Table A.1: Watchdog Timer Registers - Advantech PCI-7030 User Manual

Table A.1: Watchdog Timer Registers

Address of Register (2E)
Read/Write
87(hex)/01(hex)/55(hex)/
9 (hex)/01(hex)/55(hex)/
55(
55(hex)
07 (hex)
72 (hex)
73 (hex)
74 (hex)
AA (hex)
PCI-7030 User Manual
Attribute
Value (2F) & description
----- Write this value to I/O address port 2E (hex)
to unlock the IT8718F.
write Write 07 (hex) to select LDN(Logic Device Num-
ber)
of GPIO Configuration Register
write Set seconds or minutes as units for the timer.
Write 0 to bit 7: set minute as counting unit.
[default]
Write 1 to bit 7: set second as counting unit.
Read/write Watch Dog Timer-out Value(LSB)
Read/write Watch Dog Timer-out Value(MSB)
74&73 value 01~FFFF (hex): The amount of the
count, in seconds
or minutes, depends on the value set in register
72
(hex). This number decides how long the watch-
dog timer waits for strobe before generating an
interrupt or reset signal. Writing a new value to
this
register can reset the timer to count with the
new
----- value.
IT8718F.
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