STM32 MCUs Products

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STM32F103RBT6 USB communication problem

Hello,I have a problem with the STM32F103RBT6 to setup USB communication.I tried to setup it up according to this instruction: https://shawnhymel.com/1795/getting-started-with-stm32-nucleo-usb-virtual-com-port/Then I found that my MCU has a special p...

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Resolved! STM32U031 contains wrong value under VREFINT_CAL_ADDR

My STM32U031R8T6U (CPU: UID=0x20353953_39365013_0030007C Lot#=59S96P Wafer#=19 X=48 Y=124 FLASH=64KB) has 0xFFFF under VREFINT_CAL_ADDR - the Vrefint calibration data are absent.C code:printf("\r\n *VREFINT_CAL_ADDR=%u", *VREFINT_CAL_ADDR);Output:*VR...

mmk by Associate
  • 965 Views
  • 2 replies
  • 1 kudos

Resolved! maximum current of GPIO

Good morning,I am using an STM32G4 Nucleo-32 board (MB1430) and want to drive Relays with its GPIO; I need to know the maximum current that can give a GPIO. I searched on the datasheet of the STM32G431x6 , the maximum power that can be delivered, but...

Jad by Senior
  • 450 Views
  • 2 replies
  • 2 kudos

Resolved! SD-CARD implementation with SDMMC and FatFS

Hello,i have a question concerning the SD-Card functionality and the licensee fee of the SDMMC implementation of the STM32H723ZG.My goal is to log some data on the card. According to the documentation, the FatFs-Filesystem can be used under a BSD-sty...

bhoppe by Associate
  • 1288 Views
  • 4 replies
  • 2 kudos

Resolved! STM32 FATFS exFAT license

Hello,According to the documentation, the FatFs-Filesystem can be used under a BSD-style license. How About the exFAT licence fee. Has this fee already been paid with the purchase of the STM32?

Resolved! Any plans for 16bit DACs for the G4 range?

Hi there,There are a few projects where having a 16bit DAC instead of a 12bit DAC would be extremely useful.I am currently using the G4 series as analog synthesizer controllers and it would be fantastic to be able to use the 1MHz DAC as a 16bit audio...

etheory by Senior II
  • 352 Views
  • 1 replies
  • 1 kudos

STM32G07 SPI1->DR will NOT accept data

I've been designing STM32F devices for 15 years.My first design using a "G" family - and it has NOT been easy.SPI is a very simple device to use - my setup: RCC->APBENR2 |= RCC_APBENR2_SPI1EN; RCC->APBRSTR2 |= RCC_APBRSTR2_SPI1RST; // resset...

Joe.H by Senior
  • 217 Views
  • 1 replies
  • 0 kudos

Multiple DMA uses

I am writing a field oriented control library targeting the STM32F4xx and STM32G4xx series. In the program, I have to: 1) Read 2 sensors using I2C 2) UART serial communication with host PC to send real-time motor parameters or receive new commands 3)...

eggsacc by Associate II
  • 353 Views
  • 2 replies
  • 0 kudos