Hi Olgierd,
I'm not connecting the usb port and the dc source at the same time. I tried
each power source separately, and took note of that in the problem report.
Stanley
On 9/29/07, Olgierd Eysymontt <[EMAIL PROTECTED]> wrote:
>
> May be you are connecting the usb port and the dc source at the same time,
> in that case yo can have big currents between the computer and board. I've
> had similar problems with a usb oscilloscope because it's very difficult to
> isolate the usb bus so it's ussually referenced to ground.
>
> I hoe it helps,
>
> Olgierd Eysymontt
>
> 2007/9/29, Stanley Lee <[EMAIL PROTECTED]>:
> >
> > Once again, thanks to Jan and Raphael for their help for getting me
> > started with a template for the C codes on SDCC fusebit syntax. My newest
> > version of the LED blinking code is posted on
> > http://www.dutchforce.com/~eforum/index.php?showtopic=14788<http://www.dutchforce.com/%7Eeforum/index.php?showtopic=14788>
> > .
> >
> > However, I am having a problem of my PIC18F2620 not starting the control
> > execution properly when I use my DC adapter as the power source. Eventually,
> > I will be using the microcontroller on a portable battery, but for now, I'm
> > using a DC adapter for development and testing purposes. I am suspecting
> > that either I'm not setting the fusebits properly or I'm experiencing a
> > problem with my power supply, which might require me to set up brown out
> > reset and power up timer. How can I tell whether I have a fusebit
> > configuration problem or whether I have a problem with my power supply?
> >
> > Cheers,
> >
> > Stanley
> >
> >
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