ADV7181 AD [Analog Devices], ADV7181 Datasheet - Page 88

• Manufacturer Part Number: ADV7181
• Description: Multiformat SDTV Video Decoder
• Manufacturer: AD [Analog Devices]

ADV7181B
I
MODE 1 CVBS INPUT (COMPOSITE VIDEO ON AIN6)
All standards are supported through autodetect, 8-bit, 4:2:2, ITU-R BT.656 output on P15–P8.
Table 85. Mode 1 CVBS Input
Register Address
0x15
0x17
0x3A
0x50
0xC3
0xC4
0x0E
0x50
0x52
0x58
0x77
0x7C
0x7D
0xD0
0xD5
0xD7
0xE4
0xEA
0x0E
MODE 2 S-VIDEO INPUT (Y ON AIN1 AND C ON AIN4)
All standards are supported through autodetect, 8-bit, ITU-R BT.656 output on P15–P8.
Table 86. Mode 2 S-Video Input
Register Address
0x00
0x15
0x3A
0x50
0xC3
0xC4
0x0E
0x50
0x52
0x58
0x77
0x7C
0x7D
0xD0
0xD5
0xD7
0xE4
0xEA
0x0E
2
C PROGRAMMING EXAMPLES
Register Value
0x00
0x41
0x16
0x04
0x05
0x80
0x80
0x20
0x18
0xED
0xC5
0x93
0x00
0x48
0xA0
0xEA
0x3E
0x0F
0x00
Register Value
0x06
0x00
0x12
0x04
0x41
0x80
0x80
0x20
0x18
0xED
0xC5
0x93
0x00
0x48
0xA0
0xEA
0x3E
0x0F
0x00
Notes
Slow down digital clamps.
Set CSFM to SH1.
Power down ADC 1 and ADC 2.
Set DNR threshold.
Man mux AIN6 to ADC0 (0101).
Enable manual muxing.
ADI recommended programming sequence. This sequence must be followed exactly when
setting up the decoder.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Notes
S-Video input
Slow down digital clamps.
Power down ADC 2.
Set DNR threshold.
Man mux AIN2 to ADC0 (0001), AIN4 to ADC1 (0100).
Enable manual muxing
ADI recommended programming sequence. This sequence must be followed exactly when
setting up the decoder.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Rev. 0 | Page 88 of 96