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Panasonic MN662785TBUC Manual page 62

Signal processing ic for cds

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MN 6 6 2 7 8 5 T B U C
B . S u b c o d e d a t a r e a d
B y i n p u t t i n g a c l o c k f r o m S B C K p i n , s u b c o d e d a t a , P t o W , c a n b e r e a d f r o m S U B C p i n . T h e t i m i n g i s s h o w n
i n t h e f i g u r e b e l o w .
S i n c e s u b c o d e d a t a v a r i e s e v e r y f a l l i n g e d g e o f N C L D C K , i n p u t 8 c l o c k s o f S B C K e v e r y f a l l i n g e d g e o f
N C L D C K , a n d s w i t c h t h e c o n t e n t o f S U B C o u t p u t t o P t o W .
T h e n S U B C o u t p u t w h i c h v a r i e s i n s y n c h r o n i z a t i o n w i t h t h e f a l l i n g e d g e o f S B C K i s r e c e i v e d a t t h e t i m i n g o f
t h e r i s i n g e d g e o f S B C K . A l l s u b c o d e d a t a c a n b e r e a d b y r e p e a t i n g t h e o p e r a t i o n a b o v e f o r e a c h N C L D C K .
B y i n p u t t i n g S B C K , t h e c o n t e n t o f F L A G o u t p u t w i l l v a r y . S o m e a s u r i n g t h e e r r o r r a t e w h i l e r e a d i n g s u b c o d e
i s n o t p o s s i b l e . T a k e i t i n t o c o n s i d e r a t i o n w h e n d e s i g n i n g t h e s y s t e m .
B L K C K
NCLDCK
SBCK
 
S U B C  
S 0  
N C L D C K
S B C K
 
 
 
 
 
 
 
S U B C  
*: R e f e r t o t h e v a l u e s s p e c i f i e d i n t h e P R O D U C T S T A N D A R D S .
 
 
  S 1
P 1 t o W 1 P 2 t o W 2 P 3 t o W 3 P 4 t o W 4 P 5 t o W 5 P 6 t o W 6 P 7 t o W 7
  P
F i g u r e 7 - 2 - 2 N C L D C K , S U B C , a n d S B C K t i m i n g c h a r t
T y p .  
  T y p .
1 3 6 µs
1 . 6 µs
Q
R
S
S D D 0 0 0 2 6 A E M
T
U
V
W
6 2

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