Lpc2000

Is there any method to identify whether the JTAG inputs of LPC have been damaged.

Leon Heller <leon.heller@...> wrote:  ----- Original Message ----- 
From: "jk jlkj" <njad2002@...>
To: <lpc2000@yahoogroups.com>
Sent: Monday, March 27, 2006 5:38 AM
Subject: Re: [lpc2000] JTAG problem


> Hi,
>
>  I am using IAR Ver 4.31A.
>  This board used to work fine on the IAR Ver 4.30A.
>  I have checked the Flash programming through Serial port using LPC2000 
> Flash utility, and it seems to be working fine. Can it happen that just 
> the JTAG of the LPC is not working, while everything else is functioning 
> properly.

Could be. I repaired a board for someone who had a similar problem by 
replacing the LPC2106. The JTAG inputs could be damaged if the adapter is 
connected with the power on, I always try to remember to disconnect it from 
the power supply when connecting the JTAG.

Leon 


    
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