STM32F446 with TrustZone?

waclawek.jan · ‎2026-01-31

Isn't TrustZone something which started to be only since Cortex-M33?

JW

RomainR. · ‎2026-01-31

Thank you for reporting this unexpected typo in this new release.
Of course it must be corrected as "The STM32F4446xx devices have an Arm®(a) Cortex®-M4 with FPU core"
I will make the necessary as soon as possible to fix it.

Best regards,
Romain,

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RomainR. · ‎2026-01-31

Hi @waclawek.jan

Thank you for reporting this unexpected typo in this new release.
Of course it must be corrected as "The STM32F4446xx devices have an Arm®(a) Cortex®-M4 with FPU core"
I will make the necessary as soon as possible to fix it.

Best regards,
Romain,

To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.

RomainR. · ‎2026-02-02

Hi @waclawek.jan

I created a internal request (internal tracking number: 226424) to fix this typo in the next RM0390 revision and which will be published as soon as possible.

Best regards,

Romain,

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RomainR. · ‎2026-02-14

Hi @waclawek.jan

The new RM0390 Rev9 is now available.

Best regards,

Romain,

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waclawek.jan · ‎2026-02-15

Hi @RomainR. ,

Thanks for letting me know.

JW