Code execution from Flash on i.MX RT1064

[sivaram_grps]

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. 

[jay_heng]

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... 

[igorpadykov]

Hi sivaram

yes code can be directly executed from on chip flash.

Best regards
igor
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[carstengroen]

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)

[igorpadykov]

Hi sivaram

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

Best regards
igor