ADV7181B_15 Datasheet, PDF (88/100 Pages) Analog Devices – Multiformat SDTV Video Decoder

ADV7181B
I²C PROGRAMMING EXAMPLES
EXAMPLES FOR 28 MHz CLOCK
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 to P8.
Table 86. Mode 1 CVBS Input
Register Address Register Value Notes
0x15
0x00
Slow down digital clamps.
0x17
0x41
Set CSFM to SH1.
0x1D
0x40
Enable 28 MHz crystal.
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
0xEA
0xE9
0x0E
0x40
0x16
0xC3
0xE4
0x04
0x05
0x80
0x80
0x20
0x18
0xED
0xC5
0x93
0x00
0xC9
0x40
0x3C
0xCA
0xD5
0x50
0x4E
0xDD
0x51
0xA0
0xEA
0x3E
0x0F
0x3E
0x00
TRAQ.
Power down ADC 1 and ADC 2.
MWE enable manual window.
BGB to 36.
Set DNR threshold.
E ^{Man mux AIN6 to ADC0 (0101).}
Enable manual muxing.
ADI recommended programming sequence. This sequence must be followed exactly when setting
up the decoder.
T _{Recommended setting.}
Recommended setting.
Recommended setting.
E ^{Recommended setting.}
Recommended setting.
Recommended setting.
Recommended setting.
L _{Recommended setting.}
Recommended setting.
Recommended setting.
Recommended setting.
O _{Recommended setting.}
Recommended setting.
Recommended setting.
S Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
B_{Recommended setting.}
Recommended setting.
O^{Recommended setting.}
Rev. B | Page 88 of 100