S32KのトピックS32K312 OTP

S32K312 OTP

rameshnairmetallic — Mon, 05 Aug 2024 08:56:55 GMT

I have a few queries related to the OTP region.

What is the start address and size of OTP in S32K312?

I would like to store a 4K key into this memory . Is it possible.

How do I ensure that this region is locked and read -only?

Is this region accessible from any Flash Bank ?

Also, are there any dependencies in terms of HSE operations when HSE is enabled on this region.

Re: S32K312 OTP

petervlna — Tue, 06 Aug 2024 06:31:29 GMT

Hello,

What is the start address and size of OTP in S32K312?

0x1B000000 and 8kB is size.

I would like to store a 4K key into this memory . Is it possible.

You can store it here, at first free available address. Depending on your DCF usage

How do I ensure that this region is locked and read -only?

It is by default from NXP facotry.

Is this region accessible from any Flash Bank ?

Yes

Also, are there any dependencies in terms of HSE operations when HSE is enabled on this region.

No, HSE will use only blocks defined for HSE usage. There is no choice.

Best regards,

Peter

Re: S32K312 OTP

mumuxin — Mon, 07 Jul 2025 11:43:41 GMT

Hello, I might need to use this Utest NVM space as an OTP now. However, I couldn't find the specific usage procedure in the manual. Could you please explain this process to me, or tell me where I can find the relevant information? Thank you!