參數(shù)資料
型號: 935242220557
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP208
封裝: PLASTIC, SOT-316, SQFP-208
文件頁數(shù): 118/148頁
文件大小: 692K
代理商: 935242220557
1998 Apr 09
71
Philips Semiconductors
Product specication
Multimedia bridge, high performance
Scaler and PCI circuit (SPCI)
SAA7146A
Table 57 Horizontal prescaling and normalization
HORIZONTAL
PRESCALER
XPSC
COEFFICIENT
SEQUENCE (EXAMPLE)
CXY (LUMINANCE)
CXUV (CHROMA)
WEIGHT
SUM
DCGX
BCS
(CONTR. | SAT.)
= X/Y
× 64
1
0
1-1
0 0
2
1
2
1
1-1-1
0 0
3
1
2
3
1-2-1
0 2
4
2
1
3
2
1-1-1-1
0 0
4
2
1
4
3
1-1-1-1-1
0 0
5
2
4
5
1-2-2-2-1
0 6
8
3
1
5
4
111 111
0 0
6
2
4
6
121 121
0 2
8
3
1
112 211
0 4
8
3
1
6
5
1111111
00
7
3
8
7
1112111
08
8
3
1
7
6
1111 1111
0 0
8
3
1
8
7
1111 1 1111
0 0
9
3
8
9
1222 2 2221
1 E
16
7
1
Fig.20 Chrominance Prefilter: frequency response for miscellaneous register settings.
handbook, full pagewidth
MGG264
0
0.5
18
12
18
24
30
36
6
42
0
6
12
dB
0.1
0.2
0.3
0.4
MHz
0001
0010
0011
1111
1010
1110
PFUV3 to PFUV0
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