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

Thanks for the good info.

Now that we know that external resonators are generally used for Serial communications - otherwise don't use external resonators.

Next question that is still unanswered...What value should one use internally (32 KHz or 128 KHz or 1 MHz or 4 MHz, etc..)?

or if you are doing a serial comm project such as 2400 - 9600 baud...what value of external resonator should be used (4 MHz, 20 MHz or 50 MHz or 75 MHz)?

Thanks,

Timothy Gilmore

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