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State the interrupts used in 89C51? Give their priorities and vector addresses.

written 6.9 years ago by teamques10 ★ 70k

•   modified 5.6 years ago

embedded systems

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written 6.9 years ago by teamques10 ★ 70k

•   modified 6.9 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

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