msm7661b Oki Semiconductor, msm7661b Datasheet - Page 19

• Manufacturer Part Number: msm7661b
• Description: Ntsc/pal Digital Video Decoder
• Manufacturer: Oki Semiconductor

¡ Semiconductor
Vertical Valid Trimmer (VVALT) <default: 0x00>
VVALT[7:4]
VVALT[3:0]
Luminance Control (LUMC) <default: 0x40>
LUMC[7]
(Note) The limit range is from 16 to 235 at limiter ON.
LUMC[6]
LUMC[5:4]
LUMC[3:2]
LUMC[1:0]
AGC/Pedestral Loop filter control (AGCLF) <default: 0x40>
AGCLF[7:6]
AGCLF[5:0]
VVALID begin trimmer (1/line)
VVALID stop trimmer (1/line)
Output level limiter
Use of Pre-filter
Aperture bandpass select
Coring range select
Aperture filter weighting factor
AGC loop filter time constant
AGC reference level
0x20: –32
*00:
*00:
*00:
*01:
01:
10:
11:
01:
10:
11:
01:
10:
11:
00:
10:
11:
*1:
0:
*0: OFF
Prefilter is not used.
middle range
high range
coring off
+/–4LSB
+/–5LSB
+/–7LSB
0
0.25
0.75
1.5
slow
medium
fast
fixed
Prefilter is used.
0x8: –8 to 0x7: +7
0x8: –8 to 0x7: +7
to
0x1F: +31
1: ON
MSM7661B
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