vt82c586a ETC-unknow, vt82c586a Datasheet - Page 32

• Manufacturer Part Number: vt82c586a
• Description: Integrated Peripheral Controller
• Manufacturer: ETC-unknow

Power Management
Refer to VIA application note AP-053 (“APM-Compliant
Power Management Model of the VT82C586A”) for
additional information on power mangement programming.
Offset 80 - Primary Activity Detect Enable .................... RW
Offset 82 - Primary Activity Detect Status ................... RWC
These bits correspond to the activity detect enable bits above.
Preliminary Revision 0.1 October 13, 1996
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Keyboard Controller Access Detect Enable
Serial Port Access Detect Enable
Parallel Port Access Detect Enable
Video Access Detect Enable
DRV (HDD/Floppy) Access Detect Enable
Turbo Pin Toggle Detect Enable
Primary INTR Activity Detect Enable
DMA/Master Activity Detect Enable
Keyboard Controller Access Status.......... default=0
Serial Port Access Status .......................... default=0
Parallel Port Access Status ....................... default=0
Video IO/Memory Access Status ............. default=0
DRV (HDD/Floppy) Access Status .......... default=0
Turbo Pin Toggle Status ........................... default=0
Primary INTR Activity Status ................. default=0
DMA/Master Activity Status ................... default=0

0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Disable ...................................................default
Enable activity detect status bit to be set by
access to I/O port 60h
Disable ...................................................default
Enable activity detect status bit to be set by
access to COM1, 2, 3, or 4
Disable ...................................................default
Enable activity detect status bit to be set by
access to I/O ports 278-27F or 378-37F
Disable ...................................................default
Enable activity detect status bit to be set by
access to I/O ports 3B0-3DF or A-B memory
segments
Disable ...................................................default
Enable activity detect status bit to be set by
access to I/O ports 1F0-1F7, 170-177, or 3F5.
Disable ...................................................default
Enable activity detect status bit to be set by
toggle of Turbo input pin
Disable ...................................................default
Enable activity detect status bit to be set by
primary INTR activity
Disable ...................................................default
Enable activity detect status bit to be set by
DMA / Master activity
-26-
Offset 85-84 - SMI Event Enable ..................................... RW
Offset 87-86 - SMI Status .............................................. RWC
14-12 Reserved
14-12 Reserved
15
11
10
15
11
10
9
8
7
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
Enable SMI on Internal USB Ctrlr Activity .def=0
Enable SMI on EXTSMI7 Pin Toggle .....default=0
Enable SMI on EXTSMI6 Pin Toggle .....default=0
Enable SMI on EXTSMI5 Pin Toggle .....default=0
Enable SMI on EXTSMI4 Pin Toggle .....default=0
Enable SMI on EXTSMI3 pin toggle ....... default=0
Enable SMI on EXTSMI2 pin toggle ....... default=0
Enable SMI on Sec Event Timer Timeout .....def=0
Enable SMI on GP1 Timer Timeout ........default=0
Enable SMI on GP0 Timer Timeout ........default=0
Enable SMI on Pri INTR Activity ........... default=0
Enable SMI on EXTSMI Pin Toggle ....... default=0
Trigger Software SMI..................(write 1 to trigger)
Internal USB Controller Generated SMI
EXTSMI7 Pin Toggle SMI ........................ default=0
EXTSMI6 Pin Toggle SMI ....................... default=0
EXTSMI5 Pin Toggle SMI ....................... default=0
EXTSMI4 Pin Toggle SMI ....................... default=0
EXTSMI3 Pin Toggle SMI ........................ default=0
EXTSMI2 Pin Toggle SMI ........................ default=0
Secondary Event Timer Time-out SMI ....default=0
GP1 Timer Time out SMI .......................... default=0
GP0 Timer Time out SMI .......................... default=0
Primary INTR Activity SMI......................default=0
External SMI Pin Toggle SMI...................default=0
Software SMI.............................................. default=0
........................................ always reads 0
........................................ always reads 0
Register Descriptions
VT82C586A