Mode 4 CVBS Tuner Input CVBS PAL on AIN6
All standards are supported through autodetect, 8-bit, ITU-R BT.656 output on P15 to P8.
Table 89. Mode 4 Tuner Input CVBS PAL Only
Register Address
0x00
0x07
0x15
0x17
0x19
0x1D
0x0F
0x3A
0x3D
0x3F
0x50
0xC3
0xC4
0x0E
0x50
0x52
0x58
0x77
0x7C
0x7D
0x90
0x91
0x92
0x93
0x94
0xCF
0xD0
0xD6
0xE5
0xD5
0xD7
0xE4
0xE9
0xEA
0x0E
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Register Value
Notes
0x80
Force PAL input only mode.
0x01
Enable PAL autodetection only.
0x00
Slow down digital clamps.
0x41
Set CSFM to SH1.
0xFA
Stronger dot crawl reduction.
0x40
Enable 28 MHz crystal.
0x40
TRAQ.
0x16
Power down ADC 1 and ADC 2.
0xC3
MWE enable manual window.
0xE4
BGB to 36.
0x0A
Set higher DNR threshold.
0x05
Manual mux AIN6 to ADC0 (0101).
0x80
Enable manual muxing.
0x80
ADI recommended programming sequence. This sequence must be followed exactly when
setting up the decoder.
0x20
Recommended setting.
0x18
Recommended setting.
0xED
Recommended setting.
0xC5
Recommended setting.
0x93
Recommended setting.
0x00
Recommended setting.
0xC9
Recommended setting.
0x40
Recommended setting.
0x3C
Recommended setting.
0xCA
Recommended setting.
0xD5
Recommended setting.
0x50
Recommended setting.
0x4E
Recommended setting.
0xDD
Recommended setting.
0x51
Recommended setting.
0xA0
Recommended setting.
0xEA
Recommended setting.
0x3E
Recommended setting.
0x3E
Recommended setting.
0x0F
Recommended setting.
0x00
Recommended setting.
Rev. B | Page 91 of 100
ADV7181B
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