Code execution from Flash on i.MX RT1064

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Code execution from Flash on i.MX RT1064

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sivaram_grps
Contributor I

We are checking i.MX RT1064 for our future product, we would like to know if we need external RAM for code execution, or the code can be directly executed from on chip flash. 

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jay_heng
NXP Employee
NXP Employee

You can also try this tool, with this tool, You can flash bare image into various boot devices easily and don't need to care about headers (ivt, boot data...)

GitHub - JayHeng/nxp-sec-boot-ui: A one-stop GUI tool to work with NXP MCU (Kinetis, i.MXRT, LPC) RO... 

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igorpadykov
NXP TechSupport
NXP TechSupport

Hi sivaram

yes code can be directly executed from on chip flash.

Best regards
igor
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carstengroen
Senior Contributor II

Igor,

what is the penalty/performance if executing from the 4 MB internal flash on the 1064 ?

(I know its probably hard to give a precise answer, I'm more after a "rule of thumb" regarding this)

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igorpadykov
NXP TechSupport
NXP TechSupport

Hi sivaram

I think performance is the same as with externally connected flash.

Best regards
igor

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