Re: [avr-gcc-list] "Why me?" UART problem.

[Pat Deegan]

Greets,

On Mon, 2004-06-21 at 00:49, Laszlo wrote:
> I've connected the 2313 TX pin (pin 3) to my RS232 DB-9 RX (pin 2) 
> (along with a ground connection and likewise the RX to TX).

Ah, are you saying you are connecting your AVR to the RS232 port?  The
AVR will output logic level data on the UART pins.  This, I believe,
*must* be converter to RS-232 signals (with binary 0, space, a +5-15 V
and binary 1, mark, at -5 to -15V).

Use a chip like the Max232.

Refs:

http://chaokhun.kmitl.ac.th/~kswichit/MAX232/MAX232.htm

http://www.omega.com/techref/pdf/RS-232.pdf

http://www.maxim-ic.com/quick_view2.cfm/qv_pk/1798

HTH

Regards,
-- 
Pat Deegan
http://www.psychogenic.com/
PGP Key: http://www.keyserver.net 0x03F86A50