
REV. A
–26–
ADV7310/ADV7311
LINE 313
LINE 314
LINE 1
tB
HSYNC
VSYNC
tA
tC
Figure 21. Timing Register 1 in PAL Mode
SR7–
SR0
Register
Bit Description
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Register Setting
Reset
Values
4Ah
SD Slave/Master Mode
0
Slave Mode
08h
1
Master Mode
SD Timing Mode
0
Mode 0
01
Mode 1
10
Mode 2
11
Mode 3
SD
BLANK Input
0
Enabled
1
Disabled
SD Luma Delay
0
No delay
01
2 clk cycles
10
4 clk cycles
11
6 clk cycles
SD Min. Luma Value
0
– 40 IRE
1– 7.5 IRE
SD Timing Reset
x
0
0000
0A low-high-low transition will reset
the internal SD timing counters
4Bh
SD
HSYNC Width
00
Ta = 1 clk cycle
00h
01
Ta = 4 clk cycles
10
Ta = 16 clk cycles
11
Ta = 128 clk cycles
SD
HSYNC to VSYNC delay
00
Tb = 0 clk cycle
01
Tb = 4 clk cycles
10
Tb = 8 clk cycles
11
Tb = 18 clk cycles
x0
Tc = Tb
x1
Tc = Tb + 32 us
00
1 clk cycle
01
4 clk cycles
10
16 clk cycles
11
128 clk cycles
HSYNC to Pixel Data Adjust
00
0 clk cycles
01
1 clk cycle
10
2 clk cycles
11
3 clk cycles
4Ch
SD FSC Register 0
xxx
xxxx
x
Subcarrier Frequency Bit 7–0
16h
4Dh
SD F
SC Register 1
xxx
xxxx
x
Subcarrier Frequency Bit 15–8
7Ch
4Eh
SD FSC Register 2
xxx
xxxx
x
Subcarrier Frequency Bit 23–16
F0h
4Fh
SD F
SC Register 3
xxx
xxxx
x
Subcarrier Frequency Bit 31–24
21h
50h
SD FSC Phase
xxx
xxxx
x
Subcarrier Phase Bit 9–2
00h
51h
SD Closed
Captioning
Extended Data on Even Fields
x
xxxx
x
Extended Data Bit 7–0
00h
52h
SD Closed
Captioning
Extended Data on Even Fields
x
xxxx
x
Extended Data Bit 15–8
00h
53h
SD Closed
Captioning
Data on Odd Fields
x
xxxx
x
Data Bit 7–0
00h
54h
SD Closed
Captioning
Data on Odd Fields
x
xxxx
x
Data Bit 15–8
00h
55h
SD Pedestal
Register 0
Pedestal on Odd Fields
17
16
15
14
13
12
11
10
00h
56h
SD Pedestal
Register 1
Pedestal on Odd Fields
25
24
23
22
21
20
19
18
00h
57h
SD Pedestal
Register 2
Pedestal on Even Fields
17
16
15
14
13
12
11
10
00h
58h
SD Pedestal
Register 3
Pedestal on Even Fields
25
24
23
22
21
20
19
18
00h
SD Timing
Register 0
SD Timing
Register 1
Setting any of these bits to 1 will
disable pedestal on the line number
indicated by the bit settings
SD
HSYNC to VSYNC Rising
Edge Delay [Mode 1 Only]
VSYNC Width [Mode 2 Only]