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

ADC + DMA Sometimes read Zeros

I am reading the data after sampling 2048 each 3 times.But is there a reason why sometimes the data is read as 0?​​The cube mx configuration and part of the code are as follows.​please help thank you

0693W00000Y8TlIQAV.jpg 0693W00000Y8Tl8QAF.jpg 0693W00000Y8Tl3QAF.jpg 0693W00000Y8TlcQAF.png
Mlee.3 by Associate
  • 344 Views
  • 1 replies
  • 0 kudos

Issue if tick rollover occurs while waiting for flash

I note in the post (from July 31, 2020 at 8:33 AM) entitled "FLASH_WaitForLastOperation CubeMx error" (here: https://community.st.com/s/question/0D53W00000EDrjiSAD/flashwaitforlastoperation-returns-error-in-stm32g070), that there is a mention of an e...

LKett.1 by Associate II
  • 1655 Views
  • 9 replies
  • 5 kudos

Finding the name of the USART handle

Hi. I am going through the STM32 Step by Step instructions, as well as going through the "Description of STM32F7 HAL and low-layer drivers" manual. I am using the STM32756-EVAL board so I have made some appropriate changes based on the pins and ports...

OIp.1 by Associate III
  • 2261 Views
  • 12 replies
  • 0 kudos

STM32H7 SPI2 unrealibe transmission of data

Hi everyone,A new issue has occur and have no idea as to why the transmission would be sometimes corrupt. I try sending the word "Hello World" as a test, however sometimes I would receieve the word but sometimes I would receivbe garage values that va...

0693W00000Y9GFGQA3.png 0693W00000Y9GFaQAN.png 0693W00000Y9GFfQAN.png 0693W00000Y9GFkQAN.png
CLeo.1 by Senior II
  • 458 Views
  • 0 replies
  • 0 kudos

hello i'm trying to make a project whit stm32f401ve and Digital Thermometer DS1621 using I2C protocol, and I have a problem whit i2c receive. here is my source code and photos of datasheet and simulation any help will be appreciated

 static const uint16_t TEMP_ADRESS = 0x48<<1; int main(void) { HAL_StatusTypeDef RETURN ; uint8_t buffer[1]; uint8_t buffer2[2]; uint16_t Val ; float temp_c ;   HAL_Init(); SystemClock_Config(); MX_GPIO_Init(); MX_I2C1_Init();   buffer[0]=0x...

0693W00000Y9DtmQAF.png 0693W00000Y9DvTQAV.png 0693W00000Y9DvnQAF.png 0693W00000Y9DvxQAF.png
SEKLAMIN by Associate II
  • 416 Views
  • 2 replies
  • 1 kudos