STM32N6 wrong APB bus clock limit

MasterPhi · ‎2025-11-25

On STM32CubeMX 6.16, STM32N6 package 1.3.0, APB frequency limit is shown as 400MHz instead of 200MHz.

AHB is correctly shown as 200MHz

Souhaib MAZHOUD · ‎2025-11-25

Thank you for posting!

I am currently checking this issue internally; Could you provide the MCU part number.

KR, Souhaib

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MasterPhi · ‎2025-11-25

Hi Souhaib,

I've selected NUCLEO-N657X0-Q board, MCU should be STM32N657X0.

Souhaib MAZHOUD · ‎2025-11-25

Hello @MasterPhi

Thank you for bringing this issue to our attention!
The problem has been escalated to the dedicated team for fixing. (Ticket 222493 This is an internal tracking number and is not accessible or usable by customers).

BR, Souhaib

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