Lpc2000

Yes, have tried several different computer with different COM ports. 
At school today I have had access to an oscolliscope and found out
that the philips program is sending out a string of question marks
trying to get the chip to respond with Synchronized, but the chip just
sets there.  However on the same computer and COM port I can fire up
HyperTerminal send a single "?" and get the Synchronized response as
expected.  Still at a loss here, can't figure out what would cause this.

Thanks
Reggie

--- In lpc2000@yahoogroups.com, Thomas Patrick <thomas_lpc@y...> wrote:
> Have you tried other com port for ISP ??
> 
> Nice Guy <mcmurtr@g...> wrote:
> I'm using an olimex 2106 header board and I'm having problems getting
> ISP to work.  The philips ISP program will not do a thing, simply says
> unable to communicate with board when I try to read device ID or any
> other opperation.  The lpc21isp program will not sync either, even if
> I go in terminal mode the 2106 seems to freeze up.  However if I use
> HyperTerminal I can type "?" and get the "Synchronized" response, I
> respond with "Synchronized" then "14746" and can get part ID and
> Bootloader version with no problems at all.  Still I didn't have a way
> to load a program and test things out, So I moved to a differt
> computer running linux.  I used the lpc21isp program under linux.  At
> first there was no problems, I was able to load a program to blink a
> led and that worked.  Later on I wrote some code and was going to try
> it.  I started lpc21isp up on the linux box and it wouldn't sync.  So
> I started lcp21isp up in term only mode and was able to send "?", but
> only get back "Synchro".  Every time I try term only mode I get the
> same results and still no luck on the windows box either.  To get from
> TTL to RS232 levels I'm using a box with a max232 chip that worked
> fine last semester with a msp430.  I have tried speeds from 9600 to
> 38400 and that has no effect.  Anyone have any Idea what could be
> wrong?  What I really don't understand is why Hyperterm will work on
> the windows box, but the lpc21isp in term only mode won't.
> 
> 
> 
> 
> 
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