9,$7HFKQRORJLHV,QF
VT82C586B
PCI Function 3 Registers - Power Management
Configuration Space Power Management Header Registers
Offset PCI Configuration Space Header Default Acc
1-0 Vendor ID
1106 RO
3-2 Device ID
3040 RO
5-4 Command
0000 RO
7-6 Status
0280 WC
8 Revision ID
nn RO
9 Programming Interface
A Sub Class Code
B Base Class Code
C Cache Line Size
00† RO
00† RO
00† RO
00 RO
D Latency Timer
00 RO
E Header Type
00 RO
F BIST
00 RO
10-3F -reserved-
00 —
† The default values for these registers may be changed by
writing to offsets 61-63h (see below).
Configuration Space Power Management-Specific Registers
Offset Power Management
Default Acc
40 Pin Configuration
00 RW
41 General Configuration
00 RW
42 SCI Interrupt Configuration
00 RW
43 -reserved-
00 —
45-44 Primary Interrupt Channel
0000 RW
47-46 Secondary Interrupt Channel
0000 RW
4B-48 I/O Base Address (256 Bytes)
0000 0001 RW
4F-4C -reserved-
00 —
53-50 GP Timer Control
0000 0000 RW
54-60 -reserved-
00 —
61 Write value for Offset 9 (Prog Intfc)
00 WO
62 Write value for Offset A (Sub Class)
00 WO
63 Write value for Offset B (Base Class) 00 WO
64-FF -reserved-
00 —
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
7-6 -reserved-
B-8 Power Management Timer
F-C -reserved-
Offset Processor Registers
13-10 Processor Control
14 Processor LVL2
15 Processor LVL3
1F-16 -reserved-
Offset General Purpose Registers
21-20 General Purpose Status
23-22 General Purpose SCI Enable
25-24 General Purpose SMI Enable
27-26 General Purpose Power Supply Ctrl
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
3F-3C -reserved-
Offset General Purpose I/O Registers
41-40 GPIO Direction Control
43-42 GPIO Port Output Value
45-44 GPIO Port Input Value
47-46 GPO Port Output Value
49-48 GPI Port Input Value
FF-4A -reserved-
Default Acc
0000 WC
0000 RW
0000 RW
00 —
0000 0000 RW
00 —
Default Acc
0000 0000 RW
00 RO
00 RO
00 —
Default Acc
0000 WC
0000 RW
0000 RW
0200 RW
Default Acc
0000 WC
0000 RW
00 RW
00 —
00 RW
0000 0000 WC
0000 0000 RW
0000 0000 RW
00 —
Default Acc
0000 RW
0000 RW
input RO
0000 RW
input RO
00 —
Revision 1.0 May 13, 1997
-19-
Register Overview