STM32 MCUs Products

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Forum Posts

RTC Oscillator not stable

Hello,In one of our new PCBs we use a STM32L476VET6. For the RTC we use an external Oscillator (shown in the Picture)The drive power is set to the highest level.In our setup, the RTC only works at room temperature and with no probe connected. As soon...

FabianHladik_0-1731585469263.png FabianHladik_1-1731586045292.png

Resolved! STM32 UART Byte-to-Byte treatment

Hello, I am trying to receive and transmit byte-to-byte on a STM32F429 Discovery, I will be using a STM32U5 Discovery soon. I used UART IT method but maybe there is a better solution...Objective & Issue:I want to continuously receive and send byte-to...

Nero by Associate II
  • 1450 Views
  • 4 replies
  • 7 kudos

How to clear the specified flash page's WRP?

Hi there,I want to clear the specified flash page's WRP by program, but I can only do it by clearing all the flash page's WRP,meanwhile, I also need to keep my data in option byte.my code is as follows(the project at HERE :(uint8_t data0 = HAL_FLASHE...

Junde by Senior III
  • 509 Views
  • 2 replies
  • 0 kudos

Resolved! when we should use the OB_STOP_RST config in Option Bytes?

Hi there,There is a config option named "OB_STOP_RST" that exists in Option Bytes' USERconfig, I tested it with STOP mode, and it works well.But I can't understand when we should use it. After clearing this bit to OB_STOP_RST, the MCU will reset righ...

Junde by Senior III
  • 496 Views
  • 2 replies
  • 1 kudos

SSD1963 with STM32F407 using FSMC

Hello,I am trying to configure STM32F407VGT6 discovery to work with 800x480 LCD with SSD1963 onboard. In the end i would like to use TouchGFX to run the GUI.I was testing several configurations to display anything manually first. It looks like the co...

oleq96 by Associate
  • 656 Views
  • 1 replies
  • 0 kudos

SMPS fail to supply Vcore, what could be happen?

Hi, I'm using a STM32H757XIH6 with SMPS. Everything (firmware & hardware) are working fine but after a switch off/on of the power supply, I could not connect to the microcontroler via SWD. First I thought it was the Power configuration that had been ...

Byann.1 by Associate II
  • 2143 Views
  • 4 replies
  • 0 kudos

STM32L431RCT6 wakes up immediately after standby

I am trying to use STM32L431RCT6 with STM32CubeIDE and STM32Cube_FW_L4_V1.18.1 for a low power mode application. I tried Sleep mode, Stop mode and they both work OK. But the standby mode does not working. The MCU wakes up instantly after entering sta...

NEdom1_1-1731950055328.png
NEdom.1 by Associate III
  • 689 Views
  • 3 replies
  • 0 kudos

STSW-LINK009 Driver Install Fail

Hello, I am on a MacBook Pro M2 running Parallels Windows 11. I have downloaded the STSW-LINK009 zip file. Because of my machine, I need to run the dpinst_amd64.exe file. It opens and runs perfectly fine but I am unable to install the drivers as it s...

Driver Install Fail.png
alan29 by Associate
  • 789 Views
  • 3 replies
  • 0 kudos