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State the interrupts used in 89C51? Give their priorities and vector addresses.
1 Answer
written 5.7 years ago by | • modified 5.6 years ago |
Interrupt | VectorAddress | Priority |
---|---|---|
IE0 / ( External interrupt 0 , INT0 ) | 0003H | 1 |
TF0 / ( Timer 0 Interrupt ) | 000BH | 2 |
E1 / ( External interrupt 1 , INT1 ) | 0013H | 3 |
TF1 / ( Timer 1 Interrupt ) | 001BH | 4 |
TI or RI (serial port interrupt ) | 0023H | 5 |