參數(shù)資料
型號: 935267395557
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PBGA156
封裝: 15 X 15 MM, 1.15 MM HEIGHT, PLASTIC, MS-034, SOT-472-1, BGA-156
文件頁數(shù): 63/178頁
文件大小: 988K
代理商: 935267395557
2004 Jul 22
155
Philips Semiconductors
Product specication
Multistandard video decoder with adaptive
comb lter and component video input
SAA7118
Table 125 Accumulation length; register set A [A1H[5:0]] and B [D1H[5:0]]
Table 126 Prescaler DC gain and FIR prelter control; register set A [A2H[7:4]] and B [D2H[7:4]]; note 1
Note
1. X = don’t care.
Table 127 Prescaler DC gain and FIR prelter control; register set A [A2H[3:0]] and B [D2H[3:0]]; note 1
Note
1. X = don’t care.
HORIZONTAL PRESCALER ACCUMULATION
SEQUENCE LENGTH (XACL)
CONTROL BITS D5 TO D0
XACL5 XACL4 XACL3 XACL2 XACL1 XACL0
Accumulation length = 1
0
00000
Accumulation length = 2
0
00001
...
Accumulation length = 64
1
11111
FIR PREFILTER CONTROL
CONTROL BITS D7 TO D4
PFUV1 PFUV0
PFY1
PFY0
Luminance FIR lter bypassed
X
0
H_y(z) = 1
4 (1 2 1)
X
0
1
H_y(z) = 1
8 (1 1 1.75 4.5 1.75 1 1)
X
1
0
H_y(z) = 1
8 (1 2221)
X
1
Chrominance FIR lter bypassed
0
X
H_uv(z) = 1
4 (1 2 1)
0
1
X
H_uv(z) = 1
32 (3 8 10 8 3)
1
0
X
H_uv(z) = 1
8 (1 2221)
1
X
PRESCALER DC GAIN
CONTROL BITS D3 TO D0
XC2_1
XDCG2
XDCG1
XDCG0
Prescaler output is renormalized by gain factor = 1
X
0
Prescaler output is renormalized by gain factor = 1
2
X
001
Prescaler output is renormalized by gain factor = 1
4
X
010
Prescaler output is renormalized by gain factor = 1
8
X
011
Prescaler output is renormalized by gain factor = 1
16
X
100
Prescaler output is renormalized by gain factor = 1
32
X
101
Prescaler output is renormalized by gain factor = 1
64
X
110
Prescaler output is renormalized by gain factor = 1
128
X
111
Weighting of all accumulated samples is factor ‘1’;
e.g. XACL = 4
sequence 1 + 1 + 1 + 1 + 1
0
XXX
Weighting of samples inside sequence is factor ‘2’;
e.g. XACL = 4
sequence 1 + 2 + 2 + 2 + 1
1
XXX
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