參數(shù)資料
型號(hào): SAA7140B
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: High Performance Scaler HPS
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP128
文件頁(yè)數(shù): 25/68頁(yè)
文件大小: 432K
代理商: SAA7140B
1996 Sep 04
25
Philips Semiconductors
Objective specification
High Performance Scaler (HPS)
SAA7140A; SAA7140B
Table 1
Horizontal prescaling and normalization
HORIZONTAL
PRESCALING
XPSC
COEFFICIENT SEQUENCE
(example)
CXY (luma)/
CXUV (chroma)
(HEX)
WEIGHT
SUM
DCGX
BSC
(CONT/SAT)
= x/y
×
64
1
2
3
1
1
4
5
1
4
6
1
1
8
7
1
1
8
9
1
4
5
1
1
8
11
1
1
8
12
1
1
8
13
1
1
8
14
1
1
8
15
1
1
16
17
1
16
18
1
1
1
1
2
0
1
1-1
1-1-1
1-2-1
1-1-1-1
1-1-1-1-1
1-2-2-2-1
111 111
121 121
112 211
111 1 111
111 2 111
1111 1111
1111 1 1111
1222 2 2221
1111 1 1 1111
1221 2 2 1221
1122 2 2 2211
1111 1 1 1 1111
1212 1 2 1 2121
1112 2 2 2 2111
1111 11 11 1111
1211 21 12 1121
1111 22 22 1111
1111 11 1 11 1111
1121 11 2 11 1211
1111 12 2 21 1111
1111 111 111 1111
1111 211 112 1111
1111 112 221 1111
1111 111 1 111 1111
1111 111 2 111 1111
1111 1111 1111 1111
1111 1111 1 1111 1111
1222 2222 2 2222 2221
1111 1111 1 1 1111 1111
1222 2222 1 1 2222 2221
1222 2122 22 2212 2221
00
00
02
00
00
06
00
02
04
00
08
00
00
1E
00
16
1C
00
2A
38
00
12
30
00
44
60
00
10
40
00
80
00
2
3
4
4
5
8
6
8
8
7
8
9
16
10
2
16
2
16
2
11
2
16
2
16
2
12
2
16
2
16
2
13
2
16
2
16
2
14
2
16
2
16
2
15
2
16
2
16
2
17
2
32
2
18
4
32
4
32
4
1
1
2
2
2
3
2
3
3
3
3
3
3
7
2
3
3
2
3
3
2
3
3
2
3
3
2
3
3
2
3
3
3
7
2
3
3
1
3
1
4
2
3
1
5
4
1
6
5
1
7
1
8
6
7
1
9
8
1
10
9
1
11
10
1
12
11
1
13
12
1
14
13
1
15
1
16
14
15
FF
00
FE
DF
1
17
16
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