參數(shù)資料
型號(hào): SAA7118H
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號(hào)轉(zhuǎn)換
英文描述: Multistandard video decoder with adaptive comb filter and component video input
中文描述: COLOR SIGNAL DECODER, PQFP160
封裝: 28 X 28 MM, 3.40 MM HEIGHT, PLASTIC, MS-022, SOT322-2 , QFP-160
文件頁數(shù): 153/169頁
文件大小: 665K
代理商: SAA7118H
2001 May 30
153
Philips Semiconductors
Preliminary specification
Multistandard video decoder with adaptive
comb filter and component video input
SAA7118
15.7.9
S
UBADDRESSES
A0H
TO
A2H
Table 123
Horizontal prescaling; register set A [A0H[5:0]] and B [D0H[5:0]]
Table 124
Accumulation length; register set A [A1H[5:0]] and B [D1H[5:0]]
Table 125
Prescaler DC gain and FIR prefilter control; register set A [A2H[7:4]] and B [D2H[7:4]]
X = don’t care.
HORIZONTAL INTEGER PRESCALING RATIO (XPSC)
CONTROL BITS D5 TO D0
XPSC5 XPSC4 XPSC3 XPSC2 XPSC1 XPSC0
Not allowed
Downscale = 1
Downscale =
1
2
...
Downscale =
1
63
0
0
0
...
1
0
0
0
...
1
0
0
0
...
1
0
0
0
...
1
0
0
1
...
1
0
1
0
...
1
HORIZONTAL PRESCALER ACCUMULATION
SEQUENCE LENGTH (XACL)
CONTROL BITS D5 TO D0
XACL5 XACL4 XACL3 XACL2 XACL1 XACL0
Accumulation length = 1
Accumulation length = 2
...
Accumulation length = 64
0
0
...
1
0
0
...
1
0
0
...
1
0
0
...
1
0
0
...
1
0
1
...
1
FIR PREFILTER CONTROL
CONTROL BITS D7 TO D4
PFUV1
PFUV0
PFY1
PFY0
Luminance FIR filter bypassed
H_y(z) =
1
4
(1 2 1)
H_y(z) =
1
8
(
1 1 1.75 4.5 1.75 1
1)
H_y(z) =
1
8
(1 2 2 2 1)
Chrominance FIR filter bypassed
H_uv(z) =
1
4
(1 2 1)
H_uv(z) =
1
32
(3 8 10 8 3)
H_uv(z) =
1
8
(1 2 2 2 1)
X
X
X
X
0
0
1
1
X
X
X
X
0
1
0
1
0
0
1
1
X
X
X
X
0
1
0
1
X
X
X
X
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