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Unused Interrupts on an 8051

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Read-Only Author david campbell Posted 14-Nov-2002 14:45 GMT Toolset C51	Unused Interrupts on an 8051 david campbell I have used all of the port pins on my 8051 device but have a spare interrupt pin. Is it possible to use this spare interrupt as an extra port pin for reading/writing?

Read-Only Author Jon Ward Posted 14-Nov-2002 14:50 GMT Toolset C51	RE: Unused Interrupts on an 8051 Jon Ward Is it possible to use this spare interrupt as an extra port pin for reading/writing? You should be able to. Check the datasheet for the alternate uses for the pin. If it's simply a port pin whose alternate use is an interrupt input then you can use it as an I/O pin. Jon

Read-Only Author erik malund Posted 14-Nov-2002 14:55 GMT Toolset C51	RE: Unused Interrupts on an 8051 erik malund you can wiggle an interrupt pin to your hearts delight if that interrupt is not enabled in the IE sfr. Erik