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AK8854VQ Datasheet(PDF) 74 Page - Asahi Kasei Microsystems

Part # AK8854VQ
Description  Multi-Format Digital Video Decoder
Download  95 Pages
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Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AK8854VQ Datasheet(HTML) 74 Page - Asahi Kasei Microsystems

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[AK8854VQ]
MS0973-E-01
74
2008/07
AGC & ACC Control Register (R/W) [Sub Address 0x0A], for AGC and ACC setting
Sub Address 0x0A
Default Value: 0x00
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
ACCFRZ
ACC1
ACC0
AGCFRZ
AGCC1
AGCC0
AGCT1
AGCT0
Default Value
0
0
0
0
0
0
0
0
AGC & ACC Control Register Definition
Bit
Register
Name
R/W
Definition
bit 0
~
bit 1
AGCT0
~
AGCT1
AGC Time Constant
R/W
AGC time constant (T) setting*
(if disabled, PGA can be set manually)
[AGCT1: AGCT0]
[00]: Disable
[01]: Fast [T = 1 field]
[10]: Middle [T = 7 fields]
[11]: Slow [T = 29 fields ]
bit 2
~
bit 3
AGCC0
~
AGCC1
AGC Coring Control
R/W
AGC non-sensing bandwidth (LSB) setting
[AGCC1: AGCC0]
[00]: ±2 LSB
[01]: ±3 LSB
[10]: ±4 LSB
[11]: No non-sensing band
bit 4
AGCFRZ
AGC Freeze
R/W
AGC freeze function (ON/OFF) setting
(AGC set values are saved during freeze)
[0]:
Non-frozen
[1]:
Frozen
bit 5
~
bit 6
ACC0
~
ACC1
ACC Time Constant
R/W
ACC time constant (T) setting
[ACCT1: ACCT0]
[00]: Disable
[01]: Fast [T = 2Fields]
[10]: Middle [T =8Fields]
[11]: Slow [T = 30Fields]
bit 7
ACCFRZ
ACC Freeze
R/W
ACC freeze function (ON/OFF) setting
(ACC set values are saved during freeze)
[0] :
Non-frozen
[1] :
Frozen
AGCT must be set “disable” when sync signal is H/VSYNC or CSYNC at RGB input.


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