STM32H743VIT6 - Device Configuration Tool Code Generator: D1CPRE Clock frequency must be =< 200MHz

[RhSilicon]

Hi,

I'm having trouble getting around the USB port stuck issue on the STM32F407VGT6, so I'm looking to get to know the STM32H743VIT6.

The problem is that I believed that the clock of this STM32H743VIT6 was 480MHz, but the generator says it has to be below 200MHz. Is this correct?

[AScha.3]

hi,

the max. allowed clk depends on the core voltage setting and chip revision ;

try rev. V  , scale 0 , LDO

[RhSilicon]

Thanks,

The limit actually rose to 400MHz, but it hasn't reached 480MHz yet.

I think it's still bad to operate the IDE, it's not intuitive.

This "2WS latency" and "Pwr Reg V Scale 0" option only appeared after I tried to put a Clock value above the limit.

So I had to go back to the previous tab, "Pinout & Configuration" again.

Only after modifying the configuration again, it was possible to put 480MHz.

[RhSilicon]

Got it, first you have to select the "revision V", and then the "Pwr Reg V Scale 0" option will appear.

Arabic way of doing things, from bottom to top.

[AScha.3]

Didn't I write this??

[RhSilicon]

I didn't understand the first time, maybe because the images are in the opposite order. But thank you for the information.

[Amel NASRI · Accepted solution]

Hi @RhSilicon ,

For a complete answer to your questions, please refer to this knowledge article: How to reach 480MHz for STM32H7xx MCUs ? - STMicroelectronics Community.

-Amel

[RhSilicon]

Hi, since one of the attractions of the MCU H7 is that it can run at 480MHz, if not its biggest attraction, wouldn't it be more convenient for the user to find the revision checkbox at the top of the STM32CubeIDE settings tab?