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

Thomas,

How is the Master SX going to communicate with all the Driver SXes?
If you are going to use some serial UART, I think you'd better put a 4Mhz resonator to all the driver SXes instead of using the internal oscillator.  The internal oscillator freq can run by as much as 10% even with trimming.

William

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