STM32 MCUs products

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GPIO interrupt triggered incorrectly

I am using micro switches in my system with the GPIO EXTI. I would like to detect only the press of the switch, but the interrupt was triggered on both press and release of the switch. The interrupts were even triggered twice on each press and releas...

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hchienti by Associate II
  • 193 Views
  • 6 replies
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Nfc01a1 wont work properly

Hello everyone, I am new to the world of STM32 and am trying to get a bit familiar with the topic. Unfortunately, I'm stuck with the code to read the UID from an NFC tag. The code itself has no errors and is uploaded to the microcontroller. Unfortuna...

Tamti by Associate
  • 81 Views
  • 0 replies
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Resolved! STM32H745BI SPI port does not start

I am trying to get a SPI port up and running on an STM32H745BI chip but after configuring the port and starting the transmission I never see any signals on the pins and the port never gets an End Of Transmission (EOT) high signal. Startup code is lis...

ews by Associate II
  • 152 Views
  • 2 replies
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STM32F103CBT6 not recognized USB device

It is not recognized as a USB device. What did I do wrong or miss?IC: STM32F103CBT6 1. Is the distance between USB D+ and PA12 (Pin 33) and USB D- and PA11 (Pin 32) long?The distance from USB D+ to PA12 and USB D- to PA11 is approximately 35 mm (1,38...

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CXR by Associate II
  • 125 Views
  • 3 replies
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CAN Bus doesn't work in normal mode between two MCUs

Hello,Hope you all doing well..!! I am using two microcontrollers i.e., for transmitting data I have to use STM32F407VET6 and for receiving I have to use STM32F407VGT6 also I have to connect MCP2551 CAN Transceiver. I am transmitting data from one bo...

mr_vineet by Associate II
  • 883 Views
  • 22 replies
  • 9 kudos

SD card doesn't work with stm32L552ZET6

Hello everyone,I have been using for a long time the stm32L496ZGT6 in a customized PCB with an uSD card module. Never had any problem interfacing the card. Due to the shortage of supply during the pandemic situation I bought a couple of stm32L552ZET6...

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tarm123 by Associate
  • 351 Views
  • 2 replies
  • 0 kudos