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Intel EMB-H61A - Watchdog Timer Initial Program

Intel EMB-H61A
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Industrial Motherboard
EMB-H61A
Appendix A Programming the Watchdog Timer A-2
A.1 Watchdog Timer Initial Program
Table 1 : SuperIO relative register table
Default Value
Note
Index
0x2E(Note1)
SIO MB PnP Mode Index Register
0x2E or 0x4E
Data
0x2F(Note2)
SIO MB PnP Mode Data Register
0x2F or 0x4F
Table 2 : Watchdog relative register table
LDN
Register
BitNum
Value
Note
Timer
Counter
0x07(Note3)
0xF6(Note4)
(Note24)
Time of watchdog
timer
(0~255)
This register is byte
access
Counting
Unit
0x07(Note5)
0xF5(Note6)
3(Note7)
0(Note8)
Select time unit.
0: second
1: minute
Watchdog
Enable
0x07(Note9)
0xF5(Note10)
5(Note11)
1(Note12)
0: Disable
1: Enable
Timeout
Status
0x07(Note13)
0xF5(Note14)
6(Note15)
1
1: Clear timeout
status
Output
Mode
0x07(Note16)
0xF5(Note17)
4(Note18)
1(Note19)
Select WDTRST#
output mode
0: level
1: pulse
WDTRST
output
0x07(Note20)
0xFA(Note21)
0(Note22)
1(Note23)
Enable/Disable
time out output via
WDTRST#
0: Disable
1: Enable

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