Re: I'm sure there's no 'hard and fast' rule, but I gotta ask...
circuitpro, Alot has to do with the design of the particular drive circuit. I always design my interfaces to have the state of the particular driver to maintain an OFF state when the processor is in a RESET state as the output pins of the processor present a tristate level. As far as I'm concerned, any good engineer should think about this as it is the first state the processor comes up in when power is applied or when the processor is placed into a RESET state whether remotely or thru a local reset condition.....
Dave Purola,
N8NTA
EN82fn
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