VT8601 Via, VT8601 Datasheet - Page 110

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

CRB1-B0 – Capture Horizontal Minify Factor .............. RW
CRB3-B2 – Capture Vertical Minify Factor ................... RW
CRB5-B4 – DST Pixel Width Count ................................ RW
CRB7-B6 – DST Pixel Height Count ............................... RW
CRB8 – Capture FIFO Control 1 .................................... RW
CRB9 – Capture FIFO Control 2 .................................... RW
Revision 1.3 September 8, 1999
14-10 Planar Capture FIFO Level (for both U and V)
14-10 Planar Capture FIFO Threshold (for both U & V)
15-12 Reserved
15-11 Reserved
11-0 DST Pixel Width Count
10-0 DST Pixel Height Count
9-0
9-0
7-6
4-0
4-0
15
15
5
7
6
5
7HFKQRORJLHV ,QF
Reserved
Capture Horizontal Minify Factor
Reserved
Capture Vertical Minify Factor
Capture FIFO Page Break
Interlace Double Buffering
Capture FIFO Level Control
ENNENZOOM
Planar 422 Display
Planar Mode Window Indicator
Indicate which window is in planar mode
Capture FIFO Request Threshold Control
:H &
:H &R R QQHFW
00 8 level.....................................................default
01 16 level
1x 32 level
0
1
0
1
0
1
0
1
QQHFW
Disable ...................................................default
Enable
Targa Mode ............................................default
XPCV Mode
Disable ...................................................default
Enable
Targa Mode ............................................default
XPCV Mode
........................................ always reads 0
........................................ always reads 0
........................................ always reads 0
........................................ always reads 0
-104
CRBB-BA – Chromakey Comp Data 0 Low .................. RW
CRBD-BC – Chromakey Comp Data 0 High ................. RW
CRBE – Capture Control ................................................ RW
CRBF – Display Engine Flags 4 ...................................... RW
15-0 Chromakey Compare Data 0 (Lower Threshold
15-0 Chromakey Compare Data 0 (Higher Threshold
7-6
6-4
2-0
5
4
3
2
1
0
7
3
Reserved
Video WBUF Status ............................................ RO
Second Aperture Direct Access (bypass video
capture)
Interpolation Control
Video Engine Clock Enable
Flicker-Free Function
Reserved
Video Line Buffer Read Reset Select ...... default = 0
Window 2 Video Data Format
Interpolation Bypass 1 ............................default = 0
Window 1 Video Data Format
000 YUV 422 ............................................... default
001 -reserved-
010 RGB 16
011 -reserved-
000 YUV 422 ............................................... default
001 -reserved-
010 RGB 16
011 -reserved-
1xx -reserved-
1xx -reserved-
0
1
0
1
0
1
Empty .................................................... default
Not empty
Off
On
Disable................................................... default
Flicker-free when input is in interlace mode
........................................always reads 0
.................................................... default
........................................always reads 0
VT8601 Apollo ProMedia
VGA Extended Registers