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參數(shù)資料
| 型號： | AL251 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Video Scan Doubler |
| 中文描述： | 視頻掃描倍增器 |
| 文件頁數(shù)： | 13/33頁 |
| 文件大?。?/td> | 595K |
| 代理商： | AL251 |
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AL250
July 28, 1999
13
Details about the registers can be found in the Register Definition section.
6.4 Border/Border Color
The AL250/251 displays all the active pixels from the video source resulting in a larger viewable area
on a monitor than on a regular TV. This is especially advantageous for digital video sources such as
DVD. However, for some other video sources such as VCR, the unwanted and untrimmed border
may appear. To solve this, the AL250/251 provides border control by cropping the video source. In
addition, the cropped border can be filled with one color (24-bit), which is defined by registers
0Ch~0Eh.
Border/border color control applies to the AL250/251 analog output but not to the AL251 digital
YUV/RGB output.
GVSync
VSyncStart (27h)
VSyncEnd (28h)
VBlankEnd (2Eh)
VBlankStart (2Dh)
V Blank Interval (AL250)
VDEStart (25h)
VDEEnd (26h)
VIDVS
Reference start (0)
Output V Total
Top Border
Bottom Border
Visible Picture
AL250-26 Vertical timing diagram
V Blank Interval
(AL251)
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