Interrupt RPM and Taylors Elapsed time on 18F4620

[Bruce]

You ain't getting off that easy bud .. you still have to prove me wrong, and show a solution to the problem....)

[Darrel Taylor]

Agreed, and accepted.

But just so I'm clear, what I'm proving wrong is that it's a revision or errata sheet problem with the 18F4620 itself.
And that using an 18F4431 will solve it?

In other words, I gotta do it in hardware too?
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[Bruce]

You just have to prove that my recommendations throughout this thread (for this specific controller) were wrong, and show your solution to the problem - using the same controller.

My point thus far has been that this particular controller is doo-doo. Your entry point on this thread stated;

I think you need to clear the timer sooner.

[Darrel Taylor]

You just have to prove that my recommendations throughout this thread (for this specific controller) were wrong, and show your solution to the problem - using the same controller.

I had missed post#22 while working with proteus, but it didn't matter ... it works too.

So, at the risk of loosing beer ... and buying chips ...
Other than the problems that were fixed earlier ... CCP1CON missing ... period instead if CCPR1L:H ...

This is the problem ....

The 4620's oscillator is running at 20.13 mhz

If it's a crystal, the caps are wrong or the crystal is off (or a radio crystal).
If it's a cheap resonator, then it's only to be expected.

That's my story ... and I'm sticking to it.
No way to prove it unless Toby checks it.

If I run the simulator at 20.13mhz, I get the exact same numbers across the board.
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