I'm trying to measure the Period of an external Interrupt. It occurs as often as 1 msec. I read T0_CR0 and reset T0_TCR on each occurance. T0_PR is set to 0.
I need to know the rate of PCLK on my PRO board to calibrate the measurement.
PCLK
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Re: PCLK
On the PRO, PROplus and SuperPRO PCLK is running at 1/4 of the CPU clock (so 12 MHz on PRO and 24 MHz on PROplus and SuperPRO)