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參數(shù)資料
| 型號： | ADV7189KST |
| 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)： | 94/104頁 |
| 文件大小： | 890K |
| 代理商： | ADV7189KST |
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ADV7189
Table 205. Registers 0xDC to 0xE4
Subaddress
Register
0xDC
Letterbox
Control 1
Rev. A | Page 94 of 104
Bit Description
LB_TH [4:0]
. Sets the threshold value that
detects a black.
Bit
4
0
Comment
Default threshold for detection of
black lines.
Set as default
LB detection ends with last line of
active video on a field.
1100: 262/525.
Letterbox detection aligned with
start of active video.
0100: 23/286 NTSC.
Chroma gain = 0 dB.
7
6
5
3
1
2
1
1
0
0
0
1
0
1
1
1
0
0
Reserved.
LB_EL[3:0]
. Programs the end line of the
activity window for LB detection (end of
field).
0
1
0
0
0xDD
Letterbox
Control 2
LB_SL[3:0]
. Programs the start line of the
activity window for LB detection (start of
field).
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0xDE
Reserved.
0xDF
Reserved.
0xE0
Reserved.
0xE1
SD Offset Cb
SD_OFF_CB [7:0]
. Adjusts the hue by
selecting the offset for the Cb channel.
0xE2
SD Offset Cr
SD_OFF_CR [7:0]
. Adjusts the hue by
selecting the offset for the Cr channel.
0xE3
SD
Saturation
Cb
SD
Saturation Cr
SD_SAT_CB [7:0]
. Adjusts the saturation
of the picture by affecting the gain on the
Cb channel.
SD_SAT_CR [7:0]
. Adjusts the saturation
of picture by affecting the gain on the Cr
channel.
1
0
0
0
0
0
0
0
Chroma gain = 0 dB.
0xE4
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