Datasheet

TVP5158, TVP5157, TVP5156
SLES243G –JULY 2009–REVISED APRIL 2013 www.ti.com
Table 4-23. Chrominance Processing Control 1
Subaddress 1Bh
Default 00h
7 6 5 4 3 2 1 0
Chroma
Reserved Color PLL reset adaptive comb Reserved Automatic color gain control [1:0]
enable
Color PLL reset
0 Color subcarrier PLL not reset (default)
1 Color subcarrier PLL reset
Chrominance adaptive comb enable
This bit is effective on composite video only.
0 Enabled (default)
1 Disabled
Automatic color gain control (ACGC) [1:0]
00 ACGC enabled (default)
01 Reserved
10 ACGC disabled, ACGC set to the nominal value
11 ACGC frozen to the previously set value
Table 4-24. Chrominance Processing Control 2
Subaddress 1Ch
Default 0Ch
7 6 5 4 3 2 1 0
PAL
Reserved WCF Chrominance filter select [1:0]
compensation
PAL compensation
This bit is not effective to NTSC mode.
0 Disabled
1 Enabled (default)
Wideband chroma LPF filter (WCF)
0 Disabled
1 Enabled (default)
Chrominance filter select [1:0]
This register trades chroma bandwidth for less false color.
00 Disabled (default)
01 Notch 1
10 Notch 2
11 Notch 3
54 Internal Control Registers Copyright © 2009–2013, Texas Instruments Incorporated
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