Watchdog Timer Initial Program - Asus AAEON BOXER-6642-CML User Manual

Fanless embedded box pc
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A.1

Watchdog Timer Initial Program

Index
Data
LDN
Timer
0x07(Note3)
Counter
Counting
0x07(Note5)
Unit
Watchdog
0x07(Note9)
Enable
Timeout
0x07(Note13)
Status
Output
0x07(Note16)
Mode
WDTRST
0x07(Note20)
output
Appendix A – Watchdog Timer Programming
Table 1: SuperIO relative register table
Default Value
0x2E(Note1)
0x2F(Note2)
Table 2: Watchdog relative register table
Register
0xF6(Note4)
0xF5(Note6)
0xF5(Note10)
0xF5(Note14)
0xF5(Note17)
0xFA(Note21)
Note
SIO MB PnP Mode Index Register
0x2E or 0x4E
SIO MB PnP Mode Data Register
0x2F or 0x4F
BitNum
Value
(Note24)
3(Note7)
0(Note8)
5(Note11)
1(Note12)
6(Note15)
1
4(Note18)
1(Note19)
0(Note22)
1(Note23)
Note
Time
of
watchdog
timer
(0~255)
This register is
byte access
Select
time
unit.
0: second
1: minute
0: Disable
1: Enable
1: Clear timeout
status
Select
WDTRST#
output mode
0: level
1: pulse
Enable/Disable
time
out
output
via
WDTRST#
0: Disable
1: Enable
73

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