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Panasonic MN662785TBUC Manual page 51

Signal processing ic for cds

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MN 6 6 2 7 8 5 T B U C
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
( H ) P L L c o n t r o l 
D a t a ( D 1 5 t o D 0 )
D 9
D 8
D 7
D 6
Command
(HEX)
Symbol
(B7 to B0)
P L L G 1 ,
4B
P L L G 2
P C K G
I R O F F
P L H L D
D E T 5 T
F L 0 2 , F L 0 4 ,
F L 0 8 , F L 1 6
F H 3 2
P L L G
P L L G 3 ,
P L L G 4
SDD00026AEM
   
Function (*: Setting at reset)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
P L L F c u r r e n t s e t t i n g
*×1 ( C o n v e n t i o n a l s e t t i n g )
 ×5 / 4
 ×1 / 2
 ×3 / 4
V C O f r e q u e n c y s e l e c t i o n
*×1 / 2
 ×1
I
c u r r e n t s h u t o f f
R E F
*N o r m a l
 S h u t o f f
P L L F c u r r e n t s h u t o f f b y t r a c k i n g f a i l u r e
*D i s a b l e d
 E n a b l e d
F r e q u e n c y p u l l - i n m e t h o d s e l e c t i o n
*2 T d e t e c t i o n
 5 T d e t e c t i o n
P u l l - i n t i m e s e t t i n g w i t h 2 T o r 5 T d e t e c t e d
C a l c u l a t i o n f o r m u l a
: 9×3 2+n D 8× 6+ D 7× +n D 6× + ( p c k )
N o t e ) I n i t i a l l y s e t t o 3 2 p c k
P u l l - i n t i m e s e t t i n g w i t h 1 2 T d e t e c t e d
*6 4 p c k
 3 2 p c k
F o r c e d d o u b l e c u r r e n t s e t t i n g f o r p h a s e
c o m p a r i s o n
*D i s a b l e d
 E n a b l e d
F r e q u e n c y c o m p a r i s o n c u r r e n t r a t e s e l e c t i o n
*×1
 ×5 / 4
 ×1 / 2
 ×3 / 4
 T a b l e 7 - 1 - 5 ( 8 )
5 1

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