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About INTC End Of Interrupt Register

Question asked by meng qiu on Apr 27, 2019
Latest reply on Apr 29, 2019 by meng qiu

hello, Bellow is the PIT1_Timer0_ISR:

void PIT1_Timer0_Isr(void)


PIT_1.TIMER[0].TFLG.R =0x00000001;


INTC_0.EOIR[1].R = 0x00000000;


About the last line , is the INTC_0.EOIR[1].R = 0x00000000 necessary ? 

What happens when I don't add that? I don't see that in any other interrupt program.