Differences between the NMI and INTR - 8086

Point out the differences between the NMI and INTR?

The characteristics of NMI are as follows:

- They are also known as the non-maskable types.

- They are always give higher priorities over the INTR.

- The interrupt is edge triggered specifically Low to High transition.

- In order to function they must remain high for at least 2 cycles of CLK.

- These interrupts do not send out any form of acknowledgements.

The characteristics of INTR are:

- They are also known as the maskable types of interrupts.

- They have a lower priority as compared to NMI.

- These interrupts are level triggered and not edge triggered.

- These interrupts do not support latching and must remain high till the CPU acknowledges them to do so.
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