參數(shù)資料
型號： 82C205
英文描述： Consumer IC
中文描述： 消費性IC
文件頁數(shù)： 30/47頁
文件大小： 460K
代理商： 82C205
Advance Information
82C205
912-1000-024
Page 26
Revision 1.0
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Index 5Ch
Vertical Scale-Up Random DDA Initialization (R/W)
Default = 00h
Maximum random initialization value for Vertical scale up DDA
Low Byte
Index 5Dh
Vertical Scale-Up Random DDA Initialization (R/W)
Default = 00h
Reserved
Reserved
Reserved
Reserved
Seed Sign Bit:
(Adds
randomness to
vertical scale
up.)
0: DDA init
value is an
unsigned
number.
1: DDA init
value is a
signed
number.
High Byte (for Maximum random initialization for
Vertical scale up DDA)
Index 5Eh
Vertical Scale-Up Mid Point Selection (R/W)
Default = 02h
Reserved
Reserved
Reserved
Reserved
Reserved
TV Mode Even
Field:
0: Reverse
1: Normal
DDA Field
Compensation:
0: Disable
1: Enable
0: Select DDA
Reference
1: Select Mid-
Point
Reference
Index 5Fh
Reserved
Default = 00h
Index 60h
Horizontal Scale Ratio (R/W)
Default = 00h
Horizontal Scale Ratio for Decimation
This value is determined by the following formula, where Capture Xsize is the number of pixels per
line in the incoming video frame and Display Xsize is the number of pixels per line in the panel:
If Capture Xsize > Display Xsize then
Xratio = (((Display Xsize * 8192) / Capture Xsize) + 1) / 2
Otherwise,
Xratio = 4096
Low Byte
Index 61h
Horizontal Scale Ratio (R/W)
Default = 00h
Reserved
Reserved
Reserved
High Byte
Index 62h
Output X Size (R/W)
Default = 00h
Number of Pixels in a line of the displayed image (after scaling).
Low Byte
Index 63h
Output X Size (R/W)
Default = 00h
Reserved
Reserved
Reserved
Reserved
Reserved
High Byte
Index 64h
Input X Size (R/W)
Default = 00h
Number of Pixels per line in incoming image (before scaling).
Low Byte
Index 65h
Input X Size (R/W)
Default = 00h
Reserved
Reserved
Reserved
Reserved
Reserved
High Byte
Index 66h
Horizontal Scale-Down Random DDA Initialization (R/W)
Default = 00h
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