參數(shù)資料
型號: SAA7105H
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: Digital video encoder
文件頁數(shù): 32/71頁
文件大?。?/td> 354K
代理商: SAA7105H
2004 Mar 04
32
Philips Semiconductors
Product specification
Digital video encoder
SAA7104H; SAA7105H
Table 33
Subaddress 37H
Table 34
Logic levels and function of YFIL
Table 35
Subaddresses 38H and 39H
DATA BYTE
LOGIC
LEVEL
DESCRIPTION
YUPSC
0
1
normal operation of the vertical scaler; default after reset
vertical upscaling is enabled
controls the vertical interpolation filter, see Table 34; the filter is not available if
YUPSC = 1
normal operation of the cursor generator; default after reset
the cursor will be zoomed by a factor of 2 in both directions
expected input level swing is 16 to 235 (8-bit RGB); default after reset
expected input level swing is 0 to 255 (8-bit RGB)
no horizontal interpolation filter; default after reset
interpolation filter for horizontal upscaling is active
YFIL
CZOOM
0
1
0
1
0
1
IGAIN
XINT
DATA BYTE
DESCRIPTION
YFIL1
YFIL0
0
0
1
1
0
1
0
1
no filter active; default after reset
filter is inserted before vertical scaling
filter is inserted after vertical scaling; YSKIP should be logic 0
reserved
DATA BYTE
DESCRIPTION
GY4 to GY0
Gain luminance of RGB (C
R
, Yand C
B
) output, ranging from (1
16
32
) to (1 +
15
32
).
Suggested nominal value = 0, depending on external application.
Gain colour difference of RGB (C
R
, Yand C
B
) output, ranging from
(1
16
32
) to (1 +
15
32
). Suggested nominal value = 0, depending on external
application.
GCD4 to GCD0
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