參數(shù)資料
型號: SAA4945H
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: LIne MEmory noise Reduction IC LIMERIC
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
文件頁數(shù): 8/20頁
文件大?。?/td> 116K
代理商: SAA4945H
1997 Jun 10
8
Philips Semiconductors
Preliminary specification
LIne MEmory noise Reduction IC
(LIMERIC)
SAA4945H
Table 8
Input /output data coding
INPUT
BIT
INPUT DATA SEQUENCE
Y
Y7
Y6
Y5
Y4
Y3
Y2
Y1
Y0
UI1
UI0
VI1
VI0
Y
0
7
Y
0
6
Y
0
5
Y
0
4
Y
0
3
Y
0
2
Y
0
1
Y
0
0
U
0
7
U
0
6
V
0
7
V
0
6
Y
1
7
Y
1
6
Y
1
5
Y
1
4
Y
1
3
Y
1
2
Y
1
1
Y
1
0
U
0
5
U
0
4
V
0
5
V
0
4
Y
2
7
Y
2
6
Y
2
5
Y
2
4
Y
2
3
Y
2
2
Y
2
1
Y
2
0
U
0
3
U
0
2
V
0
3
V
0
2
Y
3
7
Y
3
6
Y
3
5
Y
3
4
Y
3
3
Y
3
2
Y
3
1
Y
3
0
U
0
1
U
0
0
V
0
1
V
0
0
U
V
WE
I
(
PIN
21)
Write enable input
Write enable indicates the time when active input
samples (Y, U and V) are present
Timing relation (see Fig.4) depending on the logic level
of the
W
rite
E
nable
S
elect signal (WES) in status
register; to adapt to different external video memories
The number of input samples is a multiple of 4 (see
Fig.4)
Start of new line indicated by write enable signal LOW
for at least 4 consecutive clock periods (see Fig.4)
During active line, WE
I
is not allowed to be LOW for
more than 1 clock cycle.
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