30
Video Input/Output Daughter Card
UG235 (v1.2.1) October 31, 2007
Chapter 3:
Component and S-Video Interfaces
R
Refer to the ADV7403 data sheet for other video configurations.
ADV7321A Configuration Modes
, details the parameters setting for the internal registers of the ADV7321A Video
Encoder device for each of the supported video standards.
The ADV7301 is mapped to I2C address 0x54/0x55.
TLLC
control
0x3c
0x5d
PLL qpump
0x6b
0xC2
[3:0]cpop_sel(1=20-bit,2=30-bit)
0x85
0x18
Turn off SSPD as sync is on Y
0x86
0x0b
ENABLE SDTI line count mode
0xb3
0xfe
SDTI
ADC sw1
0xc3
0x54
[7:4]=adc1
[3:0]=adc0
ADC sw2
0xc4
0x86
[7]=sw_en,
[6]=SOG
[3:0]=adc2
0x0e
0x80
Startup sequence
0x52
0x46
0x54
0x00
0x0e
0x00
Notes:
1. The ADC sw1 and sw2 are unique to the VIODC input configuration.
Table 3-1:
Configuration Modes for ADV7403 Video Decoder Chip
(Continued)
Register
Name
Register
Address
Register
Value
Description
Table 3-2:
Configuration Modes for ADV7321A Video Encoder Chip
Register
Name
Register
Address
Register
Value
Description
525P
Power Mode
0x00
0xFE
[7]=DACA_composite
[6]=DACB_luma
[5]=DACC_chroma
[4]=DACD_Y
[3]=DACE_Pr
[2]=DACF_Pb on
[1]=pll_off(1=off)
[0]=sleep(1=sleep)
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