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