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kakde
Active Contributor

Join Date: Apr 2012
Posts: 10

Microcontroller with JTAG

07/05/2012 6:03 AM

Hello!!

I am trying to debug a program into a microcontroller using AVR jtag adapter...

When I run the program with the JTAG I get the results but if the JTAG is disconnected the program dose not display any result. Why does this happen, is it the program not saved in the microcontroller or something to do with the port connection??

micro controller is AVR ATXMEGA128A1 module,

program written in AVR STUDIO 6

connector is JTAG
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Pathfinder Tags: microcontroller
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Anonymous Poster #1
#1

Re: Microcontroller with JTAG

07/05/2012 6:25 AM

http://cr4.globalspec.com/thread/79052/avr-atjtagice-mk2-problem
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kakde
Active Contributor

Join Date: Apr 2012
Posts: 10
#2

Re: Microcontroller with JTAG

07/05/2012 6:58 AM

Yes but neither do I have any reason for the problem there.
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Anonymous Hero
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#3

Re: Microcontroller with JTAG

07/05/2012 8:21 AM

When you re-compile the program make sure that debug mode is off.

Generally, compilers for embedded microcontrollers either compile in debug mode or stand-alone. There probably are some configuration bits that need to be set or cleared.

Here is an example of those bits for a PIC32MX:

// Debugger Related Settings
//#pragma config DEBUG = ON // Debugger Enabled.
#pragma config DEBUG = OFF // Debugger Enabled.
#pragma config CP = OFF // Code Protect
#pragma config PWP = OFF // Program Flash Write Protect
#pragma config ICESEL = ICS_PGx2 // ICE/ICD Comm Channel Select
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