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

Problem solved, but I'm still puzzled.
 

The spec sheet had a 4.7K pull up resistor to the INT line. I started to think maybe that was too low, I upped it to two 15K resistors(for 30K total) and everything started working.

 

Was there some way I could have detected this as the problem? Hate to solve stuff like this by guessing, next time I might not be so lucky.

 

Thanks again for all of your help,

Dan

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