Tauno Siitam <PICLIST@mitvma.mit.edu> wrote:

> I initialized TMR2 with prescaler 4, postscaler 1:1 and period 250.
> ....
> clock lags behind about a second in 4 minutes. IMHO, the error is
> too big to fix it only in software. So there must be something else
> wrong.

    Your humble opinion is almost certainly wrong.

    "About a second in 4 minutes" is the same as 1 in 250.  250 is
    your period, so your software is probably off by one somewhere.

    -Andy

=== Andrew Warren -- aiw@cypress.com
=== Principal Design Engineer
=== Cypress Semiconductor Corporation
===
=== Opinions expressed above do not
=== necessarily represent those of
=== Cypress Semiconductor Corporation

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