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ADV7324
Table 10. Register 0x12
SR7–
SR0
Register
0x12
HD Mode
Register 3
Rev. 0 | Page 28 of 92
Bit Description
HD Y Delay with Respect
to Falling Edge of HSYNC
Bit 7
0
1
Bit 6
0
1
Bit 5
0
0
0
0
1
Bit 4
0
0
1
1
0
Bit 3
0
1
0
1
0
Bit 2
0
0
0
0
1
Bit 1
0
0
1
1
0
Bit 0
0
1
0
1
0
Register Setting
0 clock cycles
1 clock cycles
2 clock cycles
3 clock cycles
4 clock cycles
0 clock cycles
1 clock cycle
2 clock cycles
3 clock cycles
4 clock cycles
Disabled
Enabled
Disabled
Enabled
Reset
Value
0x00
HD Color Delay with
Respect to Falling Edge of
HSYNC
HD CGMS
HD CGMS CRC
Table 11. Registers 0x13 to 0x14
SR7–
SR0
Register
0x13
HD Mode
Register 4
Bit Description
HD Cr/Cb Sequence
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
Register Setting
Cb after falling edge of HSYNC.
Reset
Value
0x4C
1
Cr after falling edge of HSYNC.
0 must be written to this bit.
8-bit input.
10-bit input.
Disabled.
Enabled.
0 must be written to this bit.
Disabled.
Enabled.
4:4:4
4:2:2
Disabled.
Enabled.
A low-high-low transition
resets the internal HD timing
counters.
0x14
HD Mode
Register 5
Reserved
HD Input Format
Sinc Filter on DAC D, E, F
Reserved
HD Chroma SSAF
HD Chroma Input
HD Double Buffering
HD Timing Reset
0
1
0
1
0
1
0
0
1
0
1
0
x
0x00
HD Hsync Generation
1
HD Vsync Generation
1
HD Blank Polarity
0
1
0
1
0
1
Refer to the HSYNC/VSYNC
Output Control section.
BLANK active high.
BLANK active low.
Macrovision disabled.
HD Macrovision for 525p
and 625p
Reserved
0
0
1
Macrovision enabled.
0 must be written to these bits.
HD VSYNC/Field Input
0
1
0 = field input.
1 = VSYNC input.
Update field/line counter.
Horizontal/Vertical
Counters
2
0
1
Field/line counter free running.
1
Used in conjunction with HD SYNC in Register 0x02, Bit 7, set to 1.
2
When set to 0, the horizontal/vertical counters automatically wrap around at the end of the line/field/frame of the standard selected. When set to 1, the
horizontal/vertical counters are free running and wrap around when external sync signals indicate to do so.