Hi everyone,

How exactly do I use Timer 2 as the clock source for SPI? I am using a
17C756A, but guess it will be similar on other micros. Does the clock toggle
every time the timer 'ticks', or only when the timer rolls over and
generates an interupt? The data book does not describe it well.

I am trying to get an ~2.5MHz clock speed for my SPI link with a 20MHz xtal,
can it be done?

Thanks

Graham North

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