ADV7181 AD [Analog Devices], ADV7181 Datasheet - Page 89

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

MODE 3 525I/625I YPRPB INPUT (Y ON AIN1, PR ON AIN3, AND PB ON AIN5)
All standards are supported through autodetect, 8-bit, ITU-R BT.656 output on P15–P8.
Table 87. Mode 3 YPrPb Input 525i/625i
Register Address
0x00
0x50
0xC3
0xC4
0x0E
0x52
0x58
0x77
0x7C
0x7D
0xD0
0xD5
0xE4
0x0E
MODE 4 CVBS TUNER INPUT CVBS PAL ON AIN6
8-bit, ITU-R BT.656 output on P15–P8.
Table 88. Mode 4 Tuner Input CVBS PAL Only
Register Address
0x00
0x07
0x15
0x17
0x19
0x3A
0x50
0xC3
0xC4
0x0E
0x50
0x52
0x58
0x77
0x7C
0x7D
0xD0
0xD5
0xD7
0xE4
0xEA
0x0E
Register Value
0x0A
0x04
0xC9
0x8D
0x80
0x18
0xED
0xC5
0x93
0x00
0x48
0xA0
0x3E
0x00
Register Value
0x80
0x01
0x00
0x41
0xFA
0x16
0x0A
0x05
0x80
0x80
0x20
0x18
0xED
0xC5
0x93
0x00
0x48
0xA0
0xEA
0x3E
0x0F
0x00
Notes
YPrPb Input
Set DNR threshold.
Man mux AIN1 to ADC0 (1001), AIN3 to ADC1 (1100).
Enable manual muxing, Man mux AIN5 to ADC2 (1101)
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.
Notes
Force PAL input only mode.
Enable PAL autodetection only.
Slow down digital clamps.
Set CSFM to SH1.
Stronger dot crawl reduction.
Power down ADC 1 and ADC 2.
Set higher 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.
Rev. 0 | Page 89 of 96
ADV7181B