Unable to debug MRAM Ext Debug on Tower 52259

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Unable to debug MRAM Ext Debug on Tower 52259

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accutime
Contributor III

I am CodeWarrior 7.2 with MQX 3.6 along with a Tower MCF52259 CPU and TWRMEM card that contains a 512K MRAM.

 

The jumpers on the MCF52259 board and TWRMEM are set to default.

 

I am using the onboard Coldfire V2-V4 JM60 OSBDM debugger

 

I can build the Web_hvac_twrmc52259.mcp in codewarrior to int_flash_debug , erase and program the internal flash and debug the project without any problem.

 

If I build the project to ext_mram_debug the code is uploaded to the mram and the debugger is entered at __main.

 

I can single step lots of instructions but as soon as I enter RUN I get the message

 

GDI Protocol Plugin

"The debugger cannot read memory"

 

Can anyone help

 

Kind Regards

 

Paul H

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Awera
Contributor III

I have the same problem. Can anyone help me wiht this problem?

 

Thanks

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