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Lpc2000

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Message

Re: Olimex LPC2106mt bootloader problem

2006-02-09 by nma550n

Anders,

I am also having problems with the Philips LPC2000 flash utility 
(olimex LPC2106), and was just about to post a message on this board 
to see if the problem lies with my development board.
I am just trying to upload the simple blink LED hex file to flash, 
and it just comes up with cannot communicate. I too have tried many 
different com ports, jumper settings and different reset conditions, 
to no avail. This is the first time I have tried to use this board, 
so i have no idea if the thing works.

I am almost certain the problem does not lie with the Philips LPC2000 
flash utility as I have scoped out the Rx signal (3.3v low, 0v high) 
on the board and found it to receive data. 
However, my Tx pin on the chip is always at ground and does nothing.

Does anyone know if Tx should be held at 0v???

Not sure if this will help you Anders, but just to let you know your 
not alone.

cheers,

Nick

> --- In lpc2000@yahoogroups.com, "Anders Kjellberg" <akj@> wrote:
> >
> > Hi,
> > I'm trying to establish connection with Philips Flash Utility and 
> an Olimex 2106 mt board without success. TheBSL jumper is shorted 
> and the frequency set at 14745kHz (14.7456MHz). Different baudrates 
> have been tried without success. I am not sure about the DTR/RTS 
> settings however. Also I may be using the wrong RS232 cable. Null 
> modem or not? I'll have to check that. I intend to use the 
> bootloader and ICCARM. Any ideas that may help?
> > 
> > Thanks in advance!
> > /Anders
> > 
> > [Non-text portions of this message have been removed]
> >
>

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