VT8601 Via, VT8601 Datasheet - Page 33

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

Capture Registers (2200)
DVD Registers (2280-22FF)
Revision 1.3 September 8, 1999
22AB-22A8 Color Palette Entries
22AF-22AC -reserved-
22BB-22B8 SP BUF0 Cmd Start Address
22BF-22BC SP BUF1 Cmd Start Address
22D3-22D1 Digital TV Encoder CFC
22A5-22A4 MC Frame Buffer Y-Length
22A7-22A6 -reserved-
22B3-22B0 SP BUF0 Pixel Start Address
22B7-22B4 SP BUF1 Pixel Start Address
22C1-22C0 SP Y Display Offset
22CF-22C2 -reserved-
22FF-22D4 -reserved-
228B-2288
228F-228C
229B-2298
229F-229C
2203-2200
2285-2284
2287-2284
2293-2290
2297-2294
I/O Port
I/O Port
22A0
22A1
22A2
22A3
22D0
2280
2281
2282
2283
7HFKQRORJLHV ,QF
:H &
:H &R R QQHFW
QQHFW
MC Status
MC Command Queue
MC Y-Reference Address
MC U-Reference Address
MC V-Reference Address
MC Display U-Address Offset
MC Display V-Address Offset
Capture Registers
Capture Command
DVD Registers
MC ID
MC Control
MC Frame Buffer Config
-reserved-
MC Display Y-Address Offset
MC H Macroblock Count
-reserved-
MC V Macroblock Count
-reserved-
Digital TV Encoder Control
Default Acc
Default Acc
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
—
—
—
—
—
—
—
R
-27-
Extended Registers – Non-Indexed I/O Ports
Note: 3xB notation indicates that these registers are accessible
at either 3BB or 3DB depending on the setting of the color /
mono bit.
I/O Port
3D8
3D9
3xB
Extended Non-Indexed Regs
Alt Destination Segment Addr
Alt Source Segment Address
Alt Clock Select
VT8601 Apollo ProMedia
Register Summary Tables
Default Acc
00
—
—
RW
RW
RW