I found the following to be very helpful in writing a PIC interface for PC
keyboards:

http://www.beyondlogic.org/keyboard/keybrd.htm

John Hansen



At 08:51 PM 10/21/2002 +0700, hart@idola.net.id wrote:
>Hi all,
>
>I will use a PC keyboard independently, to generate binary  data  that
>associate with ASCII code ,when  any key is pressed , mainly I need  data
>from alphanumeric keys.
>As PC key board's output has 5 pins i.e. Data , Clock, 5V,Gnd, and shield
>wire.

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