Product specifications

VT8601A Apollo PLE133
Revision 1.82 October 22, 2001 -100- VGA Extended Registers
Technologies, Inc.
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CR9B – Video Display Status.........................................RWC
7 Capture Interrupt
0 Disable ................................................... default
1 Enable
6 Capture Interrupt Clear ................. Write 1 to Clear
5 VGA Vertical Blank..............................................RO
4 Capture Interrupt Status .....................................RO
3 Display Double Buffer Status ..............................RO
2 VDQ (Capture FIFO) Empty ..............................RO
1 Capture VSYNC Status........................................RO
0 Capture Video Display Enable (VDE) Status ....RO
CR9C – Capture Control 1 ...............................................RW
7-6 Frame Capture Control
00 Interlace Capture.....................................default
01 Even/odd 60fps capture
10 Even field 30fps capture
11 Odd field 30fps capture
5 External HDE Select
0 Use Internal HDE ...................................default
1 Use External HDE
4 Capture Enable
0 Disable ....................................................default
1 Enable
3 Genlock Enable
0 Disable ....................................................default
1 Enable
2 Motion Effect Algorithm
0 Skip 2 lines..............................................default
1 Skip 1 line
1 Capture Hsync Polarity
0 Normal ....................................................default
1 Invert
0 Capture Vsync Polarity
0 Normal ....................................................default
1 Invert