by Geo <9w0b-safk@[EMAIL PROTECTED]
>
Dec 30, 2007 at 04:20 PM
On Sat, 29 Dec 2007 12:12:51 -0700, "starfire" <starfire151@[EMAIL PROTECTED]
>
wrote:
>I'm trying to run a PIC12F675 with an external 32.768KHz crystal to
maximize
>battery life.
>
>I would like to interface to the part with a serial interface. I've
tried
>300 baud and 110 baud (no partiy, 8 data, 1 stop) but they didn't work.
300
>baud gave invalid character returns and 110 baud didn't show anything.
I'm
>interfacing with a HyperTerminal session. I have serial input going in
to
>pin A3 (I declared NOMCLR in the fuses) and output going out of pin A2.
>
>I can see the program running (as indicated by toggling of a heartbeat
>indicator) but the code does not recognize the serial input characters
>correctly.
>
>Has anyone tried this "extreme" condition or am I just "spitting into the
>wind"? :)
Don't bother with hyperteminal - google for "bray terminal" - this lets
you see
precisely what is going on and allows you to control handshaking pins.
I assume you are using a simple RS232 interface powered from the ****t?
Geo