PIC16F84A Tachometer LED routine

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  1. - 19th October 2008, 18:13 #1
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    Quote Originally Posted by Acetronics View Post
    Hi, Santa ( de bois )
    1) Just the usual gag with PORTA.4 ...
    Did you place an external pullup resistor or something to drive the pin to HIGH state ???
    Only applies when using PortA.4 as an output...

    Quote Originally Posted by ThaSanta View Post
    2) - I don't think the Simulator cares about HS or XT :-)
    Arg! Simulators!
  2. - 19th October 2008, 20:47 #2
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    I think you'll quickly understand you'll have to use interrupts and ... a 16Bits timer ... what the 16F84 doesn't have aboard ...
    so, you'll also have to watch for TMR0 overflows ...to increment a 8 bits counter for the timer Upper 8 bits counting.
    I'll go along and try to use the CCP on Pic16F628A :-)
    I'll be back with updates.


    Thanks for the fast replies!
    / Lerche
  3. - 19th October 2008, 23:53 #3
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    edit:all good . . .
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