Datasheet

TVP5147M1
SLES140G –JULY 2005–REVISED FEBRUARY 2012 www.ti.com
Table 2-64. AFE Fine Gain for Y_Chroma Register
Subaddress 4Ch–4Dh
Default 900h
Subaddress 7 6 5 4 3 2 1 0
4Ch FGAIN 2 [7:0]
4Dh Reserved FGAIN 2 [11:8]
FGAIN 2 [11:0]:
This gain applies to component Y channel or S-video chroma (see AFE fine gain for Pb register, Table 2-63).
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
Table 2-65. AFE Fine Gain for Pr Register
Subaddress 4Eh–4Fh
Default 900h
Subaddress 7 6 5 4 3 2 1 0
4Eh FGAIN 3 [7:0]
4Fh Reserved FGAIN 3 [11:8]
FGAIN 3 [11:0]:
This fine gain applies to component Pr (see AFE fine gain for Pb register, Table 2-63).
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
Table 2-66. 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, Table 2-63).
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
64 Functional Description Copyright © 2005–2012, Texas Instruments Incorporated
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