In SX Microcontrollers, SX/B Compiler and SX-Key Tool, tdg8934 wrote:

OK 

However 4 MHz is good for serial communications, when do you use 20, 50 or 75 MHz external resonators?

Also what about internal values (non serial comm projects - 32 KHz, 128 KHz, 1 MHz or 4 MHz)? Why are there so many values to choose from if timing statements (e.g. PAUSE, PAUSEUS, etc..) are auto adjusted. Speed in the program statements??

Thanks,

Timothy Gilmore

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