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...


why i get the VDDA value from VREFINT is wrong ?

I use MCU STM32L073, set VDDA=VREF+=3.29V, VSSA=VREF-=GND=0V.I read Vrefint_cal for (0x1FF80078), get the value of Vrefint_cal = 0x680get Vrefint_data from ADC_CHANNEL_17, get this value is Vrefint_data =0xbb7 the code is here:///////////////////////...

lxiju by Associate II
  • 2 replies
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STM32L432KC - Bootloading from RFID I2C Memory?

Hi all,I develop rough environment IoT sensors that are completely potted in polymer epoxies. I use a STM32L432KC MCU inside to drive different sensors and RF radios. My sensors also integrate I2C RFID memories and magnetic switches in order to inter...

XBLYNKZ by Associate II
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Resolved! stm32f411 spi4 low clock speed

Hello!I have problem with spi4 clock speed. I want to drive a lcd tft display but spi clock is max 500Khz, baudrate prescaler set to SPI_BAUDRATEPRESCALER_2. Is very weird. Initial setup was made with CubeMX to 48Mbit/s. APB2 clock is set to 96Mhz. I...

mcufan by Associate III
  • 18 replies
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FMC Issue with Allignment

I am trying to read/ write data into FMC SDRAM (16 bit) in Bank 1. While writing the data hard fault occurred. What is the reason for that hard fault, is there any problem with data alignment, If yes what is the solution for it ?

PBU by Associate III
  • 1 replies
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