PIC 16F84 nested inturrupts.. - Electronic Circuits Projects Diagrams Free

sonaiko · 21st November 2004, 06:31 PM

is this possible?
to have an inturrupt and the CPU is executing the ISR, then another higher priority inturrupt happen before ISR executing completes and CPU moves to execute the new inturrupt first then the old one???

williB · 21st November 2004, 07:16 PM

Quote:

Originally Posted by sonaiko

is this possible?
to have an inturrupt and the CPU is executing the ISR, then another higher priority inturrupt happen before ISR executing completes and CPU moves to execute the new inturrupt first then the old one???

not sure lemmy check

williB · 21st November 2004, 07:40 PM

yes the PIC18F6585 series has priority interrupts.

sonaiko · 22nd November 2004, 12:17 AM

Quote:

Originally Posted by williB

yes the PIC18F6585 series has priority interrupts.

thanx.

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21st November 2004, 06:31 PM	(permalink)
sonaiko	PIC 16F84 nested inturrupts.. is this possible? to have an inturrupt and the CPU is executing the ISR, then another higher priority inturrupt happen before ISR executing completes and CPU moves to execute the new inturrupt first then the old one??? __________________ subzero... wins..

21st November 2004, 07:40 PM	(permalink)
williB	yes the PIC18F6585 series has priority interrupts.