STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

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...

gif-stm32u0.gif

Interrupt problem

Without Interrupt signal STM32F207 print continuously.How to avoid it...void EXTI9_5_IRQHandler(void){ /* USER CODE BEGIN EXTI9_5_IRQn 0 */ /* USER CODE END EXTI9_5_IRQn 0 */   printf("\n\rInterrupt Occur\n\r"); /* USER CODE BEGIN EXTI9_5_IRQn 1 */ /...

Is USB mass storage available at STM32L152-EVAL?

I'm considering to use a STM32l1's family microcontroller at my project, so, as I will need to plug a flash drive at my device, I would like to validate my concept with a evaluation board that can do this. Does my MCU's choice seem right?Does this ev...

LFeli by Associate
  • 287 Views
  • 1 replies
  • 0 kudos

HAL SPI transmit/receive issues

I'm trying to use the HAL SPI driver to do a basic loopback test. I fill a buffer with incrementing values, and send that out while receiving into another buffer using HAL_SPI_TransmitReceive. I have 2 separate conditions both of which show odd behav...

Konami by Senior II
  • 1471 Views
  • 4 replies
  • 0 kudos

STM32 F334R8 HRTIM Comparator Blanking Function

Hi, I have a question about connecting Comparator with HRTIM. I am currently working on Buck Converter with Digital Peak Current Mode Control. In this kind of control I need to measure the current of the inductor and compare it with another current w...

KKr�? by Associate
  • 258 Views
  • 0 replies
  • 0 kudos

STM32CubeMX not preserving my user code

I'm running v1.26.1 of CubeMX and any code that I add between the /* USER CODE BEGIN.. and /* USER CODE END.. comments gets deleted every time I (re)generate the project. I have the 'Keep User Code when re-generating' option ticked. What am I missi...

p.walker by Associate
  • 396 Views
  • 2 replies
  • 0 kudos

STM32L0 I2C Slave, hotplug Issue

Hello,I'm working on a product where we will use the STM32L71 device containing an I2C Interface for servicing and control. I develop first parts of the firmware on a STM32L53 nucleo board. Since the device must be hot-pluggable, it is not allowed to...

Artur1 by Associate II
  • 748 Views
  • 3 replies
  • 0 kudos

Question on PWM input mode

I'm trying to set Timer 2 (32 Bits) from Nucleo L432KC to measure input signals up to 1 kHz (for example). However, I'm confused about the selection of the prescaler and counter period. I read in a book:Another relevant condition is that the UEV freq...

xpp07 by Senior
  • 323 Views
  • 2 replies
  • 0 kudos

I2C communication takes too much time

Hello,I've had some trouble using the i2c interface on my Nucleo F722ZE board. I try to achive constant rate data sampling from my MPU6050 IMU. (accelerometer+gyroscope)For this I use the following 1000 Hz timer interrupt routine:void HAL_TIM_PeriodE...

0690X000006CBdnQAG.jpg 0690X000006CBdxQAG.jpg 0690X000006CBdsQAG.jpg 0690X000006CBe2QAG.jpg
KMarci by Associate II
  • 1292 Views
  • 6 replies
  • 0 kudos