In SX Microcontrollers, SX/B Compiler and SX-Key Tool, maxwin wrote:

Yes, I made an error. PWM (Comparator) method, not SHIFTIN. Mixing my serial comms chaos. Original post edited.

So if (for my program) the PWM method is fast enough, then no reason to mess with an external ADC.

I am inexperienced, so this comment may sound silly, but given the memory limitations of the SX, it strikes me that you are more likely to run out of programming space than programming time.

Mind you I am working with programs that need to drive an output once a second -- guess if you are running micro or milli second critical programs that could be another matter. - Have I hit the nail on the head with that? And whilst I work at >1 second resolution, PWM is just as good as external ADC....?

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