Question

Why normally LJMP instructions are the topmost lines of the ISR?

a.

so as to jump to some other location where there is a wider space of memory available to write the codes

b.

so as to avoid overwriting of other interrupt instructions

c.

both of the mentioned

d.

none of the mentioned

Posted under 8051 Microcontroller Computer Architecture

Answer: (c).both of the mentioned

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Q. Why normally LJMP instructions are the topmost lines of the ISR?

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