AVR-Chat

That should have read DB9 cables.

Jim

On Jan 15, 2008, at 9:30 AM, James Wagner wrote:

> To Clarify -
>
> Bidirectional RS232 requires at least 3 connections - Rx, Tx, and
> Common or Ground. If your cable has no ground wire, it could have
> worked through the JTAG ground. Removing JTAG would then cause the
> RS232 to fail. Check your cable with an ohm meter or continuity
> checker to verify that (pin 5, I think, on DB29 cables).
>
> Jim
>
> On Jan 15, 2008, at 9:14 AM, David VanHorn wrote:
>
> > > > Is there a ground connection between the PC and the system when
> > the
> > > > debugger isn't plugged in?
> > > >
> > > Yes it should be grounded.
> >
> > I agree that it SHOULD be, but the question was wether it IS.
> >
> > In theory, there is no difference between theory and practice. :)
> >
> >
>
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>
>
> 



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