Hi Sayzer,

For 14-bit chips,
It takes 1 instruction cycle to disable the interrupt and depending on what bank it's in at the time, it may take 1 or 2 instructions to change to the correct bank before disabling.

So @ 4mhz, it could take from 1 to 3 uS.

On 18F's, it's always just 1 instruction.
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