w6692 Winbond Electronics Corp America, w6692 Datasheet - Page 92
w6692
Manufacturer Part Number
w6692
Description
Pci Bus Isdn S/t-controller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W6692.pdf
(104 pages)
- Current page: 92 of 104
- Download datasheet (557Kb)
Bits 18-16
Bits 15-8
Bits 7-0
8.4.11 Power Management Control/Status
PCI Configuration Address: 44
Default: 0000
Bits 31-24
Bits 23-16
Bits 15-0 are the Power Management Control/Status register. A sticky bit has an indeterminate value at time of initial operating
system boot. (It is not set/preset by PCI reset signal.)
Bit 15
to this bit will clear it and cause W6692 to stop asserting a PME# (if enabled). Writing a "0" has no effect.
Bits 14-13
Bits 12-9
Bit 8
31
15
1 = PCI clock is needed for PME# assertion. Default is 0.
Default is 010b to indicate PCI Power Management Revision 1.1 compliant.
Hardwired to 00
Hardwired to 01
Reports the power operational data of whole PCI card. Not implemented. Read as 0.
Not implemented. Read as 0.
This bit is set when W6692 would normally assert the PME# signal independent of the state of the PME_En bit
Used when interpreting the value of Data register. Not implemented. Read as 0.
Used to select which data is to be reported through the Data register and Data_Scale field. Not implemented. Read as 0.
PME event
occurred
No PME event
30
14
PME_En
PME_Status
Capability Identifier
Next Item Pointer
H
Data_Select
Version
Operational Data Report
PMCSR PCI to PCI Bridge Support Extensions
Data_Scale
for bits 31-16; X000,000X,0000,0000b for bits 15-0.
29
13
H
H
, to indicate no further Capability list item.
, to indicate a PCI Power Management Identifier.
Operational Data
Read/Write, Sticky
28
12
Read/Write-clear, Sticky
Read
H
Read
27
11
PME_En=0
PME_Status=1
PME# inactive
PME_Status=0
PME# inactive
Power Management Control/Status Register (PMCSR)
26
10
Read
25
9
24
8
-92 -
PME-En=1
PME_Status=1
PME# active until PME-
Status is cleared
PME_Status=0
PME# inactive
23
7
Read
Read/Write
22
6
21
5
W6692 PCI ISDN S/T-Controller
Publication Release Date:
PMCSR_BSE
20
4
19
Preliminary Data Sheet
3
18
2
Address 44
17
1
.
Sep 30, 1999
Revision 0.9
Writig a "1"
16
0
H
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