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I am facing similar problem for pic18f4550 for external interrupt my source code is as below:
#include <p18F4550.h> // header file
#define mybit PORTBbits.RB7 //output pin
void chk_isr(void);
void INT0_ISR(void);
#pragma interrupt chk_isr
void chk_isr (void)
{
if (INTCONbits.INT0IF==1)...
Hii
I am converting 12V into 3.9V Dc by using Divider network 10Kand 4.7KΩ .and this out of the divider is feeding into at8051mc port 1.0 but its and sensing the voltage.
but it wil sense the voltage when i use 470 Ω and 220Ω in the place of 10K and 4.7k.
What may be the reason Please get...
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