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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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Enabling a PWM kills ability to set state on some GPIOs

I am working with an STM32F777. I need to enable both GPIOs and PWMs (which ones is configured at run time by the application). Right now I'm seeing that some PWMs kill other GPIOs. For example if I turn on a PWM on TIM4 CH3 (PB8), it kills GPIOs on ...

CTack.1 by Associate
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  • 1 replies
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Resolved! Odd behavior in assembly busy wait cycle

I am preparing the labs for the undergraduate embedded systems course at the university where I work (the University of Milano-Bicocca in Italy). This year we will change the hardware and we will start using the STM32 Nucleo F767ZI boards. I am a tot...

PB1 by Associate III
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  • 13 replies
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Resolved! STM32L433 LL SPI sending too much data (16 instead 8)

Hello. I need ability to send only 8 bit at the time. And I can't figure-out why I can send it, it keeps generating 16clocks no matter what LL_GPIO_ResetOutputPin(GPIOA,LL_GPIO_PIN_4); Delay(0x8); while((SPI1->SR&SPI_SR_TXE)!=SPI_SR_TXE); ...

Linas L by Senior II
  • 363 Views
  • 4 replies
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STM32H7 SDMMC IDMA write multiple blocks error

Dear all,I am working with the sdmmc lib from STM and i am trying to get it working in DS (Default Speed @25Mhz) with a CARD_SDHC_SDXC, CARD_ULTRA_HIGH_SPEED sd card.When I write multiple blocks with the IDMA for the first time it’s no problem and ev...

STM32F411RE UART not working with IAR debugger

I am currently learning to work with stm32f411re. I use PA9/10 as TX and RX with baud rate 9600 and 1 start 8 bit word and 1 stop without parity. I connected PA9/PA10 with FTDI to my PC and i am trying to send from serial terminal. Trying to do this ...

AVuji.1 by Associate
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  • 3 replies
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I am using DWM1000 on a board with a microcontroller STM32L431CC. I am facing a strange issue when the battery becomes weak and can’t provide the power needed for DWM1000 initialization.

Hello,I am using DWM1000 on a board with a microcontroller STM32L431CC. I am facing a strange issue when the battery becomes weak and can’t provide the power needed for DWM1000 initialization.When the battery is too weak, the board resets because of ...

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