On Interrupt question


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  1. #8
    Join Date
    Feb 2005
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    The interrupt is triggered as soon the pic starts, without even pressing a single time any button.


    I set the OPTION_REG as follows

    bit7 = 1 PORTB pull-ups are disabled
    bit6 = 1 Interrupt on rising edge of RB0/INT pin
    bit5 = 0 Internal instruction cycle clock (CLKOUT)
    bit4 = 1 Increment on high-to-low transition on RA4/T0CKI pin
    bit3 = 0 Prescaler is assigned to the Timer0 module
    bit2 = 0 Prescaler Rate Select bits
    bit1 = 0
    bit0 = 1 TMR0 Rate 1:4 WDT Rate 1:2

    I can rewire the schematic at will, so if you have a solution this way, please let me know.


    Thanks!
    Last edited by peu; - 27th January 2006 at 17:45.

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