Increase frequency to 480

[mkari]

Hi

​Pre-purchased microcontrollers (stm32h743i) can increase this frequency up to 480 MHz?

[Tesla DeLorean]

Liking ones own posts deprioritizes​ them.

What step/version of the part?

Can't you just configure the PLL and flash wait states?​

[ffabi]

Hello,

depending on the Revision of the Chip the Maximum frequency might be only 400MHZ, as you can read in the Errata (ES0392) of the Chip under 2.2.20

[Tesla DeLorean]

Most of them run well over 500 MHz in my experience.

[Roma Jam]

Hi!

If you have MCU with revision Y it is mean that maximum frequency is 400 MHz. I achived 420MHz, but it isn't stable.

So be carefull and do checking the revision register at any time you want to configure CPU clock.

ERRATA:

[Tesla DeLorean]

The Y parts topping at +5% seems inordinately low