VT8601 Via, VT8601 Datasheet - Page 87

• Manufacturer Part Number: VT8601
• Description: Slot-1 / Socket-370 PCI North Bridge
• Manufacturer: Via

SR96 – New Live Video Window Control 0 .................... RW
SR97 – New Live Video Window Control 1 .................... RW
Revision 1.3 September 8, 1999
5-4
2-0
7
6
5
4
3
2
1
0
7
6
3
7HFKQRORJLHV ,QF
W2 Horizontal Interpolation
W1 Vertical Interpolation U and V Components
This bit is effective only if window 1 vertical Y
interpolation is enabled (CR8E[12] = 1)
Reserved
656
W2 Color Space Converter (CSC) Bypass
Reserved
MC Even / Odd Inverter
MC Interlace Display
Reserved
Planar Mode X (Horizontal) Y/UV Ratio
Planar Mode Y (Vertical) Y/UV Ratio
Reserved
Window Mode .................................... default = 000b
For 1xx, only one h/w overlay window is supported
:H &
:H &R R QQHFW
000 YUV422
001 Planar
01x YUV
100 MPEG2 YUV422
101 MPEG2 Planar
11x YUV422
00 2x (Yp420) .............................................default
01 4x (Yp410)
1x 1x (Yp422)
0
1
0
1
0
1
0
1
0
1
0
1
0
1
QQHFW
Interpolation ...........................................default
Duplication
Enable.....................................................default
Disable
Disable ...................................................default
Enable
Disable ...................................................default
Enable
Disable ...................................................default
Enable
Disable ...................................................default
Enable
2x
4x
Format
........................................ always reads 0
........................................ always reads 0
........................................ always reads 0
.....................................................default
........................................ always reads 0
H-V (V-YUV) 2x(96+48)x64
Interpolation
FIFO H
H-V
H-V
H-V
H-V
2x(96+48)x64
2x(96+48)x64
(96+48) x 64
(96+48) x 64
Line Buffers
96 x 64
-81
SR98 – New Live Video Window Control 2 ................... RW
SR99 – New Live Video Window Control 3 ................... RW
SR9B-9A – Window 1 UV Video Row Byte Offset ........ RW
SR9D-9C – Window 2 Y Video Row Byte Offset ........... RW
SR9E – Line Buffer Request Threshold.......................... RW
15-14 Reserved
15-14 Reserved
13-0 W1 UV Plane Video Row Byte Offset (the bytes in
13-0 W2 Y Plane Video Row Byte Offset (the bytes in a
7-6
5-4
2-1
4-2
1-0
6-0
3
0
7
6
5
7
Two Live Window Chroma Key Select
W1 Anti-Flicker Removal
W1 Anti-Flicker Removal Field Selection
W2 Anti-Flicker Removal
W2 Anti-Flicker Removal Field Selection
Reserved
Capture Addres Swap Enable
Capture Address Swap
W2 HDE Delay Adjust............................. default = 0
Reserved
a row)
row)
Reserved
Line Buffer Request Threshold Level...........def = 0
00 Chroma key only.................................... default
01 Window 1 & chroma key
10 Window 2 & chroma key
11 (Window 1 | Window 2) & chroma key
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
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
1
0
1
0
1
0
1
Odd field is shifted up ........................... default
Even field is shifted up
Odd field is shifted up ........................... default
Even field is shifted up
Disable................................................... default
Enable
No swap ................................................. default
Swap
........................................ always reads 0
........................................ always reads 0
........................................ always reads 0
........................................ always reads 0
........................................ always reads 0
VT8601 Apollo ProMedia
VGA Extended Registers