47 afe fine gain for cvbs_luma register, 48 field id control register – Texas Instruments TVP5147M1PFP User Manual
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Functional Description
53
SLES140A—March 2007
TVP5147M1PFP
2.11.47 AFE Fine Gain for CVBS_Luma Register
Subaddress
50h−51h
Default
900h
Subaddress
7
6
5
4
3
2
1
0
50h
FGAIN 4 [7:0]
51h
Reserved
FGAIN 4 [11:8]
FGAIN 4 [11:0]: This fine gain applies to CVBS or S-video luma (see AFE fine gain for Pb register,
Section 2.11.44).
This register works only in manual gain control mode. When AGC is active, writing to any value is ignored.
1111 1111 1111 = 1.9995
1100 0000 0000 = 1.5
1001 0000 0000 = 1.125 (default)
1000 0000 0000 = 1
0100 0000 0000 = 0.5
0011 1111 1111 to 0000 0000 0000 = Reserved
2.11.48 Field ID Control Register
Subaddress
57h
Default
00h
7
6
5
4
3
2
1
0
656 version
FID control
656 Version
0 = ITU-R BT.656-4 (default)
1 = ITU-R BT.656-3
FID control
0 = 0
→
1 adapts to field 1, 1
→
0 adapts to field 1+ field 2 (default)
1 = 0
→
1 adapts to field 2, 1
→
0 adapts to field 1+ field 2 (for TVP5147M1 EVM)