STM32 MCUs Boards and hardware tools

Ask questions and find answers on STM32 hardware set-ups, including schematic-related challenges, debugging probes, power configurations, and more.

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QSPI read and write timing

Hello I have been trying to test the QSPI flash on the STM32H747, Based on the BSP test code.  clock speed - 66Mhz prescaler-3Write operation Data size (KB) 1 4 10 50 75 100 Time taken(us) 618 2406 5337 16956 24233 31427 Read operation Data size (KB)...

sarun by Associate III
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  • 6 replies
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STM32H745 Dual Core Power Management

I am running FREERTOS on both M7 and M4 on STM32H745 MCU. In general M7 gets booted up and release HSEM for M4 then it will start.Now my question , if there no activity in M7 (idle mode), would like to keep M4 actively running and put M7 in sleep. I...

YSN by Senior
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  • 3 replies
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SWO Viewer in ST-LINK Utility

Hi Friends, I need Yours Help. I have  working on  STM32F407VET6  development board  and  I have to write on simple code like count the values. I want to see the data in SWO (Serial Wire Viewer).But using STM32CUBEIDE to flash the code to my code is ...

Vignesh_V by Associate II
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  • 22 replies
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Resolved! Nucleo H723ZG registers for GPIO's (?)

Hello,I have a general question to the pin mapping and registers for the H723ZG. Where can I find the register name or register ID of e.g. the GPIO PA4? I expect something like 0000x000 or similar.I have searched for this in the DB3171 Data Brief, in...

Lysandros by Associate II
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  • 2 replies
  • 3 kudos

Questions about HSM

Hello,I'm programming an HSM following this video, but I don't fully understand how the HSM works.That is, once I program the HSM, what does it mean? What is "HSM version Maximum counter" and how does it work? How can I rerun the processes from the v...

mikel-m by Associate III
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  • 2 replies
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Resolved! DFSDM change clock divider at runtime

Hello,I am trying to change the clock divider of my DFSDM channel at runtime. What I try to achieve with this is starting my microphone in standard mode and then increasing the clock rate to go into performance mode. This procedure is recommended by ...

WolframG by Associate II
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  • 6 replies
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Resolved! USB OTG HS STM32F407 BOARD

I have successfully implemented the USB_OTG_FS as host as mass storage class on the STM32F407 discovery board. Now I want to do the same with the USB_OTG_HS But there is no usb connector available on the discovery board Can anyone guide me what exter...