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Re: [lpc2000] JTAG difference between LPC2138 mask A and B know ?

Re: [lpc2000] JTAG difference between LPC2138 mask A and B know ?

2006-02-22 by Tom Walsh

r_bottleneck wrote:

>Hi,
>
>Does anybody know something about differences regarding the
>JTAG interface between LPC2138 mask A and mask B?
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Strange behavior? Hmm, like it makes rude gestures?

I have had some difficulty in being able to connect to the LPC2138.  The 
BDI2000 reports ICE-BREAKER initialization failures.  Then I have to 
wait for the pod to timeout (10 seconds) and retry the linkup.  
Sometimes it takes 4 or 5 tries before it connects.

Is that "strange behavior" like you are having?

TomW


>Thanks for any information.
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>Yahoo! Groups Links
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-- 
Tom Walsh - WN3L - Embedded Systems Consultant
http://openhardware.net, http://cyberiansoftware.com
"Windows? No thanks, I have work to do..."
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Re: JTAG difference between LPC2138 mask A and B know ?

2006-02-22 by r_bottleneck

--- In lpc2000@yahoogroups.com, Tom Walsh <tom@...> wrote:
> I have had some difficulty in being able to connect to the LPC2138.
 The 
> BDI2000 reports ICE-BREAKER initialization failures.  Then I have to 
> wait for the pod to timeout (10 seconds) and retry the linkup.  
> Sometimes it takes 4 or 5 tries before it connects.
> 
> Is that "strange behavior" like you are having?
> 
> TomW


Yes, sounds similar, but just the other way around.

First time after power up the debugger can take control about the 
device, any further startup attempt without power up fails. 

Mask B is working perfectly all the time . I'm going change the
device.

Thanks

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