Philips Semiconductors
Product specification
Multimedia bridge, high performance
Scaler and PCI circuit (SPCI)
SAA7146A
Table 75 Prefilter selection for colour difference signals UV
PFY1
PFY0
PFY1
PFY0
H1
H2
H3
A
X
X
X
0
0
1
1
X
X
X
0
1
0
1
0
0
1
1
1
1
1
0
1
0
1
1
1
1
bypass
active
active
active
active
active
active
bypass
bypass
bypass
active
bypass
bypass
active
active
bypass
active
active
X
X
X
2
15
bypass
bypass
active
⁄
⁄
⁄
16
7
3
8
4
Table 76 DC gain control of Y scaler
DCGY2
DCGY1
DCGY0
DCGY
GAIN FACTOR
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
2
3
4
5
6
7
2
4
8
16
32
64
128
256
Table 77 Weight factor as a function of CYi and DCGY
DCGY
CYi
0
1
2
3
0
⁄
4
0
⁄
5
6
7
0
1
2
3
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
⁄
2
⁄
⁄
⁄
⁄
⁄
⁄
4
2
8
4
2
16
32
64
1
1
1
1
1
1
0
⁄
8
4
⁄
⁄
⁄
16
32
16
1
1
1
1
⁄
⁄
8
Table 78 Coefficient select for Y (vertical) processing in accumulation mode
CYBi
CYAi
CYi
0
WEIGHTING FACTOR
0
0
1
1
0
1
0
1
0
1
2
4
1
2
3
1998 Apr 09
92
NXP [ NXP ]
