PEDL87V21071-01
OKI Semiconductor
ML87V21071
Table F2-1-7 (14) Chrominance Noise Status Detection Mask Setting
ACY
0
1
Chrominance noise status detection
Chrominance independent detection
Luminance detection mask detection
Noise reduction direction judging threshold value 1
Noise increase direction judging threshold value 1
Noise reduction direction judging threshold value 2
Noise increase direction judging threshold value 2
Noise status judgement
YDTO1=1,CDTO1=1
YDTO2=1,CDTO2=1
YDTO1=1,CDTO1=1
YDTO2=0,CDTO2=0
Average noise value
YAVRO[6:0]
CAVRO[6:0]
YDTO1=0,CDTO1=0
YDTO2=0,CDTO2=0
0
Set by YAH1, CAH1
Set by YAH2, CAH2
YAVR1[6:0]
CAVR1[6:0]
YAVR2[6:0]
CAVR2[6:0]
Figure F2-1-7 (5) Noise Status Judgment Transition Diagram
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