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Re: [lpc2100] Re: trouble programming our prototype board w/ lpc210x ISP

2004-01-02 by capiman@t-online.de

And you have opened Rx and Tx on the ashlin board ?
And the ashling board can be accessed ?

----- Original Message ----- 
From: "bclapper29" <clapper@...>
To: <lpc2100@yahoogroups.com>
Sent: Friday, January 02, 2004 10:51 PM
Subject: [lpc2100] Re: trouble programming our prototype board w/ lpc210x
ISP


> --- In lpc2100@yahoogroups.com, "Leon Heller" <leon_heller@h...>
> wrote:
> <snip>
>
> > Is the oscillator frequency correct? Are you getting the value on
> the
> > crystal? You can check it on a SW radio if you haven't got a
> counter.
> >
>
> We have verified the frequency and have the corresponding value in
> the ISP program (14745).
>
> > Also, you need to set it for the ISP utility. I forgot this when I
> tested my
> > first board; it worked but wasn't very reliable.
> >
> > Start off with the baud rate set for 9600, it's less critical.
>
> That's what we are using as well.
>
> Last night we were able to get it to work once, but today - we don't
> seem to be having any luck. We were hoping to see if there was
> something we were missing. But it *seems* like we've got everything
> covered. I wonder if it's something on the PC side. All the other
> designs (the ashling board, your board (Leon) use the MAX3232
> converter). We didn't have that on our board, and so we connected our
> PC to the ashling board and then jumpered the Rx and Tx pins to our
> board. (worked once or twice last night but not today).
>
> Ah, life's mysteries!  Anybody available by phone that we might be
> able to confer with? We'll pay for the call, of course!
>
> Thanks,
> Bryan
>
> >
> > Have you got a reset switch? I use an RC circuit with the switch
> across the
> > C.
> >
> > Leon
> > --
> > Leon Heller, G1HSM
> > Email: aqzf13@d...
> > My low-cost Philips LPC210x ARM development system:
> > http://www.geocities.com/leon_heller/lpc2104.html
>
>
>
>
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