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Clarity on EDBGRQ on CM4

Dhaval

All,

 

We are using CM4 in our design. I am looking for a way to halt the CM4 core using non-JTAG based debugger. One particular signal on CM4 that caught our attention is "EDBGRQ". From the manual we are not 100% clear on the functionality of this signal.

 

Can someone help us understand the functionality of this signal more and also provide some ideas on how to halt the core using non-JTAG interface?

 

Thanks.

 

Regards,

Dhaval

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