[TI-H] Re: PIC16F84 Interfacing
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[TI-H] Re: PIC16F84 Interfacing
Carlos Becker wrote:
> Hi guys. I've been trying to send a byte from a PIC16F84 to my ti-92+. It's
> been difficult to find info on this on the net, but anyway I got to a point
> where VTI receives the byte with no problem, but the real TI-92+ receives
> each time a different byte, and there seems to be a kind of interference.
>
> I'm using only 2 pins from the PIC to communicate to the ti-92+'s link
> port, so I change the TRISA port whenever I have to. I think this might be
> leading to problems.. but certainly i dont know.
>
> Please if anyone has the code for sending data and reciving too send it to
> me. Also, if someone wants the code i wrote ask for it.
>
> P.S.: the program in the TI-92+ is written in TIGCC
>
> Thank you guys,
>
> Carlos Becker.
Please show me your code and if possible also your hardware. The PIC behaves
strange on PortA when changing the input to output and vice versa.
Also please let me know when u have found a code which works well to send a
receive a byte.
Thanks.
Pierre
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