Re: What is the purpose of GPIO pins.

[Robert Schwebel]

On Tue, Feb 15, 2005 at 05:53:00PM +0530, krishna wrote:
>    NO,  Sorry I wasn't clear.
>    I am asking about GPIO controllers used in HandHeld Devices.

Embedded CPUs usually have general purpose I/O pins for all kind of
stuff; you can just use them as inputs (for example for reading
keyboards), outputs (e.g. setting LEDs) or use them as interrupt
sources with various properties (level, edge, ...). 

Robert
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