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

I did some more stand-alone testing on my SX52 proto board. By mistake a did not plug the oscillator in, I plugged in my 6v 4.0Ah battery and, my LED on/off program seem to work. The funny part is, how could this occur since I did not have a crystal/oscillator source. Then I put in an oscillator and ran the program, no LED (for my program) goes on. Now I wonder if I trashed my proto board. At this rate maybe I should order another dozen or so of the boards. LOL 
 

Anybody have an explanation why my LED turned on with no crystal/oscillator source. If, indeed this power thing is related to the problem, does anybody have a power requirement number for running a 75MHz oscillator on the proto board.

 

Thanks

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