參數(shù)資料
型號： ADV7183AKST
廠商： ANALOG DEVICES INC
元件分類： 顏色信號轉(zhuǎn)換
英文描述： Multiformat SDTV Video Decoder
中文描述： COLOR SIGNAL DECODER, PQFP80
封裝： LEAD FREE, MS-026-BEC, LQFP-80
文件頁數(shù)： 81/104頁
文件大?。?/td> 894K
代理商： ADV7183AKST
ADV7183A
Table 188. Register 0x2B to 0x2C
Subaddress
Register
0x2B
Control
Rev. A | Page 81 of 104
Bit Description
PW_UPD
. Peak white update
determines the rate of gain.
Bit
4
Comments
Update once per
video line
Update once per
field
Set to default
Notes
Peak white must be
enabled. See LAGC[2:0]
7
6
5
3
2
1
0
0
1
1
0
0
0
0
1
For SECAM color kill,
threshold is set at 8%
See CKILLTHR[2:0]
(
Table 196
)
Use CMG[11:0]
Reserved
0
1
Color kill disabled
Color kill enabled
CKE
. Color kill enable allows
the color kill function to be
switched on and off.
0x2C
1
1
1
0
0
0
1
Set to default
Manual fixed gain
Use luma gain for
chroma
Automatic gain
Freeze chroma gain
Set to 1
Manual fixed gain
AGC no override
through white
peak. Man IRE
control.
AGC auto-override
through white
peak. Man IRE
control.
AGC no override
through white
peak. Auto IRE
control.
AGC auto-override
through white
peak. Auto IRE
control.
AGC active video
with white peak
AGC active video
with average video
Freeze gain
Set to 1
Misc Gain
Reserved
0
0
0
0
0
1
1
1
1
1
0
1
Based on color burst
Use LMG[11:0]
Blank level to sync tip
CAGC[1:0]
. Chroma automatic
gain control selects the basic
mode of operation for the AGC
in the chroma path.
Reserved
0
1
0
Blank level to sync tip
0
1
1
Blank level to sync tip
1
0
0
Blank level to sync tip
1
0
1
1
1
0
LAGC[2:0]
. Luma automatic
gain control selects the mode
of operation for the gain
control in the luma path.
1
1
1
1
AGC Mode
Control
Reserved
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