Datasheet

60
SLES084C − August 2007TVP5146
2.11.55 AFE Fine Gain for R_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 Pb/B.
Fine_Gain = (1/2048) * FGAIN 3, where 0  FGAIN 3  4095
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
2.11.56 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.
Fine_Gain = (1/2048) * FGAIN 4, where 0  FGAIN 4  4095
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
2.11.57 ROM Version Register
Subaddress 70h
Read only
7 6 5 4 3 2 1 0
ROM version [7:0]
ROM Version [7:0]: ROM revision number