Is there a way to have the board essentially shutdown but not start up again
until the supply voltage reaches a critical threshold, or some signal line or
bit gets toggled?
I am looking at a system that toggles a DIO line to tell software to issue a
"shutdown -h now" and then toggle DIO2 Pin 4 (Ext. Reset) or Pin 6 (Shutdown).
If using Pin 4, the board could just keep resetting and then shutting down
again, which would be a waste of power. If using Pin 6, I'm not sure what has
to happen for the board to start up again.
Don
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