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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! Set up UART Interrupt using register

My UART example works very well.  But, I want to do with the UART interrupt.  Currently it does not work because it always jumps to an infinite loop in the start up assembly code.Infinite_Loop:  // startup_stm32f411retx.s b Infinite_LoopHere is my so...

MLi.6 by • Associate II
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How can i send integer or float values using UART in DMA mode, Model:STM32H745XI-DISCO Board, i dont know why but this is not working...

/* USER CODE BEGIN Header *//** ****************************************************************************** * @file      : main.c * @brief     : Main program body ****************************************************************************** * @at...

UART RX Interrupt timeout

Hi there!I start to use a UART (RS485) with stm32g031f6 , and i use HAL_UART_Transmit_ITHAL_UART_Receive_ITand both works. So now i want implemet an timeout on RX line. I saw the app note 3109 and i have a couple of question:if i use timer input capt...

SGian.1 by • Senior
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M93C76RT self-timed programming cycle

Hi there,From testing it's quite jarring to me to discover that after every 16bit write u need to wait ~5ms before the EEPROM will accept after write. After a more detail reading of the manual I found that after SPI write cmd the EEPROM will trigger ...

TLi.7 by • Associate II
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can't find CanMsgTypedef in the stm32l4xx_hal_can.h

I am trying to init the can tx and rx, what i see from the tutorial there should be a CanMsgTypedef in the stm32 driver for the specific mcu. now I am using the stm32l4xx_hal_can.h since I am using the stm32l4a6zg mcu that comes with the nucluos 144 ...

YElsh.1 by • Associate
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Resolved! I am using an STM32H743 user board with STMCubeIDE. I want to use the internal RTC calendar with the internal clock (LSI). Q: first power on clock start 17:20:00 then time is going. For example, when time is 17:20:50 suddenly I power off the

MX_RTC_Init(); if (HAL_RTCEx_BKUPRead(&hrtc, RTC_BKP_DRX) != 0X2233) { printf(" Set Date and Time \r\n"); SetDateTime(); }void SetDateTime(void) { RTC_TimeTypeDef sTime = { 0 }; RTC_DateTypeDef sDate = { 0 }; /* USER CODE BEGIN Check_RTC_BKUP */ /*...

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