STM32 MCUs Products

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Resolved! UART & DMA overrun error

Hi all.I'm working on a project where my MCU (STM32H755) communicate with a device via UART at 921600 Bauds.Here some details about the environment:The device sends constantly, each second, a log at 921600 Bauds. The MCU sends at same speed some comm...

Resolved! STM32G030 ADC DMA Not Working

Hi all,I am using STM32G030F6P6 and trying to read ADC channel 11 and channel 16 using DMA.ADC works correctly in polling and interrupt mode.When I enable DMA, the ADC values in the buffer remain 0 all the time.DMA does not trigger at EOC, and DMA tr...

Resolved! STM32H743 triggers multiple NWE for single write in FMC

Im trying to drive 3.5 inch TFT LCD with STM32H743 using FMC. My setup is : ChipSelect: NE1Memory Type: LCD InterfaceLCD Register Select: A18Data: 8 Bits My timing settings are (FMC Clock: 10Mhz):  Address setup time in FMC clock: 3Data setup time in...

utku by Associate
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  • 1 replies
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Resolved! TIM output compare driving LED on GPIO

Attempting to blink an LED using output compare function of a timer, but I've not been able to get signal or toggling to happen on the pin.I'm using TIM5 channel 3, because I'm planning on using SPI1 eventually (I need to use a clock source separate ...

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STM32F411CE as SPI Slave

Hi!I want my ESP32F411CE Blackpill to operate as an SPI slave device. The Master is not my creation, it is an already existing hardware, and my task is to emulate some Slave.Well, almost SPI. Here is what happening: Master sets CS line high, and read...

FullCycle.png Scope.png ClockConfig.png SPISettings.png
DeXTeR by Associate
  • 122 Views
  • 2 replies
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4 x 4 keypad with Nucleo 411RE and HAL

I created standard project in CubeIDE for Nucleo 411RE ( with default settings)I found some code (which interfaces 4x4 keypad) and try to repeat it with HALI setup pins PC0,PC1,PC2,PC3 with Input mode and Pull-up.PC4,PC5,PC6,PC7 as Output and GPIO ou...

Roman_E by Associate II
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  • 2 replies
  • 3 kudos

Resolved! DMA Transfer with TIM12 trigger in STM32H755

Hello everybody, I am currently trying to trigger a DMA request with TIM12. I have configured the timer in PWM Input Mode on CH1. While for every other timer there is available a DMA request, there is nothing for TIM12 except the one bellow(in RF0399...

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chrkaras by Associate II
  • 98 Views
  • 1 replies
  • 0 kudos

Resolved! CAN transceiver-less communication for only two nodes

Question moved from this post. If I have two devices on the same PCB. say an F7 and an MP157, can the CAN_TX of one be connected to the CAN_RX or the other without a CAN transceiver? Similar to UARTs on the same PCB. Maybe series resistors would be r...

inky by Associate II
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  • 9 replies
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Resolved! About the pins and pin descriptions of the STM32H7S3A8I6

 Hello, I have a question about STM32H7S3A8I6 MCU.https://www.st.com/resource/en/application_note/an5935-getting-started-with-stm32h7rx7sx-mcus-hardware-development-stmicroelectronics.pdfLooking at Table 2 of the description in the PDF above, for gra...

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Woongi by Associate
  • 124 Views
  • 3 replies
  • 2 kudos