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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Resolved! How Do I set a Timer output compare high or low?

I am working on a project that uses a PWM on a timer to drive a buzzer.  When the buzzer stops I need to set the output compare signal high.  The timer set ARR to 250, and the compare value to 125, giving a 4kHz square wave with a 50% duty cycle.   I...

JMala.3 by Associate III
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stm32h7 ethernet not working

I made several changes in ethernetif.c  pbuf_ref(p); if (HAL_ETH_Transmit_IT(&heth, &TxConfig) == HAL_OK) { while(osSemaphoreAcquire(TxPktSemaphore, TIME_WAITING_FOR_INPUT)!=osOK) { } HAL_ETH_ReleaseTxPacket(&heth); } else { pbuf_free(p); } ////...

Trace on STM32H7

Dear All,I want to use trace on STM32h755So kindly let me know which trace/debugger has to use and what are the pins required. 

vchau.2 by Associate III
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  • 1 replies
  • 1 kudos

Resolved! FDCAN2 Rx callback never called (STM32H750)

Hello,On my project, I use FDCAN1 and FDCAN2. FDCAN1 is working perfectly fine.On FDCAN2, I can transmit data successfully (with the CAN ID 0xBEEF), but when I want do receive data, the Rx callback is never called, nor the IRQ handler (the CAN ID fil...

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Resolved! ADC

the code generated for my channels if i initialize this channels and    hadc1.Instance = ADC1; hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV2; hadc1.Init.Resolution = ADC_RESOLUTION_12B; hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT; hadc1...

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meena by Associate III
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  • 4 replies
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Resolved! Complex Bootloader Jump External Flash Application

Hello everyone,I have been working on a custom bootloader for the STM32H735 microcontroller and I am encountering an issue when attempting to jump to my main application stored in external flash memory. Here's a brief overview of what I've done so fa...

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HispaEmo by Associate III
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  • 1 replies
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STM32F427 PWM on 40 pins with DMA and BSRR

Hi,I need to generate ~8khz PWM on 40 pins with at least 1% resolution. I was thinking about solution using GPIO ports D,G,F and DMA2 streams 1,2, 7 which are all triggered by TIM8 (TIM8_UP, TIM8_CH1, TIM8_CH4/TRIG/COM).I am worried about the data tr...

Vach23 by Associate
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  • 2 replies
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