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What is an Interrupt?

 8051 have Six InterruptsInterrupt

ROM location

Pin

Flag Clearing

Reset

0000

9

Auto

External Hardware interrupt 0 (INT0)

0003

P3.2

Auto

Timer 0 interrupt (TF0)

000B

External Hardware interrupt 0 (INT1)

0013

Timer 1 interrupt (TF1)

001B

Auto

Serial COM interrupt (RI and TI)

0023

Programmer clears it

Auto
P3.3

Auto
Interrupts
Interrupts
Interrupts
Interrupts

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Interrupts

  • 1.
  • 2.
  • 3. What is an Interrupt?  8051 have Six InterruptsInterrupt ROM location Pin Flag Clearing Reset 0000 9 Auto External Hardware interrupt 0 (INT0) 0003 P3.2 Auto Timer 0 interrupt (TF0) 000B External Hardware interrupt 0 (INT1) 0013 Timer 1 interrupt (TF1) 001B Auto Serial COM interrupt (RI and TI) 0023 Programmer clears it Auto P3.3 Auto