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FS450, FS451
PRELIMINARY PRODUCT DESCRIPTION
JUNE, 2000, VERSION 1.2
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COPYRIGHT
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© 1999,2000 FOCUS ENHANCEMENTS, INC.
PRELIMINARY INFORM ATION
6.2.3 IHW - Input Horizontal Width
Input Horizontal Width Low (4)
7
6
5
4
3
2
1
0
IHW7
IHW6
IHW5
IHW4
IHW3
IHW2
IHW1
IHW0
Input Horizontal Width High (5)
7
6
5
4
3
2
1
0
0
0
0
0
0
0
IHW9
IHW8
Reg
Bit#
Bit Name
Description
5, 4
1-0, 7-0
IHW9-0
Input horizontal width [9:0]. Total number of active VGA pixels
per line. IHW is an unsigned number.
Range: {0 : 970}
6.2.4 VSC – Vertical Scaling Coefficient
Vertical Scaling Coefficient (6)
7
6
5
4
3
2
1
0
VSC7
VSC6
VSC5
VSC4
VSC3
VSC2
VSC1
VSC0
Vertical Scaling Coefficient (7)
7
6
5
4
3
2
1
0
VSC15
VSC14
VSC13
VSC12
VSC11
VSC10
VSC9
VSC8
Reg
Bit#
Bit Name
Description
7, 6
7-0
VSC7-0
Vertical scaling coefficient bits [15:0]. Vertical down scaling
factor = (1 + VSC/65,536). VSC is a two's complement number. If
VSC => 0, then the image is not effected.
Range: { [-32,769]:0}
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