On Fri, 10 Aug 2001, Edson Brusque wrote:

>     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?

Not for a keypad, but I have used the LCD data pins for talking to a
DS1620 temperature sensor with a 3-wire interface.  Works fine, the LCD
will ignore the data lines if not selected.

Dale
--
A train stops at a train station.  A bus stops at a bus station.
On my desk I have a workstation...

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