STM32 MCUs Products

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STM32L562E-DK VCP UART. TX OK. RX NO

Hello, guys!My name is Luis and I bought the board STM32L562E-DK for testing purposes for a new project.I have been executing many examples based on freertos and I am very happy on how the STM32L562Q could be my solution in a future project.However, ...

Llope.3 by Associate
  • 1668 Views
  • 3 replies
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MODBUS ERROR-RS485 Converter_ Reg

Hi, I am having data transfer problem with Modbus only when I use a specific RS485 Converter .I am using STM32H750VB as my main IC for a fuel dispenser project. I am having a problem with my MODBUS based on the RS485 converter.i)If i am using...

FDCAN with stm32h7451z in CLASSICAL FRAME mode

Hi there,I have problems when I m using the FDCAN controller. I m using the NUcleo STM32h745ZI with a shield with a can controller on in CLASSICAL CAN mode (NO FDCAN).If a run an example in the HAL_Driver folder it works ( @1MHz Fdcan kern freq = 40M...

DVicc.1 by Associate II
  • 737 Views
  • 1 replies
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Start ADC from timer external input

Hello,I'm working on a nucleo-f401re board, with HAL library.I'm trying sampling a signal and measure its duration, to do it I'm triyng to use the TIM2 of my board to detect rising and falling edges of the start signal, and this works fine.I would al...

CCont.3 by Associate
  • 646 Views
  • 1 replies
  • 0 kudos

Resolved! H743 480Mhz, VCO freq impossible?

Does anyone know how you're supposed to get a clock speed of 480Mhz when the lowest PLLP1 divider is 2, and the max "wide" VCO freq (Input source / DIVM1 * DIVN1) is 836Mhz? Ie This seems to cap the max speed at 418Mhz. Of note, Cube doesn't complain...

DOCon.1 by Senior
  • 999 Views
  • 7 replies
  • 0 kudos

UART at slow rates: How stupid just I am

I've just been caught by this very same issue:https://community.st.com/s/question/0D50X00009XkaBXSAZ/rm0090-usart-minimum-attainable-baudrateAt this place I'd like to ask ST to reconsider baudrates generation for both UART and SPI - please connect th...