STM32 MCUs Products

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Resolved! STM32L476 OPAMP is not working as expected

Hi,I am using an STM32L476 on Nucleo64 board, I am amplifying a 1MHz 200mVpp sine wave with a 100mV offset in order to try the OPAMP but I dont think it is working. I configured OPAMP in PGA not connected mode(Also tried PGA connected too) and gave i...

Stm325_0-1742476994977.png Stm325_1-1742477009544.png PGA2_CON.PNG
Stm325 by Associate III
  • 163 Views
  • 1 replies
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Resolved! ADC different channel, same value

    I am just wondering how it is possible that 3 adc gave me the very same value, if I change the channel and their rank are different.   Thanks for all.   

carlesls2_3-1742472404962.png carlesls2_4-1742472418135.png carlesls2_5-1742472436041.png
carlesls2 by Associate III
  • 222 Views
  • 4 replies
  • 1 kudos

Resolved! ADC1_IN16 (no mode)

I begin a new project I want to use the PA12 as a ADC input. But the pin is orange and I am unable to activate the mode or channel of the ADC.What is the explanation behind it? How do you explain it?Thanks a lot to all. 

carlesls2_0-1742466439720.png carlesls2_1-1742466529049.png
carlesls2 by Associate III
  • 151 Views
  • 2 replies
  • 1 kudos

STM32L476 Changing VRef for ADC precision

Hi I want to sample low voltage signals with STM32L476 so I figured it would be a good option to reduce reference voltage and I found this part in the MCU datasheet: Now I am using ADC in dual mode and sampling 8 bit so it is not too precise for low ...

Stm325_0-1742410285083.png Stm325_1-1742410285211.png
Stm325 by Associate III
  • 200 Views
  • 5 replies
  • 0 kudos

adding CMSIS-DSP library to stm32h743

hi,I want to use CMSIS-DSp library in my stm32h743 project. the project contain USb MSC device also.After adding the library to project i am getting 5 errors, which I am listing below,11:56:50 **** Build of configuration Debug for project DIN_MAIN_V3...

ykn by Senior
  • 132 Views
  • 1 replies
  • 0 kudos

Resolved! Abnormal GPIO Operating Frequency on STM32H743IIT6

Dear Support Team,I am encountering an unexpected issue with my STM32H743IIT6 microcontroller where the GPIO operation frequency observed via an oscilloscope is only ​16.6 MHz, despite configuring the ​bus clock at 400 MHz and ​AHB clock at 200 MHz. ...

nhong by Associate
  • 241 Views
  • 2 replies
  • 2 kudos