參數(shù)資料
型號: MSM7661B
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: NTSC/PAL Digital Dencoder(NTSC/PAL制式數(shù)字譯碼器)
中文描述: NTSC / PAL數(shù)字Dencoder(的NTSC / PAL制式數(shù)字譯碼器)
文件頁數(shù): 19/42頁
文件大?。?/td> 302K
代理商: MSM7661B
Semiconductor
MSM7661B
19/42
Vertical Valid Trimmer (VVALT) <default: 0x00>
VVALT[7:4]
VVALID begin trimmer (1/line)
0x8: –8
to
0x7: +7
VVALT[3:0]
VVALID stop trimmer (1/line)
0x8: –8
to
0x7: +7
Luminance Control (LUMC) <default: 0x40>
LUMC[7]
Output level limiter
*0: OFF
1: ON
(Note) The limit range is from 16 to 235 at limiter ON.
LUMC[6]
Use of Pre-filter
0:
Prefilter is not used.
Prefilter is used.
*1:
LUMC[5:4]
Aperture bandpass select
*00:
01:
10:
11:
middle range
high range
LUMC[3:2]
Coring range select
*00:
01:
10:
11:
coring off
+/–4LSB
+/–5LSB
+/–7LSB
LUMC[1:0]
Aperture filter weighting factor
*00:
01:
10:
11:
0
0.25
0.75
1.5
AGC/Pedestral Loop filter control (AGCLF) <default: 0x40>
AGCLF[7:6]
AGC loop filter time constant
00:
*01:
10:
11:
slow
medium
fast
fixed
AGCLF[5:0]
AGC reference level
0x20: –32
to
0x1F: +31
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