G2R-14-12VDC Datasheet, PDF (41/73 Pages) Texas Instruments – Ultralow Power NTSC/PAL/SECAM Video Decoder With RObust Sync Detector

2.20.25 Chrominance Control #1 Register
Address
1Ah
Default
0Ch
7
6
5
Reserved
4
Color PLL reset
3
Chrominance adaptive
comb filter enable (ACE)
2
Chrominance comb filter
enable (CE)
1
0
Automatic color gain control
Color PLL reset:
0 = Color PLL not reset (default)
1 = Color PLL reset
Color PLL phase is reset to zero and the color PLL reset bit then immediately returns to zero. When this bit is set,
the subcarrier PLL phase reset bit is transmitted on terminal 23 (GLCO) on the next line (NTSC or PAL).
Chrominance adaptive comb filter enable (ACE):
0 = Disable
1 = Enable (default)
Chrominance comb filter enable (CE):
0 = Disable
1 = Enable (default)
Automatic color gain control (ACGC):
00 = ACGC enabled (default)
01 = Reserved
10 = ACGC disabled
11 = ACGC frozen to the previously set value
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