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ITCM, DTCM and IRAM access

Mallikarjun Shivappa Bidari over 12 years ago

Note: This was originally posted on 28th March 2012 at http://forums.arm.com

Hi,

The ITCM and DTCM are used to improve the performance or the access speed (Low latency memory and Unpredictibility of the caches).
Similarly the IRAM also provides the improved speed.
If the system has both IRAM and TCM, then how does the IRAM and TCM access differ (Where does IRAM and TCM connected, is it on system bus)?

Regards,
Malli

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0 Martin Weidmann over 12 years ago

Note: This was originally posted on 2nd April 2012 at http://forums.arm.com

I'm not sure what you mean by "IRAM" so will have to pass on that question.

For TCMs, yes they fall into the standard address range of the processor. What is different is how they physically connect to the processor.
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0 Martin Weidmann over 12 years ago

Note: This was originally posted on 2nd April 2012 at http://forums.arm.com

I'm not sure what you mean by "IRAM" so will have to pass on that question.

For TCMs, yes they fall into the standard address range of the processor. What is different is how they physically connect to the processor.
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