amg amg <PICLIST@mitvma.mit.edu> wrote:

> > If  you count pulses for 0.46875 seconds instead of 0.5
> > seconds, you can convert your count of pulses directly to
> > RPM by just left-shifting it 3 positions.
>
> Wouldn't that be left-shifting by 7 positions?
>
> 60/0.46875 =128 = 2^7

    No; he's measuring RPM with a sensor that gives 16 pulses per
    revolution.

    (60 / 0.46875) / 16 = 8 = 2^3

    -Andrew

=== 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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