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I trying to get a 10mSec (100Hz) interrupt on a ECIO 40. I've tried all the combinations of TMR0/1/2, pre/post scaler, rollover, but cannot a combination that gives an exact 100Hz.

It's easy with the MCU Multiprogrammer EB006, TMR0 set to 300Hz, count 3 loops.

Any suggestions welcome.

Hello,

You can get spot on 200hz interrupt by using the following settings for timer 2.

1:16 prescaler
1:15 postscaler
250 Rollover value

Many thanks Benj.

I didn't realise that the rollover values could be altered from those in the drop-down list.

Cheers