o c k s i g n a l s e p a r a t e s l e f t a n d r i g h t c h a n n e l d i g i t a l a u d i o f r a m e s o n t h e d a c d a t l i n e s . t h e c o d e c _ b c l k s i g n a l c l o c k s t h e d i g i t a l a u d i o d a t a w i t h i n t h e f r a m e s . t h e c o d e c _ b c l k s i g n a l i s e i t h e r a n i n p u t o r a n o u t p u t d e p e n d i n g o n w h e t h e r t h e c o d e c i s i n m a s t e r o r s l a v e m o d e . d u r i n g a p l a y b a c k o p e r a t i o n , d a c d a t a n d d a c l r c m u s t b e s y n c h r o n o u s t o t h e c o d e c _ b c l k s i g n a l t o a v o i d d a t a c o r r u p t i o n . d i g i t a l a u d i o d a t a s a m p l i n g r a t e t o a c c o m m o d a t e a w i d e v a r i e t y o f c o m m o n l y u s e d d a c a n d a d c s a m p l i n g r a t e s , t h e c o d e c a l l o w s f o r t w o m o d e s o f o p e r a - t i o n , n o r m a l a n d u s b , s e l e c t e d b y t h e u s b b i t ( r e g i s t e r r 8 , b i t d 0 ) . t h e s a m p l i n g r a t e i s g e n e r a t e d a s a f i x e d d i v i d e r f r o m t h e c o d e c _ m c l k s i g n a l . b e c a u s e a l l a u d i o p r o c e s s i n g r e f e r e n c e s t h e c o d e c _ m c l k s i g n a l , c o r r u p t i o n o f t h i s s i g n a l w i l l c o r r u p t t h e q u a l i t y o f t h e a u d i o a t t h e c o d e c o u t p u t . t h e a d c l r c / a d c d a t / c o d e c _ b c l k o r d a c l r c / d a c d a t / c o d e c _ b c l k s i g n a l s m u s t b e s y n c h r o n i z e d w i t h c o d e c _ m c l k i n t h e d i g i t a l a u d i o i n t e r f a c e c i r c u i t . c o d e c _ m c l k m u s t b e f a s t e r o r e q u a l t o t h e c o d e c _ b c l k f r e q u e n c y t o g u a r a n t e e t h a t n o d a t a i s l o s t d u r i n g d a t a s y n c h r o - n i z a t i o n . t h e c o d e c _ b c l k f r e q u e n c y s h o u l d b e g r e a t e r t h a n t h e s a m p l i n g r a t e w o r d l e n g t h 2 . e n s u r i n g t h a t t h e c o d e c _ b c l k f r e q u e n c y i s g r e a t e r t h a n t h i s , g u a r a n t e e s t h a t a l l v a l i d d a t a b i t s a r e c a p t u r e d b y t h e d i g i t a l a u d i o i n t e r f a c e c i r - c u i t r y . f o r e x a m p l e , i f a 3 2 k h z d i g i t a l a u d i o s a m p l i n g r a t e w i t h a 3 2 - b i t w o r d l e n g t h i s d e s i r e d , c o d e c _ b c l k = 2 . 0 4 8 m h z .
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 9 o f 3 6 | m a r c h 2 0 1 0 n o r m a l m o d e i n n o r m a l m o d e , t h e c o d e c s u p p o r t s d i g i t a l a u d i o s a m p l i n g r a t e s f r o m 8 k h z t o 9 6 k h z . n o r m a l m o d e s u p p o r t s 2 5 6 f s a n d 3 8 4 f s b a s e d c l o c k s . t o s e l e c t t h e d e s i r e d s a m p l i n g r a t e , t h e p r o g r a m m e r m u s t s e t t h e a p p r o p r i a t e s a m p l i n g r a t e r e g i s t e r i n t h e s r c o n t r o l b i t s ( r e g i s t e r r 8 , b i t d 2 t o b i t d 5 ) a n d m a t c h t h i s s e l e c t i o n t o t h e c o r e c l o c k f r e q u e n c y t h a t i s p u l s e d o n t h e c o d e c _ m c l k p i n . s e e t a b l e 1 f o r s a m p l i n g r a t e s i n n o r m a l m o d e . t a b l e 1 . s a m p l i n g r a t e l o o k u p t a b l e , n o r m a l m o d e ( u s b d i s a b l e d ) c o d e c _ m c l k ( c l k d i v 2 = 0 ) c o d e c _ m c l k ( c l k d i v 2 = 1 ) a d c s a m p l i n g r a t e ( a d c l r c ) d a c s a m p l i n g r a t e ( d a c l r c ) u s b s r [ 3 : 0 ] b o s r c o d e c _ b c l k ( m s = 1 ) 1 1 2 . 2 8 8 m h z 2 4 . 5 7 6 m h z 8 k h z ( c o d e c _ m c l k / 1 5 3 6 ) 8 k h z ( c o d e c _ m c l k / 1 5 3 6 ) 0 0 0 1 1 0 c o d e c _ m c l k / 4 8 k h z ( c o d e c _ m c l k / 1 5 3 6 ) 4 8 k h z ( c o d e c _ m c l k / 2 5 6 ) 0 0 0 1 0 0 c o d e c _ m c l k / 4 1 2 k h z ( c o d e c _ m c l k / 1 0 2 4 ) 1 2 k h z ( c o d e c _ m c l k / 1 0 2 4 ) 0 0 1 0 0 0 c o d e c _ m c l k / 4 1 6 k h z ( c o d e c _ m c l k / 7 6 8 ) 1 6 k h z ( c o d e c _ m c l k / 7 6 8 ) 0 0 1 0 1 0 c o d e c _ m c l k / 4 2 4 k h z ( c o d e c _ m c l k / 5 1 2 ) 2 4 k h z ( c o d e c _ m c l k / 5 1 2 ) 0 1 1 1 0 0 c o d e c _ m c l k / 4 3 2 k h z ( c o d e c _ m c l k / 3 8 4 ) 3 2 k h z ( c o d e c _ m c l k / 3 8 4 ) 0 0 1 1 0 0 c o d e c _ m c l k / 4 4 8 k h z ( c o d e c _ m c l k / 2 5 6 ) 8 k h z ( c o d e c _ m c l k / 1 5 3 6 ) 0 0 0 0 1 0 c o d e c _ m c l k / 4 4 8 k h z ( c o d e c _ m c l k / 2 5 6 ) 4 8 k h z ( c o d e c _ m c l k / 2 5 6 ) 0 0 0 0 0 0 c o d e c _ m c l k / 4 9 6 k h z ( c o d e c _ m c l k / 1 2 8 ) 9 6 k h z ( c o d e c _ m c l k / 1 2 8 ) 0 0 1 1 1 0 c o d e c _ m c l k / 2 1 1 . 2 8 9 6 m h z 2 2 . 5 7 9 2 m h z 8 . 0 1 8 2 k h z ( c o d e c _ m c l k / 1 4 0 8 ) 8 . 0 1 8 2 k h z ( c o d e c _ m c l k / 1 4 0 8 ) 0 1 0 1 1 0 c o d e c _ m c l k / 4 8 . 0 1 8 2 k h z ( c o d e c _ m c l k / 1 4 0 8 ) 4 4 . 1 k h z ( c o d e c _ m c l k / 2 5 6 ) 0 1 0 1 0 0 c o d e c _ m c l k / 4 1 1 . 0 2 5 k h z ( c o d e c _ m c l k / 1 0 2 4 ) 1 1 . 0 2 5 k h z ( c o d e c _ m c l k / 1 0 2 4 ) 0 1 1 0 0 0 c o d e c _ m c l k / 4 2 2 . 0 5 k h z ( c o d e c _ m c l k / 5 1 2 ) 2 2 . 0 5 k h z ( c o d e c _ m c l k / 5 1 2 ) 0 1 1 0 1 0 c o d e c _ m c l k / 4 4 4 . 1 k h z ( c o d e c _ m c l k / 2 5 6 ) 8 . 0 1 8 2 k h z ( c o d e c _ m c l k / 1 4 0 8 ) 0 1 0 0 1 0 c o d e c _ m c l k / 4 4 4 . 1 k h z ( c o d e c _ m c l k / 2 5 6 ) 4 4 . 1 k h z ( c o d e c _ m c l k / 2 5 6 ) 0 1 0 0 0 0 c o d e c _ m c l k / 4 8 8 . 2 k h z ( c o d e c _ m c l k / 1 2 8 ) 8 8 . 2 k h z ( c o d e c _ m c l k / 1 2 8 ) 0 1 1 1 1 0 c o d e c _ m c l k / 2 1 8 . 4 3 2 m h z 3 6 . 8 6 4 m h z 8 k h z ( c o d e c _ m c l k / 2 3 0 4 ) 8 k h z ( c o d e c _ m c l k / 2 3 0 4 ) 0 0 0 1 1 1 c o d e c _ m c l k / 6 8 k h z ( c o d e c _ m c l k / 2 3 0 4 ) 4 8 k h z ( c o d e c _ m c l k / 3 8 4 ) 0 0 0 1 0 1 c o d e c _ m c l k / 6 1 2 k h z ( c o d e c _ m c l k / 1 5 3 6 ) 1 2 k h z ( c o d e c _ m c l k / 1 5 3 6 ) 0 0 1 0 0 1 c o d e c _ m c l k / 6 1 6 k h z ( c o d e c _ m c l k / 1 1 5 2 ) 1 6 k h z ( c o d e c _ m c l k / 1 1 5 2 ) 0 0 1 0 1 1 c o d e c _ m c l k / 6 2 4 k h z ( c o d e c _ m c l k / 7 6 8 ) 2 4 k h z ( c o d e c _ m c l k / 7 6 8 ) 0 1 1 1 0 1 c o d e c _ m c l k / 6 3 2 k h z ( c o d e c _ m c l k / 5 7 6 ) 3 2 k h z ( c o d e c _ m c l k / 5 7 6 ) 0 0 1 1 0 1 c o d e c _ m c l k / 6 4 8 k h z ( c o d e c _ m c l k / 3 8 4 ) 4 8 k h z ( c o d e c _ m c l k / 3 8 4 ) 0 0 0 0 0 1 c o d e c _ m c l k / 6 4 8 k h z ( c o d e c _ m c l k / 3 8 4 ) 8 k h z ( c o d e c _ m c l k / 2 3 0 4 ) 0 0 0 0 1 1 c o d e c _ m c l k / 6 9 6 k h z ( c o d e c _ m c l k / 1 9 2 ) 9 6 k h z ( c o d e c _ m c l k / 1 9 2 ) 0 0 1 1 1 1 c o d e c _ m c l k / 3 1 6 . 9 3 4 4 m h z 3 3 . 8 6 8 8 m h z 8 . 0 1 8 2 k h z ( c o d e c _ m c l k / 2 1 1 2 ) 8 . 0 1 8 2 k h z ( c o d e c _ m c l k / 2 1 1 2 ) 0 1 0 1 1 1 c o d e c _ m c l k / 6 8 . 0 1 8 2 k h z ( c o d e c _ m c l k / 2 1 1 2 ) 4 4 . 1 k h z ( c o d e c _ m c l k / 3 8 4 ) 0 1 0 1 0 1 c o d e c _ m c l k / 6 1 1 . 0 2 5 k h z ( c o d e c _ m c l k / 1 5 3 6 ) 1 1 . 0 2 5 k h z ( c o d e c _ m c l k / 1 5 3 6 ) 0 1 1 0 0 1 c o d e c _ m c l k / 6 2 2 . 0 5 k h z ( c o d e c _ m c l k / 7 6 8 ) 2 2 . 0 5 k h z ( c o d e c _ m c l k / 7 6 8 ) 0 1 1 0 1 1 c o d e c _ m c l k / 6 4 4 . 1 k h z ( c o d e c _ m c l k / 3 8 4 ) 8 . 0 1 8 2 k h z ( c o d e c _ m c l k / 2 1 1 2 ) 0 1 0 0 1 1 c o d e c _ m c l k / 6 4 4 . 1 k h z ( c o d e c _ m c l k / 3 8 4 ) 4 4 . 1 k h z ( c o d e c _ m c l k / 3 8 4 ) 0 1 0 0 0 1 c o d e c _ m c l k / 6 8 8 . 2 k h z ( c o d e c _ m c l k / 1 9 2 ) 8 8 . 2 k h z ( c o d e c _ m c l k / 1 9 2 ) 0 1 1 1 1 1 c o d e c _ m c l k / 3 1 c o d e c _ b c l k f r e q u e n c y i s f o r m a s t e r m o d e a n d s l a v e r i g h t - j u s t i f i e d m o d e o n l y .
r e v . a | p a g e 1 0 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c u s b m o d e i n u s b m o d e , t h e c o d e c s u p p o r t s d i g i t a l a u d i o s a m p l i n g r a t e s f r o m 8 k h z t o 9 6 k h z . u s b m o d e i s e n a b l e d o n t h e c o d e c t o s u p p o r t t h e c o m m o n u n i v e r s a l s e r i a l b u s ( u s b ) c l o c k r a t e o f 1 2 m h z , o r t o s u p p o r t 2 4 m h z i f t h e c l k d i v 2 c o n t r o l r e g i s t e r b i t i s a c t i v a t e d . t h e p r o g r a m m e r m u s t s e t t h e a p p r o p r i a t e s a m - p l i n g r a t e i n t h e s r c o n t r o l b i t s ( r e g i s t e r r 8 , b i t d 2 t o b i t d 5 ) . s e e t a b l e 2 f o r s a m p l i n g r a t e s i n u s b m o d e . t a b l e 2 . s a m p l i n g r a t e l o o k u p t a b l e , u s b m o d e ( u s b e n a b l e d ) c o d e c _ m c l k ( c l k d i v 2 = 0 ) c o d e c _ m c l k ( c l k d i v 2 = 1 ) a d c s a m p l i n g r a t e ( a d c l r c ) d a c s a m p l i n g r a t e ( d a c l r c ) u s b s r [ 3 : 0 ] b o s r c o d e c _ b c l k ( m s = 1 ) 1 1 2 . 0 0 0 m h z 2 4 . 0 0 0 m h z 8 k h z ( c o d e c _ m c l k / 1 5 0 0 ) 8 k h z ( c o d e c _ m c l k / 1 5 0 0 ) 1 0 0 1 1 0 c o d e c _ m c l k 8 k h z ( c o d e c _ m c l k / 1 5 0 0 ) 4 8 k h z ( c o d e c _ m c l k / 2 5 0 ) 1 0 0 1 0 0 c o d e c _ m c l k 8 . 0 2 1 4 k h z ( c o d e c _ m c l k / 1 4 9 6 ) 8 . 0 2 1 4 k h z ( c o d e c _ m c l k / 1 4 9 6 ) 1 1 0 1 1 1 c o d e c _ m c l k 8 . 0 2 1 4 k h z ( c o d e c _ m c l k / 1 4 9 6 ) 4 4 . 1 1 8 k h z ( c o d e c _ m c l k / 2 7 2 ) 1 1 0 1 0 1 c o d e c _ m c l k 1 1 . 0 2 5 9 k h z ( c o d e c _ m c l k / 1 0 8 8 ) 1 1 . 0 2 5 9 k h z ( c o d e c _ m c l k / 1 0 8 8 ) 1 1 1 0 0 1 c o d e c _ m c l k 1 2 k h z ( c o d e c _ m c l k / 1 0 0 0 ) 1 2 k h z ( c o d e c _ m c l k / 1 0 0 0 ) 1 1 0 0 0 0 c o d e c _ m c l k 1 6 k h z ( c o d e c _ m c l k / 7 5 0 ) 1 6 k h z ( c o d e c _ m c l k / 7 5 0 ) 1 1 0 1 0 0 c o d e c _ m c l k 2 2 . 0 5 8 8 k h z ( c o d e c _ m c l k / 5 4 4 ) 2 2 . 0 5 8 8 k h z ( c o d e c _ m c l k / 5 4 4 ) 1 1 1 0 1 1 c o d e c _ m c l k 2 4 k h z ( c o d e c _ m c l k / 5 0 0 ) 2 4 k h z ( c o d e c _ m c l k / 5 0 0 ) 1 1 1 1 0 0 c o d e c _ m c l k 3 2 k h z ( c o d e c _ m c l k / 3 7 5 ) 3 2 k h z ( c o d e c _ m c l k / 3 7 5 ) 1 0 1 1 0 0 c o d e c _ m c l k 4 4 . 1 1 8 k h z ( c o d e c _ m c l k / 2 7 2 ) 8 . 0 2 1 4 k h z ( c o d e c _ m c l k / 1 4 9 6 ) 1 1 0 0 1 1 c o d e c _ m c l k 4 4 . 1 1 8 k h z ( c o d e c _ m c l k / 2 7 2 ) 4 4 . 1 1 8 k h z ( c o d e c _ m c l k / 2 7 2 ) 1 1 0 0 0 1 c o d e c _ m c l k 4 8 k h z ( c o d e c _ m c l k / 2 5 0 ) 8 k h z ( c o d e c _ m c l k / 1 5 0 0 ) 1 0 0 0 1 0 c o d e c _ m c l k 4 8 k h z ( c o d e c _ m c l k / 2 5 0 ) 4 8 k h z ( c o d e c _ m c l k / 2 5 0 ) 1 0 0 0 0 0 c o d e c _ m c l k 8 8 . 2 3 5 k h z ( c o d e c _ m c l k / 1 3 6 ) 8 8 . 2 3 5 k h z ( c o d e c _ m c l k / 1 3 6 ) 1 1 1 1 1 1 c o d e c _ m c l k 9 6 k h z ( c o d e c _ m c l k / 1 2 5 ) 9 6 k h z ( c o d e c _ m c l k / 1 2 5 ) 1 0 1 1 1 0 c o d e c _ m c l k 1 c o d e c _ b c l k f r e q u e n c y i s f o r m a s t e r m o d e a n d s l a v e r i g h t - j u s t i f i e d m o d e o n l y .
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 1 1 o f 3 6 | m a r c h 2 0 1 0 s o f t w a r e c o n t r o l i n t e r f a c e t h e s o f t w a r e c o n t r o l i n t e r f a c e p r o v i d e s a c c e s s t o t h e p r o g r a m m e r - s e l e c t a b l e c o n t r o l r e g i s t e r s a n d c a n o p e r a t e w i t h a 2 - w i r e ( t w i ) o r 3 - w i r e ( s p i ) i n t e r f a c e , d e p e n d i n g o n t h e s e t t i n g o f t h e c m o d e p i n . i f t h e c m o d e p i n i s s e t t o 0 , t h e 2 - w i r e i n t e r f a c e i s s e l e c t e d ; i f 1 , t h e 3 - w i r e i n t e r f a c e i s s e l e c t e d . w i t h i n e a c h c o n t r o l r e g i s t e r i s a c o n t r o l d a t a - w o r d c o n s i s t i n g o f 1 6 b i t s , m s b f i r s t . b i t b 1 5 t o b i t b 9 a r e t h e r e g i s t e r m a p a d d r e s s , a n d b i t b 8 t o b i t b 0 a r e r e g i s t e r d a t a f o r t h e a s s o c i a t e d r e g i s t e r m a p . w h e n 2 - w i r e ( t w i ) m o d e i s s e l e c t e d , c s d a g e n e r a t e s t h e s e r i a l c o n t r o l d a t a - w o r d ; c s c l c l o c k s t h e s e r i a l d a t a ; a n d c s b d e t e r - m i n e s t h e t w i d e v i c e a d d r e s s . i f t h e c s b p i n i s s e t t o 0 , t h e a d d r e s s s e l e c t e d i s 0 0 1 1 0 1 0 ; i f 1 , t h e a d d r e s s i s 0 0 1 1 0 1 1 . w h e n 3 - w i r e ( s p i ) m o d e i s s e l e c t e d , c s d a g e n e r a t e s t h e c o n - t r o l d a t a - w o r d , c s c l c l o c k s t h e c o n t r o l d a t a - w o r d i n t o t h e c o d e c , a n d c s b l a t c h e s i n t h e c o n t r o l d a t a - w o r d . f i g u r e 1 1 . c o d e c s p i s e r i a l i n t e r f a c e f i g u r e 1 2 . c o d e c t w i s e r i a l i n t e r f a c e b 1 5 b 1 4 c s b c s c l c s d a b 0 b 0 1 b 0 2 b 0 3 b 0 4 b 0 5 b 0 6 b 0 7 b 0 8 b 0 9 b 1 0 b 1 1 b 1 2 b 1 3 r e g i s t e r m a p a d d r e s s r e g i s t e r d a t a p 9 8 1 ? 7 9 8 1 ? 7 9 8 1 ? 7 s c s d a c s c l s t a r t a d d r r / w a c k a c k s u b a d d r e s s a c k s t o p d a t a f i g u r e 1 3 . c o d e c t w i w r i t e a n d r e a d s e q u e n c e s w r i t e s e q u e n c e r e a d s e q u e n c e s a 1 a 7 a 0 a ( s ) a ( s ) s b 1 5 b 9 0 0 1 0 p 0 . . . a 1 a 7 a 0 a ( s ) . . . b 0 b 8 b 7 a ( m ) a ( m ) . . . b 0 b 7 p . . . . . . . . . d e v i c e a d d r e s s d e v i c e a d d r e s s r e g i s t e r a d d r e s s s a 1 a 7 a 0 a ( s ) a ( s ) a ( s ) b 1 5 b 9 b 8 0 . . . . . . d e v i c e a d d r e s s r e g i s t e r a d d r e s s r e g i s t e r d a t a ( s l a v e d r i v e ) r e g i s t e r d a t a s / p = s t a r t / s t o p b i t . a 0 = i 2 c r / w b i t . a ( s ) = a c k n o w l e d g e b y s l a v e . a ( m ) = a c k n o w l e d g e b y m a s t e r . a ( m ) = a c k n o w l e d g e b y m a s t e r ( i n v e r s i o n ) .
r e v . a | p a g e 1 2 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c c o d e c p i n d e s c r i p t i o n s t a b l e 3 s h o w s t h e s i g n a l s a d d e d t o t h e a d s p - b f 5 2 x c p r o c e s s o r f o r t h e e m b e d d e d c o d e c . p l e a s e r e f e r t o t h e p u b l i s h e d a d s p - b f 5 2 x d a t a s h e e t f o r d e s c r i p t i o n s o f o t h e r s i g n a l s f o r t h e p r o c e s s o r . t a b l e 3 . c o d e c p i n d e s c r i p t i o n s p i n n a m e t y p e f u n c t i o n p u l l - u p / d o w n c o d e c c o d e c _ c l k o u t o c o d e c c l o c k o u t p u t n o n e c o d e c _ b c l k i / o c o d e c d i g i t a l a u d i o b i t c l o c k i n t e r n a l p u l l - d o w n 1 d a c d a t i c o d e c d i g i t a l a u d i o d a t a ( d a c ) i n p u t n o n e d a c l r c i / o c o d e c d a c s a m p l e r a t e l e f t / r i g h t c l o c k i n t e r n a l p u l l - d o w n 1 a d c d a t o c o d e c a d c d i g i t a l a u d i o d a t a o u t p u t n o n e a d c l r c i / o c o d e c a d c s a m p l e r a t e l e f t / r i g h t c l o c k i n t e r n a l p u l l - d o w n 1 c m o d e i c o d e c c o n t r o l i n t e r f a c e s e l e c t i o n i n t e r n a l p u l l - u p 1 c s b i c o d e c c h i p s e l e c t i n t e r f a c e a d d r e s s s e l e c t i o n i n t e r n a l p u l l - u p 1 c s d a i / o c o d e c d a t a i n p u t n o n e c s c l i / o c o d e c d a t a c l o c k n o n e x t i / c o d e c _ m c l k i c o d e c c r y s t a l i n p u t / c l o c k i n p u t n o n e x t o o c o d e c c r y s t a l o u t p u t n o n e l h p o u t o c o d e c l e f t c h a n n e l h e a d p h o n e o u t p u t ( a n a l o g o u t p u t ) n o n e r h p o u t o c o d e c r i g h t c h a n n e l h e a d p h o n e o u t p u t ( a n a l o g o u t p u t ) n o n e l o u t o c o d e c l e f t c h a n n e l l i n e o u t p u t ( a n a l o g o u t p u t ) n o n e r o u t o c o d e c r i g h t c h a n n e l l i n e o u t p u t ( a n a l o g o u t p u t ) n o n e v m i d o c o d e c m i d - r a i l r e f e r e n c e d e c o u p l i n g p o i n t ( a n a l o g o u t p u t ) n o n e m i c b i a s o c o d e c e l e c t r e t m i c r o p h o n e b i a s ( a n a l o g o u t p u t ) n o n e m i c i n i c o d e c m i c r o p h o n e i n p u t ; ( a n a l o g i n p u t , a c c o u p l e d ) n o n e r l i n e i n i c o d e c r i g h t c h a n n e l l i n e i n p u t ( a n a l o g i n p u t , a c c o u p l e d ) n o n e l l i n e i n i c o d e c l e f t c h a n n e l l i n e i n p u t ( a n a l o g i n p u t , a c c o u p l e d ) n o n e a v d d p c o d e c a n a l o g v d d n / a a g n d p c o d e c a n a l o g g r o u n d n / a c v d d p c o d e c d i g i t a l v d d n / a h p v d d p c o d e c a n a l o g h e a d p h o n e v d d n / a h p g n d p c o d e c h e a d p h o n e g r o u n d n / a 1 t o c o n s e r v e p o w e r , t h e p u l l - u p / p u l l - d o w n i s o n l y p r e s e n t w h e n t h e c o n t r o l r e g i s t e r i n t e r f a c e i s a c t i v e ( = 0 ) .
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 1 3 o f 3 6 | m a r c h 2 0 1 0 f i g u r e 1 4 o n p a g e 1 3 a n d f i g u r e 1 5 o n p a g e 1 4 d e s c r i b e a l t e r n a - t i v e e x t e r n a l c o n n e c t i o n s f o r s p i o r t w i c o n t r o l o f t h e a d s p - b f 5 2 x c c o d e c . t h e f i g u r e s a r e t h e s a m e e x c e p t f o r t h e s h a d e d a r e a i n e a c h . f i g u r e 1 4 . r e c o m m e n d e d a p p l i c a t i o n c i r c u i t u s i n g s p i c o n t r o l 1 0 k  a v d d s p i a d s p - b f 5 2 x c c o d e c r h p o u t v m i d c o d e c _ c l k o u t l o u t + l h p o u t + a v d d a g n d a v d d r o u t + + + r l i n e i n m i c b i a s d a c l r c d a c d a t a d c l r c a d c d a t l l i n e i n m i c i n r m i c c o d e c _ b c l k t f s x d t x p r i r f s x d r x p r i r s c l k x + 1 0  f 1 0  f 1  f 1  f 2 2 0  f 2 2 0  f 0 . 1  f 0 . 1  f 4 7 k  4 7 k  4 7 k  4 7 k  1 0 0  1 0 0  1 0 0  x t o x t i / c o d e c _ m c l k x 1 c p c p 6 8 0  4 7 k  + h p v d d h p g n d h p v d d 1 0  f 0 . 1  f + c s d a c s b c s c l c m o d e b l a c k f i n p r o c e s s o r s d a s c l s p i s e l x m o s i s c k + 1  f 1 0 0 k  1 0 m  2 2 0 p f + 1  f 1 0 0 k  1 0 m  2 2 0 p f
r e v . a | p a g e 1 4 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c f i g u r e 1 5 . r e c o m m e n d e d a p p l i c a t i o n c i r c u i t u s i n g t w i c o n t r o l 1 0 k  1 0 k  a v d d a v d d t w i r r s e e v e r s i o n 2 . 1 o f t h e i 2 c s p e c i f i c a t i o n f o r t h e p r o p e r r e s i s t o r v a l u e . a d s p - b f 5 2 x c c o d e c r h p o u t v m i d c o d e c _ c l k o u t l o u t + l h p o u t + a v d d a g n d a v d d r o u t + + + r l i n e i n m i c b i a s d a c l r c d a c d a t a d c l r c a d c d a t l l i n e i n m i c i n r m i c c o d e c _ b c l k t f s x d t x p r i r f s x d r x p r i r s c l k x + 1 0  f 1 0  f 1  f 1  f 2 2 0  f 2 2 0  f 0 . 1  f 0 . 1  f 4 7 k  4 7 k  4 7 k  4 7 k  1 0 0  1 0 0  1 0 0  x t o x t i / c o d e c _ m c l k x 1 c p c p 6 8 0  4 7 k  + 1  f 1 0 0 k  1 0 m  2 2 0 p f + h p v d d h p g n d h p v d d 1 0  f 0 . 1  f + c s d a c s b c s c l c m o d e b l a c k f i n p r o c e s s o r s d a s c l s p i s e l x m o s i s c k + 1  f 1 0 0 k  1 0 m  2 2 0 p f
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 1 5 o f 3 6 | m a r c h 2 0 1 0 r e g i s t e r d e t a i l s r e g i s t e r a d d r e s s b 8 b 7 b 6 b 5 b 4 b 3 b 2 b 1 b 0 r e g i s t e r 0 l e f t - c h a n n e l a d c i n p u t v o l u m e o n p a g e 1 6 0 x 0 0 l r i n b o t h l i n m u t e 0 l i n v o l d e f a u l t = 0 1 0 0 1 0 1 1 1 r e g i s t e r 1 r i g h t - c h a n n e l a d c i n p u t v o l u m e o n p a g e 1 7 0 x 0 1 r l i n b o t h r i n m u t e 0 r i n v o l d e f a u l t = 0 1 0 0 1 0 1 1 1 r e g i s t e r 2 l e f t - c h a n n e l d a c v o l u m e o n p a g e 1 7 0 x 0 2 l r h p b o t h l z c e n l h p v o l d e f a u l t = 0 0 1 1 1 1 0 0 1 r e g i s t e r 3 r i g h t - c h a n n e l d a c v o l u m e o n p a g e 1 8 0 x 0 3 r l h p b o t h r z c e n r h p v o l d e f a u l t = 0 0 1 1 1 1 0 0 1 r e g i s t e r 4 a n a l o g a u d i o p a t h o n p a g e 1 8 0 x 0 4 m i c b o o s t 2 s i d e a t t [ 1 : 0 ] s i d e t o n e d a c s e l b y p a s s i n s e l m u t e m i c m i c b o o s t d e f a u l t = 0 0 0 0 0 1 0 1 0 r e g i s t e r 5 d i g i t a l a u d i o p a t h o n p a g e 1 9 0 x 0 5 0 0 0 0 h p o r d a c m u d e e m p h [ 1 : 0 ] a d c h p d d e f a u l t = 0 0 0 0 0 1 0 0 0 r e g i s t e r 6 p o w e r m a n a g e m e n t o n p a g e 1 9 0 x 0 6 0 p o w e r o f f c l k o u t p d o s c p d o u t p d d a c p d a d c p d m i c p d l i n e i n p d d e f a u l t = 0 1 0 0 1 1 1 1 1 r e g i s t e r 7 d i g i t a l a u d i o i / f o n p a g e 2 0 0 x 0 7 0 b c l k i n v m s l r s w a p l r p w l [ 1 : 0 ] f o r m a t [ 1 : 0 ] d e f a u l t = 0 0 0 0 0 1 0 1 0 r e g i s t e r 8 s a m p l i n g r a t e o n p a g e 2 0 0 x 0 8 0 c l k o d i v 2 c l k d i v 2 s r [ 3 : 0 ] b o s r u s b d e f a u l t = 0 0 0 0 0 0 0 0 0 r e g i s t e r 9 a c t i v e o n p a g e 2 0 0 x 0 9 0 0 0 0 0 0 0 0 a c t i v e d e f a u l t = 0 0 0 0 0 0 0 0 0 r e g i s t e r 1 0 s o f t w a r e r e s e t o n p a g e 2 0 0 x 0 f r e s e t d e f a u l t = 0 0 0 0 0 0 0 0 0 f i g u r e 1 6 . r e g i s t e r m a p p i n g
r e v . a | p a g e 1 6 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c b i t d e s c r i p t i o n s t a b l e 4 t h r o u g h t a b l e 1 4 o n p a g e 2 0 d e s c r i b e e a c h b i t i n t h e c o n t r o l r e g i s t e r s . t a b l e 4 . r e g i s t e r 0 l e f t - c h a n n e l a d c i n p u t v o l u m e b i t n a m e b i t s d e s c r i p t i o n s e t t i n g s l r i n b o t h b 8 l e f t - t o - r i g h t l i n e i n p u t a d c d a t a l o a d c o n t r o l 0 = d i s a b l e s i m u l t a n e o u s l o a d i n g o f l e f t - c h a n n e l a d c d a t a t o r i g h t - c h a n n e l r e g i s t e r ( d e f a u l t ) 1 = e n a b l e s i m u l t a n e o u s l o a d i n g o f l e f t - c h a n n e l a d c d a t a t o r i g h t - c h a n n e l r e g i s t e r l i n m u t e b 7 l e f t - c h a n n e l i n p u t m u t e 0 = d i s a b l e m u t e 1 = e n a b l e m u t e o n d a t a p a t h t o a d c ( d e f a u l t ) l i n v o l b [ 5 : 0 ] l e f t - c h a n n e l p g a v o l u m e c o n t r o l 0 0 0 0 0 0 = ? 3 4 . 5 d b ? 1 . 5 d b s t e p u p 0 1 0 1 1 1 = 0 d b ( d e f a u l t ) ? 1 . 5 d b s t e p u p 0 1 1 1 1 1 = 1 2 d b 1 0 0 0 0 0 = 1 3 . 5 d b 1 0 0 0 0 1 = 1 5 d b 1 0 0 0 1 0 = 1 6 . 5 d b 1 0 0 0 1 1 = 1 8 d b 1 0 0 1 0 0 = 1 9 . 5 d b 1 0 0 1 0 1 = 2 1 d b 1 0 0 1 1 0 = 2 2 . 5 d b 1 0 0 1 1 1 = 2 4 d b 1 0 1 0 0 0 = 2 5 . 5 d b 1 0 1 0 0 1 = 2 7 d b 1 0 1 0 1 0 = 2 8 . 5 d b 1 0 1 0 1 1 = 3 0 d b 1 0 1 1 0 0 = 3 1 . 5 d b 1 0 1 1 0 1 = 3 3 d b 1 1 1 1 1 1 t o 1 0 1 1 0 1 = 3 3 d b
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 1 7 o f 3 6 | m a r c h 2 0 1 0 t a b l e 5 . r e g i s t e r 1 r i g h t - c h a n n e l a d c i n p u t v o l u m e b i t n a m e b i t s d e s c r i p t i o n s e t t i n g s r l i n b o t h b 8 r i g h t - t o - l e f t l i n e i n p u t a d c d a t a l o a d c o n t r o l 0 = d i s a b l e s i m u l t a n e o u s l o a d i n g o f r i g h t - c h a n n e l a d c d a t a t o l e f t - c h a n n e l r e g i s t e r ( d e f a u l t ) 1 = e n a b l e s i m u l t a n e o u s l o a d i n g o f r i g h t - c h a n n e l a d c d a t a t o l e f t - c h a n n e l r e g i s t e r r i n m u t e b 7 r i g h t - c h a n n e l i n p u t m u t e 0 = d i s a b l e m u t e 1 = e n a b l e m u t e o n d a t a p a t h t o a d c ( d e f a u l t ) r i n v o l b [ 5 : 0 ] r i g h t - c h a n n e l p g a v o l u m e c o n t r o l 0 0 0 0 0 0 = ? 3 4 . 5 d b ? 1 . 5 d b s t e p u p 0 1 0 1 1 1 = 0 d b ( d e f a u l t ) ? 1 . 5 d b s t e p u p 0 1 1 1 1 1 = 1 2 d b 1 0 0 0 0 0 = 1 3 . 5 d b 1 0 0 0 0 1 = 1 5 d b 1 0 0 0 1 0 = 1 6 . 5 d b 1 0 0 0 1 1 = 1 8 d b 1 0 0 1 0 0 = 1 9 . 5 d b 1 0 0 1 0 1 = 2 1 d b 1 0 0 1 1 0 = 2 2 . 5 d b 1 0 0 1 1 1 = 2 4 d b 1 0 1 0 0 0 = 2 5 . 5 d b 1 0 1 0 0 1 = 2 7 d b 1 0 1 0 1 0 = 2 8 . 5 d b 1 0 1 0 1 1 = 3 0 d b 1 0 1 1 0 0 = 3 1 . 5 d b 1 0 1 1 0 1 = 3 3 d b 1 1 1 1 1 1 t o 1 0 1 1 0 1 = 3 3 d b t a b l e 6 . r e g i s t e r 2 l e f t - c h a n n e l d a c v o l u m e b i t n a m e b i t s d e s c r i p t i o n s e t t i n g s l r h p b o t h b 8 l e f t - t o - r i g h t h e a d p h o n e v o l u m e l o a d c o n t r o l 0 = d i s a b l e s i m u l t a n e o u s l o a d i n g o f l e f t - c h a n n e l h e a d p h o n e v o l u m e d a t a t o r i g h t - c h a n n e l r e g i s t e r ( d e f a u l t ) 1 = e n a b l e s i m u l t a n e o u s l o a d i n g o f l e f t - c h a n n e l h e a d p h o n e v o l u m e d a t a t o r i g h t - c h a n n e l r e g i s t e r l z c e n b 7 l e f t - c h a n n e l z e r o c r o s s d e t e c t e n a b l e 0 = d i s a b l e ( d e f a u l t ) 1 = e n a b l e l h p v o l b [ 6 : 0 ] l e f t - c h a n n e l h e a d p h o n e v o l u m e c o n t r o l 0 0 0 0 0 0 0 t o 0 1 0 1 1 1 1 = m u t e 0 1 1 0 0 0 0 = ? 7 3 d b ?1 1 1 1 0 0 1 = 0 d b ( d e f a u l t ) ? 1 d b s t e p s u p t o 1 1 1 1 1 1 1 = + 6 d b
r e v . a | p a g e 1 8 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c t a b l e 7 . r e g i s t e r 3 r i g h t - c h a n n e l d a c v o l u m e b i t n a m e b i t s d e s c r i p t i o n s e t t i n g s r l h p b o t h b 8 r i g h t - t o - l e f t h e a d p h o n e v o l u m e l o a d c o n t r o l 0 = d i s a b l e s i m u l t a n e o u s l o a d i n g o f r i g h t - c h a n n e l h e a d p h o n e v o l u m e d a t a t o l e f t - c h a n n e l r e g i s t e r ( d e f a u l t ) 1 = e n a b l e s i m u l t a n e o u s l o a d i n g o f r i g h t - c h a n n e l h e a d p h o n e v o l u m e d a t a t o l e f t - c h a n n e l r e g i s t e r r z c e n b 7 r i g h t - c h a n n e l z e r o c r o s s d e t e c t e n a b l e 0 = d i s a b l e ( d e f a u l t ) 1 = e n a b l e r h p v o l [ 6 : 0 ] b [ 6 : 0 ] r i g h t - c h a n n e l h e a d p h o n e v o l u m e c o n t r o l 0 0 0 0 0 0 0 t o 0 1 0 1 1 1 1 = m u t e 0 1 1 0 0 0 0 = ? 7 3 d b ?1 1 1 1 0 0 1 = 0 d b ( d e f a u l t ) ? 1 d b s t e p s u p t o 1 1 1 1 1 1 1 = + 6 d b t a b l e 8 . r e g i s t e r 4 a n a l o g a u d i o p a t h b i t n a m e b i t s d e s c r i p t i o n s e t t i n g s m i c b o o s t 2 b 8 a d d i t i o n a l m i c r o p h o n e a m p l i f i e r g a i n b o o s t e r c o n t r o l 0 = 0 d b ( d e f a u l t ) 1 = 2 0 d b s i d e a t t [ 1 : 0 ] b [ 7 : 6 ] m i c r o p h o n e s i d e t o n e g a i n c o n t r o l 0 0 = ? 6 d b ( d e f a u l t ) 0 1 = ? 9 d b 1 0 = ? 1 2 d b 1 1 = ? 1 5 d b s i d e t o n e b 5 s i d e t o n e e n a b l e . a l l o w a t t e n u a t e d m i c r o p h o n e s i g n a l t o b e m i x e d a t d e v i c e o u t p u t t e r m i n a l 0 = s i d e t o n e d i s a b l e ( d e f a u l t ) 1 = s i d e t o n e e n a b l e d a c s e l b 4 d a c s e l e c t ? a l l o w d a c o u t p u t t o b e m i x e d a t d e v i c e o u t p u t t e r m i n a l 0 = d o n o t s e l e c t d a c ( d e f a u l t ) 1 = s e l e c t d a c b y p a s s b 3 b y p a s s s e l e c t ? a l l o w l i n e i n p u t s i g n a l t o b e m i x e d a t d e v i c e o u t p u t t e r m i n a l 0 = b y p a s s d i s a b l e 1 = b y p a s s e n a b l e ( d e f a u l t ) i n s e l b 2 l i n e i n p u t o r m i c r o p h o n e i n p u t s e l e c t t o a d c 0 = l i n e i n p u t s e l e c t t o a d c ( d e f a u l t ) 1 = m i c r o p h o n e i n p u t s e l e c t t o a d c m u t e m i c b 1 m i c r o p h o n e m u t e c o n t r o l t o a d c 0 = m u t e o n d a t a p a t h t o a d c d i s a b l e 1 = m u t e o n d a t a p a t h t o a d c e n a b l e ( d e f a u l t ) m i c b o o s t b 0 p r i m a r y m i c r o p h o n e a m p l i f i e r g a i n b o o s t e r c o n t r o l 0 = 0 d b ( d e f a u l t ) 1 = 2 0 d b
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 1 9 o f 3 6 | m a r c h 2 0 1 0 t a b l e 9 . r e g i s t e r 5 d i g i t a l a u d i o p a t h b i t n a m e b i t s d e s c r i p t i o n s e t t i n g s h p o r b 4 s t o r e d c o f f s e t w h e n h i g h - p a s s f i l t e r i s d i s a b l e d 0 = c l e a r o f f s e t ( d e f a u l t ) 1 = s t o r e o f f s e t d a c m u b 3 d a c d i g i t a l m u t e 0 = n o m u t e ( s i g n a l a c t i v e ) 1 = m u t e ( d e f a u l t ) d e e m p h [ 1 : 0 ] b [ 2 : 1 ] d e - e m p h a s i s c o n t r o l 0 0 = n o d e - e m p h a s i s ( d e f a u l t ) 0 1 = 3 2 k h z s a m p l i n g r a t e 1 0 = 4 4 . 1 k h z s a m p l i n g r a t e 1 1 = 4 8 k h z s a m p l i n g r a t e a d c h p d b 0 a d c h i g h - p a s s f i l t e r c o n t r o l 0 = a d c h i g h - p a s s f i l t e r e n a b l e ( d e f a u l t ) 1 = a d c h i g h - p a s s f i l t e r d i s a b l e t a b l e 1 0 . r e g i s t e r 6 p o w e r m a n a g e m e n t b i t n a m e b i t s d e s c r i p t i o n s e t t i n g s p o w e r o f f b 7 w h o l e c h i p p o w e r - d o w n c o n t r o l 0 = p o w e r - u p 1 = p o w e r - d o w n ( d e f a u l t ) c l k o u t p d b 6 c l o c k o u t p u t p o w e r - d o w n c o n t r o l 0 = p o w e r - u p ( d e f a u l t ) 1 = p o w e r - d o w n o s c p d b 5 c r y s t a l p o w e r - d o w n c o n t r o l 0 = p o w e r - u p ( d e f a u l t ) 1 = p o w e r - d o w n o u t p d b 4 o u t p u t p o w e r - d o w n c o n t r o l 0 = p o w e r - u p 1 = p o w e r - d o w n ( d e f a u l t ) d a c p d b 3 d a c p o w e r - d o w n c o n t r o l 0 = p o w e r - u p 1 = p o w e r - d o w n ( d e f a u l t ) a d c p d b 2 a d c p o w e r - d o w n c o n t r o l 0 = p o w e r - u p 1 = p o w e r - d o w n ( d e f a u l t ) m i c p d b 1 m i c r o p h o n e i n p u t p o w e r - d o w n c o n t r o l 0 = p o w e r - u p 1 = p o w e r - d o w n ( d e f a u l t ) l i n e i n p d b 0 l i n e i n p u t p o w e r - d o w n c o n t r o l 0 = p o w e r - u p 1 = p o w e r - d o w n ( d e f a u l t )
r e v . a | p a g e 2 0 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c t a b l e 1 1 . r e g i s t e r 7 d i g i t a l a u d i o i / f b i t n a m e b i t s d e s c r i p t i o n s e t t i n g s b c l k i n v b 7 c o d e c _ b c l k i n v e r s i o n c o n t r o l 0 = c o d e c _ b c l k n o t i n v e r t e d ( d e f a u l t ) 1 = c o d e c _ b c l k i n v e r t e d m s b 6 m a s t e r m o d e e n a b l e 0 = e n a b l e s l a v e m o d e ( d e f a u l t ) 1 = e n a b l e m a s t e r m o d e l r s w a p b 5 s w a p d a c d a t a c o n t r o l 0 = o u t p u t l e f t - a n d r i g h t - c h a n n e l d a t a a s n o r m a l ( d e f a u l t ) 1 = s w a p l e f t - a n d r i g h t - c h a n n e l d a c d a t a i n a u d i o i n t e r f a c e l r p b 4 p o l a r i t y c o n t r o l f o r c l o c k s i n r i g h t - j u s t i f i e d , l e f t - j u s t i f i e d , a n d i 2 s m o d e s 0 = n o r m a l d a c l r c a n d a d c l r c ( d e f a u l t ) , o r p r o c e s s o r s u b m o d e 1 1 = i n v e r t d a c l r c a n d a d c l r c p o l a r i t y , o r p r o c e s s o r s u b m o d e 2 w l [ 1 : 0 ] b [ 3 : 2 ] d a t a - w o r d l e n g t h c o n t r o l 0 0 = 1 6 b i t s 0 1 = 2 0 b i t s 1 0 = 2 4 b i t s ( d e f a u l t ) 1 1 = 3 2 b i t s f o r m a t [ 1 : 0 ] b [ 1 : 0 ] d i g i t a l a u d i o i n p u t f o r m a t c o n t r o l 0 0 = r i g h t j u s t i f i e d 0 1 = l e f t j u s t i f i e d 1 0 = i 2 s m o d e ( d e f a u l t ) 1 1 = p r o c e s s o r m o d e t a b l e 1 2 . r e g i s t e r 8 s a m p l i n g r a t e b i t n a m e b i t s d e s c r i p t i o n s e t t i n g s c l k o d i v 2 b 7 c o d e c _ c l k o u t d i v i d e r s e l e c t 0 = c o d e c _ c l k o u t i s c o d e c c l o c k ( d e f a u l t ) 1 = c o d e c _ c l k o u t i s c o d e c c l o c k d i v i d e d b y 2 c l k d i v 2 b 6 c o d e c c l o c k d i v i d e s e l e c t 0 = c o d e c c l o c k i s c o d e c _ m c l k ( d e f a u l t ) 1 = c o d e c c l o c k i s c o d e c _ m c l k d i v i d e d b y 2 s r [ 3 : 0 ] b [ 5 : 2 ] c l o c k s e t t i n g c o n d i t i o n s e e t a b l e 1 o n p a g e 9 a n d t a b l e 2 o n p a g e 1 0 b o s r b 1 b a s e o v e r s a m p l i n g r a t e u s b m o d e : 0 = s u p p o r t f o r 2 5 0 f s b a s e d c l o c k ( d e f a u l t ) 1 = s u p p o r t f o r 2 7 2 f s b a s e d c l o c k n o r m a l m o d e : 0 = s u p p o r t f o r 2 5 6 f s b a s e d c l o c k ( d e f a u l t ) 1 = s u p p o r t f o r 3 8 4 f s b a s e d c l o c k u s b b 0 u s b m o d e s e l e c t 0 = n o r m a l m o d e e n a b l e ( d e f a u l t ) 1 = u s b m o d e e n a b l e t a b l e 1 3 . r e g i s t e r 9 a c t i v e b i t n a m e b i t d e s c r i p t i o n s e t t i n g s a c t i v e b 0 d i g i t a l c o r e a c t i v a t i o n c o n t r o l 0 = d i s a b l e d i g i t a l c o r e ( d e f a u l t ) 1 = a c t i v a t e d i g i t a l c o r e t a b l e 1 4 . r e g i s t e r 1 0 s o f t w a r e r e s e t b i t n a m e b i t d e s c r i p t i o n s e t t i n g s r e s e t [ 8 : 0 ] b [ 8 : 0 ] w r i t e a l l 0 s t o t h i s r e g i s t e r t o s e t a l l r e g i s t e r s t o t h e i r d e f a u l t s e t t i n g s . o t h e r d a t a w r i t t e n t o t h i s r e g i s t e r h a s n o e f f e c t . 0 = r e s e t ( d e f a u l t )
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 2 1 o f 3 6 | m a r c h 2 0 1 0 s p e c i f i c a t i o n s t a m b i e n t = 2 5 c , a v d d = v d d e x t = 3 . 3 v , h p v d d = 3 . 3 v , 1 k h z s i g n a l , f s = 4 8 k h z , p g a g a i n = 0 d b , 2 4 - b i t a u d i o d a t a , u n l e s s o t h e r w i s e n o t e d . o p e r a t i n g c o n d i t i o n s s e e o p e r a t i n g c o n d i t i o n s i n t h e p u b l i s h e d a d s p - b f 5 2 x c d a t a s h e e t . c o d e c e l e c t r i c a l c h a r a c t e r i s t i c s p a r a m e t e r c o n d i t i o n s m i n t y p i c a l m a x u n i t a v d d 1 1 . 8 3 . 3 3 . 6 v h p v d d 1 . 8 3 . 3 3 . 6 v 1 n o t e t h a t a v d d m u s t e q u a l h p v d d . p a r a m e t e r c o n d i t i o n s m i n t y p i c a l m a x u n i t l i n e i n p u t i n p u t s i g n a l l e v e l ( 0 d b ) a v d d / 3 . 3 v ( r m s ) i n p u t i m p e d a n c e p g a g a i n = 0 d b 2 0 0 k  p g a g a i n = + 3 3 d b 1 0 k  p g a g a i n = ? 3 4 . 5 d b 4 8 0 k  i n p u t c a p a c i t a n c e 1 0 p f s i g n a l - t o - n o i s e r a t i o ( a - w e i g h t e d ) p g a g a i n = 0 d b , a v d d = 3 . 3 v 8 2 8 7 d b p g a g a i n = 0 d b , a v d d = 1 . 8 v 8 4 d b t o t a l h a r m o n i c d i s t o r t i o n ( t h d ) ? 1 d b f s i n p u t , a v d d = 3 . 3 v ? 8 0 ? 8 4 d b ? 1 d b f s i n p u t , a v d d = 1 . 8 v ? 7 1 ? 6 0 d b c h a n n e l s e p a r a t i o n 1 8 0 d b p r o g r a m m a b l e g a i n ? 3 4 . 5 0 + 3 3 . 5 d b g a i n s t e p 1 . 5 d b m u t e a t t e n u a t i o n ? 8 0 d b m i c r o p h o n e i n p u t i n p u t s i g n a l l e v e l 1 v ( r m s ) s i g n a l - t o - n o i s e r a t i o ( a - w e i g h t e d ) m i c r o p h o n e g a i n = 0 d b ( r s o u r c e = 4 0 k  ) 8 5 d b t o t a l h a r m o n i c d i s t o r t i o n ? 1 d b f s i n p u t , 0 d b g a i n , a v d d = 3 . 3 v ? 7 5 d b ? 1 d b f s i n p u t , 0 d b g a i n , a v d d = 1 . 8 v ? 6 5 d b p o w e r s u p p l y r e j e c t i o n r a t i o 5 0 d b m u t e a t t e n u a t i o n 8 0 d b i n p u t r e s i s t a n c e 1 0 k  i n p u t c a p a c i t a n c e 1 0 p f m i c r o p h o n e b i a s b i a s v o l t a g e 0 . 7 5 a v d d v b i a s c u r r e n t s o u r c e 3 m a n o i s e i n t h e s i g n a l b a n d w i d t h 2 0 h z t o 2 0 k h z 4 0 n v /  h z
r e v . a | p a g e 2 2 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c l i n e o u t p u t d a c ? 1 d b f s i n p u t d a c + l i n e o u t p u t f u l l - s c a l e o u t p u t a v d d / 3 . 3 v ( r m s ) s i g n a l - t o - n o i s e r a t i o ( a - w e i g h t e d ) a v d d = 3 . 3 v 9 0 9 5 d b a v d d = 1 . 8 v 8 5 8 8 d b t h d + n a v d d = 3 . 3 v ? 8 0 ? 7 0 d b a v d d = 1 . 8 v ? 8 0 ? 7 0 d b p o w e r s u p p l y r e j e c t i o n r a t i o 5 0 d b c h a n n e l s e p a r a t i o n 8 0 d b h e a d p h o n e o u t p u t f u l l - s c a l e o u t p u t v o l t a g e a v d d / 3 . 3 v ( r m s ) m a x i m u m o u t p u t p o w e r r l = 3 2  3 0 m w r l = 1 6  6 0 m w s i g n a l - t o - n o i s e r a t i o ( a - w e i g h t e d ) a v d d = 3 . 3 v 9 0 9 4 d b a v d d = 1 . 8 v 8 0 8 5 d b t h d + n h p o u t = 1 0 m w ? 6 5 d b h p o u t = 2 0 m w ? 6 0 d b p o w e r s u p p l y r e j e c t i o n r a t i o 5 0 d b m u t e a t t e n u a t i o n 8 0 d b l i n e i n p u t t o l i n e o u t p u t f u l l - s c a l e o u t p u t v o l t a g e a v d d / 3 . 3 v ( r m s ) s i g n a l - t o - n o i s e r a t i o ( a - w e i g h t e d ) a v d d = 3 . 3 v 9 2 d b a v d d = 1 . 8 v 8 6 d b t o t a l h a r m o n i c d i s t o r t i o n a v d d = 3 . 3 v ? 8 0 d b a v d d = 1 . 8 v ? 8 0 d b p o w e r s u p p l y r e j e c t i o n 5 0 d b m i c r o p h o n e i n p u t t o h e a d p h o n e o u t p u t f u l l - s c a l e o u t p u t v o l t a g e a v d d / 3 . 3 v ( r m s ) s i g n a l - t o - n o i s e r a t i o ( a - w e i g h t e d ) a v d d = 3 . 3 v 9 4 d b a v d d = 1 . 8 v 8 8 d b p o w e r s u p p l y r e j e c t i o n r a t i o 5 0 d b p r o g r a m m a b l e a t t e n u a t i o n 6 1 5 d b g a i n s t e p 3 d b m u t e a t t e n u a t i o n 8 0 d b 1 g u a r a n t e e d b u t n o t t e s t e d . p a r a m e t e r c o n d i t i o n s m i n t y p i c a l m a x u n i t
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 2 3 o f 3 6 | m a r c h 2 0 1 0 a b s o l u t e m a x i m u m r a t i n g s s e e a b s o l u t e m a x i m u m r a t i n g s i n t h e p u b l i s h e d a d s p - b f 5 2 x p r o c e s s o r d a t a s h e e t . e s d s e n s i t i v i t y p a c k a g e i n f o r m a t i o n t h e i n f o r m a t i o n p r e s e n t e d i n f i g u r e 1 7 a n d t a b l e 1 5 p r o v i d e s d e t a i l s a b o u t t h e p a c k a g e b r a n d i n g f o r t h e a d s p - b f 5 2 x c p r o - c e s s o r . f o r a c o m p l e t e l i s t i n g o f p r o d u c t a v a i l a b i l i t y , s e e o r d e r i n g g u i d e o n p a g e 3 6 . e s d ( e l e c t r o s t a t i c d i s c h a r g e ) s e n s i t i v e d e v i c e . c h a r g e d d e v i c e s a n d c i r c u i t b o a r d s c a n d i s c h a r g e w i t h o u t d e t e c t i o n . a l t h o u g h t h i s p r o d u c t f e a t u r e s p a t e n t e d o r p r o p r i e t a r y p r o t e c t i o n c i r c u i t r y , d a m a g e m a y o c c u r o n d e v i c e s s u b j e c t e d t o h i g h e n e r g y e s d . t h e r e f o r e , p r o p e r e s d p r e c a u t i o n s s h o u l d b e t a k e n t o a v o i d p e r f o r m a n c e d e g r a d a t i o n o r l o s s o f f u n c t i o n a l i t y . f i g u r e 1 7 . p r o d u c t i n f o r m a t i o n o n p a c k a g e t a b l e 1 5 . p a c k a g e b r a n d i n f o r m a t i o n b r a n d k e y f i e l d d e s c r i p t i o n t t e m p e r a t u r e r a n g e p p p a c k a g e t y p e z l e a d f r e e o p t i o n c c c s e e o r d e r i n g g u i d e v v v v v v . x a s s e m b l y l o t c o d e n . n s i l i c o n r e v i s i o n y y w w d a t e c o d e n . n v v v v v v . x t p p z c c c b a d s p - b f 5 2 7 k b c z 6 c 2 x a y y w w c o u n t r y _ o f _ o r i g i n
r e v . a | p a g e 2 4 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c p o w e r c o n s u m p t i o n t h e s e c u r r e n t c o n s u m p t i o n v a l u e s a r e f o r t h e c o d e c a l o n e . p l e a s e r e f e r t o t h e p u b l i s h e d a d s p - b f 5 2 x p r o c e s s o r d a t a s h e e t f o r t h e a d d i t i o n a l c u r r e n t c o n s u m p t i o n o f t h e b l a c k f i n p r o c e s s o r . t a b l e 1 6 . p o w e r c o n s u m p t i o n m o d e p o w e r o f f c l k o u t p d o s c p d o u t p d d a c p d a d c p d m i c p d l i n e i n p d ( 1 . 8 v ) ( 3 . 3 v ) a v d d h p v d d v d d e x t 1 a v d d h p v d d v d d e x t 1 u n i t r e c o r d a n d p l a y b a c k 0 0 0 0 0 0 0 0 7 . 4 1 . 5 6 . 3 1 4 . 8 2 . 0 1 2 . 0 m a p l a y b a c k o n l y o s c i l l a t o r e n a b l e d 0 0 0 0 0 1 1 1 3 . 1 1 . 3 0 3 . 0 4 . 7 2 . 0 6 . 1 m a e x t e r n a l c l o c k 0 1 1 0 0 1 1 1 2 . 9 1 . 2 3 . 0 4 . 7 2 . 0 6 . 1 m a r e c o r d o n l y l i n e o s c i l l a t o r 0 0 0 1 1 0 1 0 2 . 4 n / a 3 . 7 4 . 3 n / a 7 . 4 m a l i n e c l o c k 0 0 1 1 1 0 1 0 2 . 5 n / a 3 . 8 4 . 3 n / a 7 . 4 m a m i c r o p h o n e 1 0 0 0 1 1 0 0 1 3 . 6 n / a 1 . 9 9 . 4 n / a 3 . 6 m a m i c r o p h o n e 2 0 0 1 1 1 0 0 1 3 . 6 n / a 1 . 8 9 . 4 n / a 3 . 6 m a s i d e t o n e ( m i c r o p h o n e - t o - h e a d p h o n e o u t p u t ) i n t e r n a l l y g e n e r a t e d c l o c k 0 0 0 0 1 1 0 1 2 . 3 1 . 0 2 . 0 7 . 9 2 . 0 4 . 0 m a e x t e r n a l c l o c k 0 0 1 0 1 1 0 1 2 . 3 1 . 0 2 . 0 7 . 9 2 . 0 4 . 0 m a a n a l o g b y p a s s ( l i n e i n p u t o r l i n e o u t p u t ) i n t e r n a l l y g e n e r a t e d l i n e 0 0 0 0 1 1 1 0 0 . 9 1 . 0 2 . 0 1 . 8 2 . 0 4 . 0 m a e x t e r n a l l i n e 0 0 1 0 1 1 1 0 0 . 9 1 . 0 2 . 0 1 . 8 2 . 0 4 . 0 m a p o w e r - d o w n c l o c k s t o p p e d 1 1 1 1 1 1 1 1 3 . 1 6 . 3 3 . 8 9 . 4 6 . 3 1 2 . 3 a 1 v d d e x t h e r e r e f e r s t o t h e t o t a l o f t h e c o d e c ' s d c v d d a n d d b v d d s i g n a l s a n d d o e s n o t i n c l u d e v d d e x t s u p p l i e s i n t h e b l a c k f i n d e v i c e .
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 2 5 o f 3 6 | m a r c h 2 0 1 0 t i m i n g s p e c i f i c a t i o n s t w i t i m i n g t a b l e 1 7 . t w i t i m i n g p a r a m e t e r t e s t c o n d i t i o n s 1 1 a v d d , h p v d d , v d d e x t = 3 . 3 v , a g n d = 0 v , t a = + 2 5 c , s l a v e m o d e , f s = 4 8 k h z , x t i / c o d e c _ m c l k = 2 5 6 f s u n l e s s o t h e r w i s e s t a t e d . m i n m a x u n i t t s c s s t a r t c o n d i t i o n s e t u p t i m e 6 0 0 n s t s c h s t a r t c o n d i t i o n h o l d t i m e 6 0 0 n s t p h c s c l p u l s e w i d t h h i g h 6 0 0 n s t p l c s c l p u l s e w i d t h l o w 1 . 3 s f s c l c s c l f r e q u e n c y 0 5 2 6 k h z t d s d a t a s e t u p t i m e 1 0 0 n s t d h d a t a h o l d t i m e 9 0 0 n s t r t c s d a a n d c s c l r i s e t i m e 3 0 0 n s t f t c s d a a n d c s c l f a l l t i m e 3 0 0 n s t h c s s t o p c o n d i t i o n s e t u p t i m e 6 0 0 n s f i g u r e 1 8 . t w i t i m i n g c s c l c s d a t r t t s c h t p l t d s t p h t d h t f t t s c s t h c s
r e v . a | p a g e 2 6 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c s p i t i m i n g t a b l e 1 8 . s p i t i m i n g p a r a m e t e r t e s t c o n d i t i o n s 1 m i n m a x u n i t t d s u c s d a t o c s c l s e t u p t i m e 2 0 n s t d h o c s c l t o c s d a h o l d t i m e 2 0 n s t s c h c s c l p u l s e w i d t h h i g h 2 0 n s t s c l c s c l p u l s e w i d t h l o w 2 0 n s t s c s c s c l r i s i n g e d g e t o c s b r i s i n g e d g e 6 0 n s t c s s c s b r i s i n g t o c s c l r i s i n g 2 0 n s t c s h c s b p u l s e w i d t h h i g h 2 0 n s t c s l c s b p u l s e w i d t h l o w 2 0 n s t p s p u l s e w i d t h o f s p i k e s t o b e s u p p r e s s e d 0 5 n s 1 a v d d , h p v d d , v d d e x t = 3 . 3 v , a g n d = 0 v , t a = + 2 5 c , s l a v e m o d e , f s = 4 8 k h z , x t i / c o d e c _ m c l k = 2 5 6 f s u n l e s s o t h e r w i s e s t a t e d . f i g u r e 1 9 . s p i t i m i n g c s b c s c l c s d a t c s l t c s h t d h o t c s s t d s u t s c s t s c l t s c h
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 2 7 o f 3 6 | m a r c h 2 0 1 0 d i g i t a l a u d i o i n t e r f a c e s l a v e m o d e t i m i n g t a b l e 1 9 . d i g i t a l a u d i o i n t e r f a c e s l a v e m o d e t i m i n g p a r a m e t e r t e s t c o n d i t i o n s 1 m i n m a x u n i t t d s d a c d a t s e t u p t i m e f r o m c o d e c _ b c l k r i s i n g e d g e 1 0 n s t d h d a c d a t h o l d t i m e f r o m c o d e c _ b c l k r i s i n g e d g e 1 0 n s t l r s u a d c l r c / d a c l r c s e t u p t i m e t o c o d e c _ b c l k r i s i n g e d g e 1 0 n s t l r h a d c l r c / d a c l r c h o l d t i m e t o c o d e c _ b c l k r i s i n g e d g e 1 0 n s t d d a d c d a t p r o p a g a t i o n d e l a y f r o m c o d e c _ b c l k f a l l i n g e d g e ( e x t e r n a l l o a d o f 7 0 p f ) 3 0 n s t b c h c o d e c _ b c l k p u l s e w i d t h h i g h 2 5 n s t b c l c o d e c _ b c l k p u l s e w i d t h l o w 2 5 n s t b c y c o d e c _ b c l k c y c l e t i m e 5 0 n s 1 a v d d , h p v d d , v d d e x t = 3 . 3 v , a g n d = 0 v , t a = + 2 5 c , s l a v e m o d e , f s = 4 8 k h z , x t i / c o d e c _ m c l k = 2 5 6 f s u n l e s s o t h e r w i s e s t a t e d . f i g u r e 2 0 . d i g i t a l a u d i o i n t e r f a c e s l a v e m o d e t i m i n g c o d e c _ b c l k d a c l r c / a d c l r c d a c d a t a d c d a t t b c l t d s t l r s u t l r h t b c h t b c y t d d t d h
r e v . a | p a g e 2 8 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c d i g i t a l a u d i o i n t e r f a c e m a s t e r m o d e t i m i n g t a b l e 2 0 . d i g i t a l a u d i o i n t e r f a c e m a s t e r m o d e t i m i n g p a r a m e t e r t e s t c o n d i t i o n s 1 m i n m a x u n i t t d s t d a c d a t s e t u p t i m e t o c o d e c _ b c l k r i s i n g e d g e 3 0 n s t d h t d a c d a t h o l d t i m e t o c o d e c _ b c l k r i s i n g e d g e 1 0 n s t d l a d c l r c / d a c l r c p r o p a g a t i o n d e l a y f r o m c o d e c _ b c l k f a l l i n g e d g e 1 0 n s t d d a a d c d a t p r o p a g a t i o n d e l a y f r o m c o d e c _ b c l k f a l l i n g e d g e 1 0 n s t b c l k r c o d e c _ b c l k r i s i n g t i m e ( 1 0 p f l o a d ) 1 0 n s t b c l k f c o d e c _ b c l k f a l l i n g t i m e ( 1 0 p f l o a d ) 1 0 n s t b c l k d s c o d e c _ b c l k d u t y c y c l e ( n o r m a l a n d u s b m o d e ) 4 5 : 5 5 5 5 : 4 5 1 a v d d , h p v d d , v d d e x t = 3 . 3 v , a g n d = 0 v , t a = + 2 5 c , s l a v e m o d e , f s = 4 8 k h z , x t i / c o d e c _ m c l k = 2 5 6 f s u n l e s s o t h e r w i s e s t a t e d . f i g u r e 2 1 . d i g i t a l a u d i o i n t e r f a c e m a s t e r m o d e t i m i n g c o d e c _ b c l k d a c l r c / a d c l r c d a c d a t a d c d a t t d d a t d s t t d h t t d l
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 2 9 o f 3 6 | m a r c h 2 0 1 0 s y s t e m c l o c k t i m i n g t a b l e 2 1 . s y s t e m c l o c k t i m i n g p a r a m e t e r t e s t c o n d i t i o n s 1 m i n m a x u n i t t x t i y x t i / c o d e c _ m c l k s y s t e m c l o c k c y c l e t i m e 7 2 n s t m c l k d s x t i / c o d e c _ m c l k d u t y c y c l e 4 0 : 6 0 6 0 : 4 0 t x t i h x t i / c o d e c _ m c l k s y s t e m c l o c k p u l s e w i d t h h i g h 3 2 n s t x t i l x t i / c o d e c _ m c l k s y s t e m c l o c k p u l s e w i d t h l o w 3 2 n s t c o p c o d e c _ c l k o u t p r o p a g a t i o n d e l a y f r o m x t i / c o d e c _ m c l k f a l l i n g e d g e 2 0 n s t c o p d i v 2 c l k o d i v 2 p r o p a g a t i o n d e l a y f r o m x t i / c o d e c _ m c l k f a l l i n g e d g e 2 0 n s 1 a v d d , h p v d d , v d d e x t = 3 . 3 v , a g n d = 0 v , t a = + 2 5 c , s l a v e m o d e , f s = 4 8 k h z , x t i / c o d e c _ m c l k = 2 5 6 f s u n l e s s o t h e r w i s e s t a t e d . f i g u r e 2 2 . s y s t e m ( c o d e c _ m c l k ) c l o c k t i m i n g t c o p d i v 2 t c o p c o d e c _ m c l k / x t i c o d e c _ c l k o u t c o d e c _ c l k o u t / 2 t x t i h t x t i l t x t i y
r e v . a | p a g e 3 0 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c d i g i t a l f i l t e r c h a r a c t e r i s t i c s c o n v e r t e r f i l t e r r e s p o n s e t a b l e 2 2 . d i g i t a l f i l t e r c h a r a c t e r i s t i c s p a r a m e t e r c o n d i t i o n s m i n t y p i c a l m a x u n i t a d c f i l t e r p a s s b a n d 0 . 0 4 d b 0 0 . 4 4 5 f s h z ? 6 d b 0 . 5 f s h z p a s s b a n d r i p p l e 0 . 0 4 d b s t o p b a n d 0 . 5 5 5 f s h z s t o p b a n d a t t e n u a t i o n f > 0 . 5 6 7 f s ? 6 1 d b h i g h - p a s s f i l t e r c o r n e r f r e q u e n c y ? 3 d b 3 . 7 h z ? 0 . 5 d b 1 0 . 4 h z ? 0 . 1 d b 2 1 . 6 h z d a c f i l t e r p a s s b a n d 0 . 0 4 d b 0 0 . 4 4 5 f s h z ? 6 d b 0 . 5 f s h z p a s s b a n d r i p p l e 0 . 0 4 d b s t o p b a n d 0 . 5 5 5 f s h z s t o p b a n d a t t e n u a t i o n f > 0 . 5 6 5 f s ? 6 1 d b c o d e c c l o c k t o l e r a n c e f r e q u e n c y r a n g e 8 . 0 1 3 . 8 m h z j i t t e r t o l e r a n c e 5 0 p s f i g u r e 2 3 . a d c d i g i t a l f i l t e r f r e q u e n c y r e s p o n s e , s a m p l i n g r a t e = 4 8 k h z f r e q u e n c y ( f s ) m a g n i t u d e ( d b ) 0 0 . 2 5 0 ? 1 0 0 ? 9 0 ? 8 0 ? 7 0 ? 6 0 ? 5 0 ? 4 0 ? 3 0 ? 2 0 ? 1 0 0 . 7 5 1 . 0 0 1 . 2 5 0 . 5 0 1 . 5 0 2 . 0 0 1 . 7 5 f i g u r e 2 4 . a d c d i g i t a l f i l t e r r i p p l e , s a m p l i n g r a t e = 4 8 k h z f r e q u e n c y ( f s ) m a g n i t u d e ( d b ) 0 0 . 0 5 0 . 1 0 0 . 1 5 0 . 2 0 0 . 2 5 0 . 3 0 0 . 3 5 0 . 4 0 0 . 4 5 0 . 5 0 ? 0 . 0 5 ? 0 . 0 4 ? 0 . 0 3 ? 0 . 0 2 ? 0 . 0 1 0 0 . 0 1 0 . 0 2 0 . 0 3 0 . 0 4 0 . 0 5
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 3 1 o f 3 6 | m a r c h 2 0 1 0 d i g i t a l d e - e m p h a s i s f i g u r e 2 5 . d a c d i g i t a l f i l t e r f r e q u e n c y r e s p o n s e , s a m p l i n g r a t e = 4 8 k h z f i g u r e 2 6 . d a c d i g i t a l f i l t e r r i p p l e , s a m p l i n g r a t e = 4 8 k h z f i g u r e 2 7 . d e - e m p h a s i s f r e q u e n c y r e s p o n s e , s a m p l i n g r a t e = 3 2 k h z f r e q u e n c y ( f s ) m a g n i t u d e ( d b ) 0 0 . 2 5 0 ? 1 0 0 ? 9 0 ? 8 0 ? 7 0 ? 6 0 ? 5 0 ? 4 0 ? 3 0 ? 2 0 ? 1 0 0 . 7 5 1 . 0 0 1 . 2 5 0 . 5 0 1 . 5 0 2 . 0 0 1 . 7 5 f r e q u e n c y ( f s ) m a g n i t u d e ( d b ) 0 0 . 0 5 0 . 1 0 0 . 1 5 0 . 2 0 0 . 2 5 0 . 3 0 0 . 3 5 0 . 4 0 0 . 4 5 0 . 5 0 ? 0 . 0 5 ? 0 . 0 4 ? 0 . 0 3 ? 0 . 0 2 ? 0 . 0 1 0 0 . 0 1 0 . 0 2 0 . 0 3 0 . 0 4 0 . 0 5 f r e q u e n c y ( k h z ) m a g n i t u d e ( d b ) 0 4 8 1 2 1 6 ? 1 0 ? 9 ? 8 ? 7 ? 6 ? 5 ? 4 ? 3 ? 2 ? 1 0 f i g u r e 2 8 . d e - e m p h a s i s f r e q u e n c y r e s p o n s e , s a m p l i n g r a t e = 4 4 . 1 k h z f i g u r e 2 9 . d e - e m p h a s i s f r e q u e n c y r e s p o n s e , s a m p l i n g r a t e = 4 8 k h z f i g u r e 3 0 . d e - e m p h a s i s e r r o r , s a m p l i n g r a t e = 3 2 k h z f r e q u e n c y ( k h z ) m a g n i t u d e ( d b ) 0 4 1 2 2 0 8 1 6 ? 1 0 ? 9 ? 8 ? 7 ? 6 ? 5 ? 4 ? 3 ? 2 ? 1 0 f r e q u e n c y ( k h z ) m a g n i t u d e ( d b ) 0 4 1 2 2 0 8 1 6 2 4 ? 1 0 ? 9 ? 8 ? 7 ? 6 ? 5 ? 4 ? 3 ? 2 ? 1 0 f r e q u e n c y ( k h z ) m a g n i t u d e ( d b ) 0 4 1 2 8 1 6 ? 0 . 4 ? 0 . 3 ? 0 . 2 ? 0 . 1 0 0 . 1 0 . 2 0 . 3 0 . 4
r e v . a | p a g e 3 2 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c 2 8 9 - b a l l c s p _ b g a b a l l a s s i g n m e n t s i g n a l s a d d e d o r c h a n g e d t o t h e a d s p - b f 5 2 x c p r o c e s s o r f o r t h e e m b e d d e d c o d e c a r e s h o w n i n t a b l e 2 3 a n d t a b l e 2 4 . p l e a s e r e f e r t o t h e p u b l i s h e d a d s p - b f 5 2 x p r o c e s s o r d a t a s h e e t f o r d e s c r i p t i o n s o f a d d i t i o n a l s i g n a l s f o r t h e p r o c e s s o r . f i g u r e 3 1 . d e - e m p h a s i s e r r o r , s a m p l i n g r a t e = 4 4 . 1 k h z f i g u r e 3 2 . d e - e m p h a s i s e r r o r , s a m p l i n g r a t e = 4 8 k h z f r e q u e n c y ( k h z ) m a g n i t u d e ( d b ) 0 4 1 2 2 0 8 1 6 ? 0 . 4 ? 0 . 3 ? 0 . 2 ? 0 . 1 0 0 . 1 0 . 2 0 . 3 0 . 4 f r e q u e n c y ( k h z ) m a g n i t u d e ( d b ) 0 4 1 2 2 0 8 1 6 2 4 ? 0 . 4 ? 0 . 3 ? 0 . 2 ? 0 . 1 0 0 . 1 0 . 2 0 . 3 0 . 4 t a b l e 2 3 . 2 8 9 - b a l l c s p _ b g a b a l l a s s i g n m e n t ( a l p h a b e t i c a l l y ) s i g n a l b a l l n o . s i g n a l b a l l n o . a d c d a t a 1 6 h p g n d g 1 7 a d c l r c a 1 5 h p v d d g 1 6 1 a g n d h 2 2 l h p o u t b 2 0 a v d d j 2 2 1 1 f o r a d s p - b f 5 2 x p r o c e s s o r ( w i t h o u t i n t e r n a l c o d e c ) c o m p a t i b i l i t y , c o n n e c t t h i s b a l l t o v d d e x t . l l i n e i n e 2 3 c m o d e e 2 2 l o u t f 2 2 c o d e c _ b c l k a 1 9 m i c b i a s h 2 3 c o d e c _ c l k o u t d 2 2 m i c i n j 2 3 c s b d 2 3 r h p o u t b 2 1 c s c l b 2 3 r l i n e i n f 2 3 c s d a c 2 3 r o u t g 2 2 c v d d h 1 7 1 v m i d g 2 3 d a c d a t a 1 8 x t i / c o d e c _ m c l k a 2 2 d a c l r c a 1 7 x t o a 2 1 t a b l e 2 4 . 2 8 9 - b a l l c s p _ b g a b a l l a s s i g n m e n t ( n u m e r i c a l l y ) b a l l n o . s i g n a l b a l l n o . s i g n a l a 1 5 a d c l r c e 2 2 c m o d e a 1 6 a d c d a t e 2 3 l l i n e i n a 1 7 d a c l r c f 2 2 l o u t a 1 8 d a c d a t f 2 3 r l i n e i n a 1 9 c o d e c _ b c l k g 1 6 1 1 f o r a d s p - b f 5 2 x p r o c e s s o r ( w i t h o u t i n t e r n a l c o d e c ) c o m p a t i b i l i t y , c o n n e c t t h i s b a l l t o v d d e x t . h p v d d a 2 1 x t o g 1 7 h p g n d a 2 2 x t i / c o d e c _ m c l k g 2 2 r o u t b 2 0 l h p o u t g 2 3 v m i d b 2 1 r h p o u t h 1 7 1 c v d d b 2 3 c s c l h 2 2 a g n d c 2 3 c s d a h 2 3 m i c b i a s d 2 2 c o d e c _ c l k o u t j 2 2 1 a v d d d 2 3 c s b j 2 3 m i c i n
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 3 3 o f 3 6 | m a r c h 2 0 1 0 f i g u r e 3 3 s h o w s t h e t o p v i e w o f t h e a d s p - b f 5 2 x c p r o c e s s o r b a l l c o n f i g u r a t i o n . f i g u r e 3 3 . a d s p - b f 5 2 x c p r o c e s s o r b a l l c o n f i g u r a t i o n ( t o p v i e w ) t o p v i e w a 1 b a l l p a d c o r n e r 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 2 1 7 1 8 1 9 2 0 2 1 2 2 2 3 m bc d e f g h j k l nr t au v w y a a a b a c p k e y : v d d i n t g n d v d d e x t i / o v d d m e m a g n d h p g n d a v d d c o d e c i / o b a l l s t h a t h a v e c h a n g e d u s a g e o n t h e a d s p - b f 5 2 2 c / 5 2 3 c / 5 2 4 c / 5 2 5 c / 5 2 6 c / 5 2 7 c : h p v d d
r e v . a | p a g e 3 4 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c f i g u r e 3 4 s h o w s t h e b o t t o m v i e w o f t h e a d s p - b f 5 2 x c p r o c e s - s o r b a l l c o n f i g u r a t i o n . f i g u r e 3 4 . a d s p - b f 5 2 x c p r o c e s s o r b a l l c o n f i g u r a t i o n ( b o t t o m v i e w ) b o t t o m v i e w a 1 b a l l p a d c o r n e r 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 2 1 7 1 8 1 9 2 0 2 1 2 2 2 3 m bc d e f g h j k l nr t au v w y a a a b a c p k e y : v d d i n t g n d v d d e x t i / o v d d m e m a g n d h p g n d a v d d c o d e c i / o b a l l s t h a t h a v e c h a n g e d u s a g e o n t h e a d s p - b f 5 2 2 c / 5 2 3 c / 5 2 4 c / 5 2 5 c / 5 2 6 c / 5 2 7 c : h p v d d
a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c r e v . a | p a g e 3 5 o f 3 6 | m a r c h 2 0 1 0 o u t l i n e d i m e n s i o n s d i m e n s i o n s i n f i g u r e 3 5 , 2 8 9 - b a l l c s p _ b g a ( b c - 2 8 9 - 2 ) a r e s h o w n i n m i l l i m e t e r s . f i g u r e 3 5 . 2 8 9 - b a l l c s p _ b g a ( b c - 2 8 9 - 2 ) n o t e s 1 . d i m e n s i o n s a r e i n m i l l i m e t e r s . 2 . c o m p l i e s w i t h j e d e c r e g i s t e r e d o u t l i n e m o - 1 9 5 , v a r i a t i o n a j a n d e x c e p t i o n t o p a c k a g e h e i g h t a n d b a l l h e i g h t . 3 . m i n i m u m b a l l h e i g h t 0 . 2 0 c l c l 0 . 5 b s c b a l l p i t c h 1 1 . 0 0 b s c s q t o p v i e w a 1 b a l l p a d c o r n e r 1 2 . 0 0 b s c s q s i d e v i e w d e t a i l a d e t a i l a s e a t i n g p l a n e 0 . 3 5 0 . 3 0 0 . 2 5 b a l l d i a m e t e r 0 . 0 8 m a x c o p l a n a r i t y 0 . 2 0 m i n b o t t o m v i e w a 1 b a l l p a d c o r n e r m bc d e f g h j k l nr t a 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 2 1 . 4 0 1 . 2 6 1 . 1 1 1 7 1 8 1 9 2 0 2 1 2 2 2 3 u v w y a a a b a c p
r e v . a | p a g e 3 6 o f 3 6 | m a r c h 2 0 1 0 a d s p - b f 5 2 2 c / a d s p - b f 5 2 3 c / a d s p - b f 5 2 4 c / a d s p - b f 5 2 5 c / a d s p - b f 5 2 6 c / a d s p - b f 5 2 7 c ? 2 0 1 0 a n a l o g d e v i c e s , i n c . a l l r i g h t s r e s e r v e d . t r a d e m a r k s a n d r e g i s t e r e d t r a d e m a r k s a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s . d 0 6 8 7 6 - 0 - 3 / 1 0 ( a ) o r d e r i n g g u i d e m o d e l 1 1 z = r o h s c o m p l i a n t p a r t . t e m p e r a t u r e r a n g e 2 2 r e f e r e n c e d t e m p e r a t u r e i s a m b i e n t t e m p e r a t u r e . t h e a m b i e n t t e m p e r a t u r e i s n o t a s p e c i f i c a t i o n . p l e a s e s e e o p e r a t i n g c o n d i t i o n s o n p a g e 2 1 f o r j u n c t i o n t e m p e r a t u r e ( t j ) s p e c i f i c a t i o n w h i c h i s t h e o n l y t e m p e r a t u r e s p e c i f i c a t i o n . i n s t r u c t i o n r a t e ( m a x ) p a c k a g e d e s c r i p t i o n p a c k a g e o p t i o n a d s p - b f 5 2 2 k b c z - 3 c 2 0 c t o + 7 0 c 3 0 0 m h z 2 8 9 - b a l l c h i p s c a l e p a c k a g e b a l l g r i d a r r a y ( c s p _ b g a ) b c - 2 8 9 - 2 a d s p - b f 5 2 2 k b c z - 4 c 2 0 c t o + 7 0 c 4 0 0 m h z 2 8 9 - b a l l c h i p s c a l e p a c k a g e b a l l g r i d a r r a y ( c s p _ b g a ) b c - 2 8 9 - 2 a d s p - b f 5 2 3 k b c z - 5 c 2 0 c t o + 7 0 c 5 3 3 m h z 2 8 9 - b a l l c h i p s c a l e p a c k a g e b a l l g r i d a r r a y ( c s p _ b g a ) b c - 2 8 9 - 2 a d s p - b f 5 2 3 k b c z - 6 c 2 0 c t o + 7 0 c 6 0 0 m h z 2 8 9 - b a l l c h i p s c a l e p a c k a g e b a l l g r i d a r r a y ( c s p _ b g a ) b c - 2 8 9 - 2 a d s p - b f 5 2 4 k b c z - 3 c 2 0 c t o + 7 0 c 3 0 0 m h z 2 8 9 - b a l l c h i p s c a l e p a c k a g e b a l l g r i d a r r a y ( c s p _ b g a ) b c - 2 8 9 - 2 a d s p - b f 5 2 4 k b c z - 4 c 2 0 c t o + 7 0 c 4 0 0 m h z 2 8 9 - b a l l c h i p s c a l e p a c k a g e b a l l g r i d a r r a y ( c s p _ b g a ) b c - 2 8 9 - 2 a d s p - b f 5 2 5 k b c z - 5 c 2 0 c t o + 7 0 c 5 3 3 m h z 2 8 9 - b a l l c h i p s c a l e p a c k a g e b a l l g r i d a r r a y ( c s p _ b g a ) b c - 2 8 9 - 2 a d s p - b f 5 2 5 k b c z - 6 c 2 0 c t o + 7 0 c 6 0 0 m h z 2 8 9 - b a l l c h i p s c a l e p a c k a g e b a l l g r i d a r r a y ( c s p _ b g a ) b c - 2 8 9 - 2 a d s p - b f 5 2 6 k b c z - 3 c 2 0 c t o + 7 0 c 3 0 0 m h z 2 8 9 - b a l l c h i p s c a l e p a c k a g e b a l l g r i d a r r a y ( c s p _ b g a ) b c - 2 8 9 - 2 a d s p - b f 5 2 6 k b c z - 4 c 2 0 c t o + 7 0 c 4 0 0 m h z 2 8 9 - b a l l c h i p s c a l e p a c k a g e b a l l g r i d a r r a y ( c s p _ b g a ) b c - 2 8 9 - 2 a d s p - b f 5 2 7 k b c z - 5 c 2 0 c t o + 7 0 c 5 3 3 m h z 2 8 9 - b a l l c h i p s c a l e p a c k a g e b a l l g r i d a r r a y ( c s p _ b g a ) b c - 2 8 9 - 2 a d s p - b f 5 2 7 k b c z - 6 c 2 0 c t o + 7 0 c 6 0 0 m h z 2 8 9 - b a l l c h i p s c a l e p a c k a g e b a l l g r i d a r r a y ( c s p _ b g a ) b c - 2 8 9 - 2


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