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Hello world,,,

I face some problems in use of IOPIN0 in case of LPC2138 microcontroller...

How we can use it for two interfacing on single port..

can anyone tell me please....

  • You face some problems describing exactly what problem you are facing.

    Exactly what problem do you have? Exactly what code doesn't do what you expect it to do? What happens, and what did you expect to happen?

    There are lots of sample code available that shows how to toggle a single pin on a port without changing the state of the other 31 bits. Have you looked? The user manual for the processor also discusses this situation. Have you looked?