At 02:57 PM 8/10/01 -0300, you wrote:
>Hello,
>
>    as my application need more pins on a PIC16F876 I'm thinking about using
>the same four pins that send data signals to the LCD for sending the signals
>to a 4x4 keypad.
>
>    Someone have used it? Any drawbacks? Any suggestions? The LCD data lines
>wouldn't interfere with the keypad?

Put some resistors in series with the keys so that the PIC can "overpower"
them,
otherwise you can get corrupted data written to the LCD if more than one
key is pressed at once.

Best regards,
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Spehro Pefhany --"it's the network..."            "The Journey is the reward"
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