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參數(shù)資料
| 型號(hào)： | ADV7189KST |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顏色信號(hào)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> | 890K |
| 代理商： | ADV7189KST |
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ADV7189
Table 188. Register 0x2B to 0x2C
Subaddress
Register
0x2B
Misc Gain
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.
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.
Reserved.
1
1
0
1
Based on color burst.
CAGC[1:0]
. Chroma automatic
gain control selects the basic
mode of operation for the AGC
in the chroma path.
0
0
0
0
0
1
1
1
Use LMG[11:0].
Blank level to sync tip.
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
0x2C
AGC Mode
Control
Reserved.
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