AVR-Chat

--- In AVR-Chat@yahoogroups.com, "David VanHorn" <microbrix@...> wrote:
>
> On Jan 14, 2008 8:49 PM, Levar Man <micro_chipman@...> wrote:
> > I am sending out data thru the UART of a ATmega 165p  to 
hyperterminal. The data looks fine when I debug using the JTAG debugger 
but when I program the chip for stand alone operation. I can't get any 
output. I made sure that the clock is what it should be and the 
baudrate aswell. Can someone help me figure out what could cause this 
problem.
> 
> Is there a ground connection between the PC and the system when the
> debugger isn't plugged in?
>
Yes it should be grounded.