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About JTAG connection when a data abort occurred in i.MX7

Question asked by yuuki on Jan 25, 2017
Latest reply on Jan 26, 2017 by Sinan Akman

Dear all,

 

We perform system development using i.MX7.
We debug it using IAR J-Link.

 

When exceptions such as Data Abort occur, we cannot look at any registers of ARM from J-Link.
We seem that it cannot access the CPU.

 

Such a problem does not occur with other companies's CPU.
We suspect that there may be some problem with JTAG I/F of i.MX7.

 

Is there the method to get information definitely from J-TAG when an exception occurs in i.Mx7?

 

May I have advice?

 

Best Regards,
Yuuki

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