VT82C686B

Manufacturer Part NumberVT82C686B
ManufacturerETC-unknow
VT82C686B datasheet
 


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I/O Space Power Management- Registers
Offset Basic Control / Status Registers
1-0 Power Management Status
3-2 Power Management Enable
5-4 Power Management Control
6-7 -reserved-
B-8 Power Management Timer
C-F -reserved-
Offset Processor Registers
13-10 Processor and PCI Bus Control
14
Processor LVL2
15
Processor LVL3
16-1F -reserved-
Offset General Purpose Registers
21-20 General Purpose Status
23-22 General Purpose SCI Enable
25-24 General Purpose SMI Enable
26-27 -reserved-
Offset Generic Registers
29-28 Global Status
2B-2A Global Enable
2D-2C Global Control
2E
-reserved-
2F
SMI Command
33-30 Primary Activity Detect Status
37-34 Primary Activity Detect Enable
3B-38 GP Timer Reload Enable
3C-3F -reserved-
Offset General Purpose I/O Registers
40
Extended I/O Trap Status
41
-reserved-
42
Extended I/O Trap Enable
43
-reserved-
44
External SMI / GPI Input Value
45
SMI / IRQ / Resume Status
46-47 -reserved-
4B-48 GPI Port Input Value
4F-4C GPO Port Output Value
50-FF -reserved-
Revision 1.71 June 9, 2000
I/O Space System Management Bus Registers
Default
Acc
Offset System Management Bus
0000
WC
0
SMBus Host Status
0000
RW
1
SMBus Slave Status
0000
RW
2
SMBus Host Control
00
3
SMBus Host Command
0000 0000 RW
4
SMBus Host Address
00
5
SMBus Host Data 0
6
SMBus Host Data 1
7
SMBus Block Data
Default
Acc
0000 0000 RW
8
SMBus Slave Control
00
RO
9
SMBus Shadow Command
00
RO
A-B SMBus Slave Event
00
C-D SMBus Slave Data
E-F -reserved-
Default
Acc
0000
WC
0000
RW
0000
RW
00
Default
Acc
0000
WC
0000
RW
0010
RW
00
00
RW
0000 0000 WC
0000 0000 RW
0000 0000 RW
00
Default
Acc
00
WC
00
00
RW
00
input
RO
00
RO
00
input
RO
03FF FFFF
RW
00
-34-
VT82C686B
Default
Acc
00
WC
00
RW
00
RW
00
RW
00
RW
00
RW
00
RW
00
RW
00
RW
00
RO
0000
RW
0000
RO
00
Register Overview