Product specifications

VT8601A Apollo PLE133
Revision 1.82 October 22, 2001 -80- VGA Extended Registers
Technologies, Inc.
Delivering Value
Delivering ValueDelivering Value
Delivering Value
SR96 – New Live Video Window Control 0.....................RW
7 W2 Horizontal Interpolation
0 Interpolation........................................... default
1 Duplication
6 W1 Vertical Interpolation U and V Components
0 Enable..................................................... default
1 Disable
This bit is effective only if window 1 vertical Y
interpolation is enabled (CR8E[12] = 1)
5 Reserved .........................................always reads 0
4 656
0 Disable ................................................... default
1 Enable
3 W2 Color Space Converter (CSC) Bypass
0 Disable ................................................... default
1 Enable
2 Reserved .........................................always reads 0
1 MC Even / Odd Inverter
0 Disable ................................................... default
1 Enable
0 MC Interlace Display
0 Disable ................................................... default
1 Enable
SR97 – New Live Video Window Control 1.....................RW
7 Reserved .........................................always reads 0
6 Planar Mode X (Horizontal) Y/UV Ratio
0 2x ..................................................... default
1 4x
5-4 Planar Mode Y (Vertical) Y/UV Ratio
00 2x (Yp420) ............................................. default
01 4x (Yp410)
1x 1x (Yp422)
3 Reserved .........................................always reads 0
2-0 Window Mode.....................................default = 000b
Format
Interpolation Line Buffers
000 YUV422 H-V (96+48) x 64
001 Planar H-V (96+48) x 64
01x YUV FIFO H 96 x 64
100 MPEG2 YUV422 H-V 2x(96+48)x64
101 MPEG2 Planar H-V 2x(96+48)x64
11x YUV422 H-V (V-YUV) 2x(96+48)x64
For 1xx, only one h/w overlay window is supported
SR98 – New Live Video Window Control 2 ....................RW
7-6 Two Live Window Chroma Key Select
00 Chroma key only ....................................default
01 Window 1 & chroma key
10 Window 2 & chroma key
11 (Window 1 | Window 2) & chroma key
5-4 W1 Anti-Flicker Removal
00 Disable ....................................................default
01 One field is shifted up 1 line
10 One field is shifted up 2 lines
11 One field is shifted up 3 lines
3 W1 Anti-Flicker Removal Field Selection
0 Odd field is shifted up ............................default
1 Even field is shifted up
2-1 W2 Anti-Flicker Removal
00 Disable ....................................................default
01 One field is shifted up 1 line
10 One field is shifted up 2 lines
11 One field is shifted up 3 lines
0 W2 Anti-Flicker Removal Field Selection
0 Odd field is shifted up ............................default
1 Even field is shifted up
SR99 – New Live Video Window Control 3 ....................RW
7 Reserved ......................................... always reads 0
6 Capture Addres Swap Enable
0 Disable ....................................................default
1 Enable
5 Capture Address Swap
0 No swap ..................................................default
1 Swap
4-2 W2 HDE Delay Adjust............................. default = 0
1-0 Reserved ......................................... always reads 0
SR9B-9A – Window 1 UV Video Row Byte Offset.........RW
15-14 Reserved ......................................... always reads 0
13-0 W1 UV Plane Video Row Byte Offset (the bytes in
a row)
SR9D-9C – Window 2 Y Video Row Byte Offset............RW
15-14 Reserved ......................................... always reads 0
13-0 W2 Y Plane Video Row Byte Offset (the bytes in a
row)
SR9E – Line Buffer Request Threshold ..........................RW
7 Reserved ......................................... always reads 0
6-0 Line Buffer Request Threshold Level .......... def = 0