w83627ef Winbond Electronics Corp America, w83627ef Datasheet - Page 117
w83627ef
Manufacturer Part Number
w83627ef
Description
Lpc Super I/o For Desktop & Server
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83627EF.pdf
(144 pages)
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CR F6h. (WDTO# counter register; Default 00h)
CR F7h. (WDTO# control & status register; Default 00h)
7.10 Logical Device 9 (GPIO2,GPIO3, GPIO4, GPIO5 & SUSLED) (VSB Power)
CR 30h. (Default 00h)
7~0
3~0
7~4
BIT
BIT
BIT
7
6
5
4
3
2
1
0
Reserved.
READ / WRITE
READ / WRITE
READ / WRITE
Write “1” Only
R / W
R / W
R / W
R / W
R / W
R / W
R / W
R / W
R / W
Watch Dog Timer Time-out value. Writing a non-zero value to this
register causes the counter to load the value to Watch Dog Counter
and start counting down. If the bit 7 and 6 of CR F7h are set, any
Mouse Interrupt or Keyboard Interrupt event will also cause the
reload of previously-loaded non-zero value to Watch Dog Counter
and start counting down. Reading this register returns current value
in Watch Dog Counter instead of Watch Dog Timer Time-out value.
00h: Time-out Disable
01h: Time-out occurs after 1 second/minute
02h: Time-out occurs after 2 second/minutes
03h: Time-out occurs after 3 second/minutes
……………………….......................................
FFh: Time-out occurs after 255 second/minutes
Mouse interrupt reset watch-dog timer enable
0: Watchdog timer is not affected by mouse interrupt.
1: Watchdog timer is reset by mouse interrupt.
Keyboard interrupt reset watch-dog timer enable
0: Watchdog timer is not affected by keyboard interrupt.
1: Watchdog timer is reset by keyboard interrupt.
Trigger WDTO# event. This bit is self-clearing.
WDTO# status bit
0: Watchdog timer is running.
1: Watchdog timer issues time-out event.
These bits select IRQ resource for WDTO#. (02h for SMI# event.)
0: GPIO5 is inactive.
0: GPIO4 is inactive.
0: GPIO3 is inactive.
0: GPIO2 is inactive.
W83627EHF/EF, W83627EHG/EG
- 111 -
DESCRIPTION
DESCRIPTION
DESCRIPTION
1: Activate GPIO5
1: Activate GPIO4.
1: Activate GPIO3.
1: Activate GPIO2.
Publication Release Date: Nov. 2006
Revision 1.3
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