Do you want to bit-bang it or use the USART port?
If the former, I have used this routine with great success on 87x and
f84's.
Use the rs232.asm.
http://www.sonic.net/~schlae/pic.html
By using the constants you can select almost any standard baud with
common crystals.
Uses no hardware timers or interrupts.
I've modified the program to make it easier to understand and to display
ascii result to led's.
Let me know if interested.
Rick

paul carns wrote:

> I thought that communication between chip was easier.
> Does anyone know a simple program for 16F876 to
> transmit and receive data in an asynchronous way?. I
> was trying during two weeks and I can't do it.
> I would appreciate your help. Thanks in advance.
>
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