Aaeon COM-690T, Руководство пользователя

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C O M E x p r e s s M o d u l e C O M - 6 9 0 T / C O M - 6 9 0 E
Appendix A Programming the Watchdog Timer A-3
A.3 Registers Description
Configuration and Control Register – Index 01h
Power-on default [7:0] =0000_1000b
Bit Name Description
7 INIT
Software reset for all registers including
Test Mode registers. Users use only.
6 Reserved
5 EN_WDT10
Enable Reset Out. If set to 1, enable
WDTOUT10# output. Default is
disable.
4 Reserved
3 Reserved
2 Reserved
1 SMART_POWR
_MANAGEMENT
Set this bit to 1 will enable auto power
down mode, when all function are idle
then 20ms the chip will auto power
down, it will wakeup when GPIO state
change or read write register
0 SOFT_POWR_
DOWN
Set this bit to 1 will power down all of the
analog block and stop internalclock,
write 0 to clear this bit or when GPIO
state change will auto clear
this bit to 0.
WDTOUT Control Register – Index 34h
Power-on default [7:0] =0000_0000b
Bit Name Description
7-3 Reserved
2 SEL_RST_2S
When set this bit to 1, the WDTOUT10
low pulse width is 2 Sec, if set to 0 the
low pulse width is 100ms.