Advertisement
MN 6 6 2 7 8 5 T B U C
( E ) Q c o d e i n p u t f o r o p t i c a l d i g i t a l o u t p u t s i g n a l ( T X )
M D A T A
M C L K
M L D
I f t h e a n t i - s h o c k m e m o r y c o n t r o l l e r i s t u r n e d o n , Q c o d e d a t a c a n b e s e t f o r u s e r d a t a o n t h e o p t i c a l d i g i t a l
C o m m a n d
( B 7 t o B 0 )
I n t e r n a l b l o c k
s y n c s i g n a l
CLDCK
･
･
･
I n p u t t i m i n g
Output timing
Details of bit U
(Q channel)
- - -
Sub code
Sync word
CRC data is generated from the arithmetic operation of input data and added.
Note1) The internal block sync signal is a synchronized with a subcode sync word.
D a t a i n p u t
BLKCK
Output data
I f n o Q c o d e i s i n p u t , t h e p r e v i o u s v a l u e w i l l b e k e p t o n h o l d a n d b i t U w i l l b e o u t p u t . A t t h a t t i m e , C R C
N o t e 2 ) ・I n t e r r u p t i o n i s n o t a l l o w e d w h i l e t h e Q c o d e i s i n p u t , o t h e r w i s e t h e w r o n g b i t U w i l l b e o u t p u t .
( H E X )
D a t a
Q
to Q
0
79
8 7
(80 bits)
･
･
･
･
･
･
16 clocks
T h e Q c o d e t h a t i s i n p u t i n t o a - z o n e i s o u t p u t a s b i t U d a t a d u r i n g p e r i o d A .
0
0
Q
Q
- - -
0
1
Input data
a
A
・T h e Q c o d e c a n n o t b e i n p u t i n t o a s i n g l e b l o c k m o r e t h a n o n c e , o t h e r w i s e t h e w r o n g b i t U w i l l
b e o u t p u t .
Q
0
Symbol
F u n c t i o n
M C Q
Q code input for TX
･
･
･
･
･
16 clocks
a
Q
Q
Q
79
80
81
C R C d a t a ( 1 6 b i t s )
b
A
S D D 0 0 0 2 6 A E M
･･･････
Q
Q
1
2
････････
Table 7-1-6 (5)
･
･･･
16 clocks
b
A
- - -
Q
0
95
S u b c o d e
S y n c w o r d
c
B
C
d a t a i s a d d e d w i t h d i s a b l i n g d a t a .
Q
Q
Q
7 7
7 8
7 9
o u t p u t s i g n a l .
･
･
･
･
･
･
c
0
- - -
C
5 7
Advertisement
