VT8601 Via, VT8601 Datasheet - Page 90

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

SRD1-D0 – Window 2 UV Row Byte Offset ................... RW
SRD4-D2 – Window 2 U-Frame Start Address .............. RW
SRD7-D5 – Window 2 V-Frame Start Address .............. RW
SRD9-D8 – Digital TV Interface Control ........................ RW
(see also CRD0, VGA / Digital TV Sync Control)
Revision 1.3 September 8, 1999
15-14 Reserved
23-20 Reserved
23-20 Reserved
15-14 Reserved
13-0 W2 UV Plane Video Row Byte Offset (the bytes in
19-0 W2 U-Frame Start Address
19-0 W2 V-Frame Start Address
4, 1
6-5
3-0
13
12
11
10
9
8
7
7HFKQRORJLHV ,QF
a row)
DIVS I/O Control
DTVI Signal Output Control, except DIVS
(Vsync)
Dual View Clock Inversion Control
Dual View Clock Control for DTVI
DICLK Inversion Control
DIVS Inversion Control
DIHS Inversion Control
YUV Order Inversion Control
Data Out Control
HS / VS / CLK Control
:H &
:H &R R QQHFW
0000 VGAHS, VGAVS, and PCLK
x100 VGAHS, VGAVS, and SPKTV
1000 VGAHS, VGAVS, and PCLK x 2
xxx1 DVHS, DVVS, and LCDCLK
xx10 TVHS, TVVS, and TVCLK
00 VGA / Video Overlay Data
x1 TV Data
10 Data Direct from Video Engine
QQHFW
........................................ always reads 0
........................................ always reads 0
........................................ always reads 0
........................................ always reads 0
-84
SRDB-DA – Window 2 V-Count Status ........................... RO
SRDD-DC – Dual View Control ...................................... RW
SRDF-DE – Window 1 V-Count Status ........................... RO
15-11 Reserved
15-13 Reserved
15-0 W2 V Count Status
10-9 Dual View Control - SHIF
11-0 W1 V Count Status
12
8
7
6
5
4
3
2
1
0
Dual View Control – G Window Enable
Dual View Control – W2 Double Buffer Enable
Dual View Control – W1 Double Buffer Enable
Dual View Control – W2 Address Trans Enable
Dual View Control – W1 Address Trans Enable
Dual View Control – Digital TV Enable
Dual View Control – Digital Video LUT Write
Dual View Control – Digital Video LUT Read
Dual View Control – Digital Video CRT
DVV Sync
........................................ always reads 0
........................................ always reads 0
VT8601 Apollo ProMedia
VGA Extended Registers