STM32 MCUs Products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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STM32U5A5QJ Part Selection Clarification

Hi,We are currently in the process of selecting components for our project, and we have identified the STM32U5A5QJ9 (STM32U5A5QJ), foot-print size UFBGA 132 7x7x0.6 P 0.5 mm) microcontroller as a potential candidate. However, upon reviewing the datas...

No STM32 Target Found

  im using STM32F103C8T6 , Im using it without any problem but yesterday i upload code , the code is not correct then i make some changes and upload again then it showing this error i use both ST-LINK UTILITY and STM32CubeProgrammer , i follow some s...

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mubarak by Associate II
  • 409 Views
  • 7 replies
  • 3 kudos

Resolved! SPI display in standby low power mode

Hello,I have a project which demands the device to work in ultra low power mode. I have opted STM32L4R9AI mcu for this project. The problem is i have a spi based lcd display and i need to display the content constantly without flicker even in low pow...

Unable to talk to BMP280 over SPI

I am attempting to talk to BMP280 over SPI using Nucelo-F401RE. I am using SPI2 on the F401RE board to do so, I am able to read from it correctly but I can't seem to write to it in order to communicate with it. My code is as follows   /* USER CODE B...

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STM32L432 EXTI strange behaviour

Hi,  I have three buttons - START, STOP and CH_SELECT which are serviced using EXTI interrupts. I have also a rotary encoder (A and B pins). Every button line is serviced on a separate IRQ line. Debouncing of the switch and rotary encoder pins is han...

tompa by Associate II
  • 652 Views
  • 12 replies
  • 1 kudos

Which TIMs support Quadrature encoder

Hello,I am trying to use the quadrature encoder mode of the TIM in the STM32U585VITx, for positioning purposes of a stepper motor movement.According to DS13086, page 79, the general purpose timers (TIM2, TIM3, TIM4, TIM5, TIM15, TIM16, TIM17) support...

Elham by Associate II
  • 698 Views
  • 12 replies
  • 2 kudos

STM32F07 Timer max. external clock

HiI want to use a STM32F072 (max. 48MHz) to monitor an external clock.The external clock has a frequency of 38.4MHz.My idea is to use timer TIM3 (32bit) as counter and use the external clock as clock source (external clock mode 1).I read the datashee...

Katagia by Associate II
  • 191 Views
  • 2 replies
  • 1 kudos

Using pre-programmed bootloader on STM32G0B0RE

helloI am developping on a STM32G0B0RE, I've learned after finishing my board and everything that boot pin can be used by default.It is not a problem since I have ST-Link for production but I would like to be able to do firmware update through bootlo...

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Tiboww by Associate II
  • 933 Views
  • 16 replies
  • 0 kudos

Resolved! STM32 CAN Normal mode

Hi All,I am currently working on the CAN normal mode in a custom board with MCU STM32F098RCT6 and CAN transceiver TJA1042. Very first I tried the loopback mode and it was successful. Then I am now trying to interface two custom boards using the norma...