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9.2.22 Horizontal Sync (HSYNC) Start Register
U
BT.656 EAV Code
YOUT[7:0]
HSYNC
Y V Y
F
F
0
0
0
0
X
Y
8
0
1
0
8
0
1
0
F
F
0
0
0
0
X
Y
U Y
AVID
128 SCLK
N
hbhs
N
hb
Start of Digital
Active Line
BT.656 SAV Code
TVP5154
4-CHANNEL LOW-POWER PAL/NTSC/SECAM VIDEO DECODER
WITH INDEPENDENT SCALERS AND FAST LOCK
SLES163A – MARCH 2006 – REVISED JULY 2006
Address 16h
Default 80h
7 6 5 4 3 2 1 0
HSYNC start
HSYNC start:
1111 1111 = – 127 × 4 pixel clocks
1111 1110 = – 126 × 4 pixel clocks
1000 0001 = – 1 × 4 pixel clocks
1000 0000 = 0 pixel clocks (default)
0111 1111 = 1 × 4 pixel clocks
0111 1110 = 2 × 4 pixel clocks
0000 0000 = 128 × 4 pixel clocks
Figure 9-2. Horizontal Sync
Table 9-7. Clock Delays (CLKs)
STANDARD N
hbhs
N
hb
NTSC 16 272
PAL 20 284
SECAM 40 280
Detailed timing information is also available in Section 4.12 , Synchronization Signals.
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