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Advantech AIMB-785 User Manual

Advantech AIMB-785
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AIMB-785 User Manual 84
The AIMB-785’s watchdog timer can be used to monitor system software operation
and take corrective action if the software fails to function within the programmed
period. This section describes the operation of the watchdog timer and how to pro-
gram it.
A.1 Watchdog timer overview
The watchdog timer is built in to the super I/O controller NCT6776D. It provides the
following functions for user programming:
Can be enabled and disabled by user’s program
Timer can be set from 1 to 255 seconds
Generates an interrupt or resets signal if the software fails to reset the timer
before time-out
A.2 Programming the Watchdog Timer
The I/O port address of the watchdog timer is 2E (hex) and 2F (hex). 2E (hex) is the
address port. 2F (hex) is the data port. You must first write an address value into
address port 2E (hex), and then write/read data to/from the assigned register through
data port 2F (hex).

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Advantech AIMB-785 Specifications

General IconGeneral
BrandAdvantech
ModelAIMB-785
CategoryMotherboard
LanguageEnglish

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