Checkstop for the T1040

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Checkstop for the T1040

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hv
Contributor II

what does the T1040 have that is equivalent to the checkstop in the 7410?

Thanks!

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alexander_yakov
NXP TechSupport
NXP TechSupport

Checkstop condition is some specific condition which the core enters, when machine check condition occurs, but machine check exception is disabled. There is no way to resume from this condition, the only hard reset may be applied to restart the core.

As long as this condition is very specific and there is no way to resume from this condition, this checkstop condition is usually not used for normal operation. Instead, machine check exception is usually taken and machine check handler is invoked in case of any machine check condition.

In the e5500 core, checkstop is not implemented, the only machine check is available. There is no direct equivalent for checkstop state, please describe how checkstop is used in your design so we will be able to suggest a replacement.


Have a great day,
Alexander

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