I 2 C Programming Examples; Examples For 28 Mhz Clock; Changes To Table 85 - Analog Devices ADV7181BCP Manual

ADV7181B
2
I C 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
0x15 0x00
0x17 0x41
0x1D 0x40
0x0F 0x40
0x3A 0x16
0x3D 0xC3
0x3F 0xE4
0x50 0x04
0xC3 0x05
0xC4 0x80
0x0E 0x80
0x50 0x20
0x52 0x18
0x58 0xED
0x77 0xC5
0x7C 0x93
0x7D 0x00
0x90 0xC9
0x91 0x40
0x92 0x3C
0x93 0xCA
0x94 0xD5
0xCF 0x50
0xD0 0x4E
0xD6 0xDD
0xE5 0x51
0xD5 0xA0
0xD7 0xEA
0xE4 0x3E
0xEA 0x0F
0xE9 0x3E
0x0E 0x00
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Notes
Slow down digital clamps.
Set CSFM to SH1.
Enable 28 MHz crystal.
TRAQ.
Power down ADC 1 and ADC 2.
MWE enable manual window.
BGB to 36.
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.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Recommended setting.
Rev. B | Page 88 of 100