--- In lpc2000@yahoogroups.com, "arm7dude" <arm7dude@...> wrote: > Thanks for your attention dude, but your advice doesnt work at all.. I can programme the flash only twice and i dont know how.. Is there any thing else to do? Thanks for your help... > Serdar, > > Your jtag speed is set too fast. The segger driver 3.10d will help a > lot. You can also set the speed to fixed at 1000, assuming your CCLK > is 12mhz or better. These are set in the JLink selection in Options. > > Hope this helps > > --- In lpc2000@yahoogroups.com, Serdar Demirdag <SerdarDemirdag@> > wrote: > > > > Hi everyone, > > > > I obtain the following message when i try to download the code > with J-Link; > > > > "Could not identify firmware(identification string has length of 0)" > > > > or > > > > "Received 0xFFFFFFFF as core Id. > > No communication with core" > > > > I checked all J-Link connections and LPC pins. > > > > I use; > > MCU : LPC2131 > > Comp: IAR 4.30A > > > > I hope someone can help me. > > Have a nice day, > > > > > > > > --------------------------------- > > Yahoo! Autos. Looking for a sweet ride? Get pricing, reviews, & > more on new and used cars. > > > > [Non-text portions of this message have been removed] > > >
Message
Re: Core id problem
2006-02-17 by Serdar
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