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

Hello Greg,

Can you tell us a bit more about your circuit?  What are you using as the clock source?  Are you using a resonator, crystal, or 4-pin oscillator?  When using the USB key do you have the external clock sources removed?  If not that will cause problems.

To troubleshoot why not load a simple program in the chip that just toggles an I/O line every couple seconds that you can watch.  Use that the make sure the hardware is working then move on to your program.

Robert

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