Secure Boot and Flash read-out protection

merakian1 — Fri, 28 Feb 2025 06:04:53 GMT

Hi all,

I'm designing a product that will have a USB boot-loader.

I would like to choose a micro-controller that supports secure-boot as well as an ability to completely lock down the micro-controller such that no flash can be read from it. I understand this to be read out protection. Please correct me if I'm wrong.

What's the best way to sort NXP's micro-controller offerings based on the criteria above?

If anyone has recommendations for micros, that would be greatly appreciated.

Thank you!

Re: Secure Boot and Flash read-out protection

Gavin_Jia — Mon, 03 Mar 2025 07:57:38 GMT

Hi @merakian1 ,

Thanks for your interest in NXP MCU products!

For your application scenario, I recommend you to use the MIMXRT series, which provides a variety of secure boot mode, such as HAB and BEE.

In addition, after development is completed, the user can block external SWD/JTAG access by programming eFuse, effectively containing confidential code.

You can refer to these ANs for more details:

BTW, currently all NXP and security-related documents require the customer to sign the NDA to obtain them. The specific operation needs to contact TSR on the official website.

Best regards,
Gavin

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Secure Boot and Flash read-out protection

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