STM32 MCUs Products

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Forum Posts

STM32F303 Timer - Count Mismatch

HiIm using TIM6 on the STM32F303 MCU with clock 64 MHz and PSC 63999.If the ARR set to 65000 and in non- interrupt mode, the below code HAL_TIM_Base_Start(&htim6); HAL_Delay(500); HAL_TIM_Base_Stop(&htim6); results in CNT value of ~500 as expected.Ho...

PR.19 by Associate II
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  • 3 replies
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Resolved! STM32F103C8T6 - no DAC?

I  had started an STM32F103C8T6 project in STM32CubeIDE. Now I wanted to use a DAC to output an analog signal from an internally stored wavetable.I don't see any DAC when opening the IOC editor. Doesn't the F103 have any DACs?

stm32h745 phy

hi, i want to implement ethernet communication between two stm32 boards without using phy, but only gpio's connected by jumpers. how can i disable the phy?

Ilay2002 by Associate
  • 767 Views
  • 3 replies
  • 0 kudos

Impedance control for high speed SPI

Hello,We are a company making medical air transport containers. We use ST micro-controllers (STM32L562ZET6Q) to track, monitor and control our containers around the world.We are having issues with signal integrity between our micro-controller and our...

New batch 3MHz.jpg New batch 13MHz.jpg Old batch 13MHz.jpg
sagan by Associate
  • 2656 Views
  • 4 replies
  • 1 kudos

Resolved! STM32U599NJH6Q

Is this device in the witness protection program? Anglia cannot export the device outside the UK. Contacts for ST office in Canada are not listed. Good job. DK / Mouser list prices at 2-3x those on Anglia with 0 stock and ETA of the end of this year....

Mon2 by Senior III
  • 725 Views
  • 1 replies
  • 1 kudos

STM32L052T6Yx usb(virtual port com) to pc

I want use this mcu STM32L052T6Yx  to communicate via usb (virtual port com ) whit pc (whith linux system operativ).THE power supply of mcu is 3.3v, can I problems if i directly connect PA11 PA12 PIN  to the pc usb (common ground)? , moreover  on pin...

Combined UAC + HID functionality with STM32L452RE

Hello,I am new to the forums here! Can STM32L452RE support a combination class of HID and USB Audio Class over USB 2.0 Fullspeed?Ideally, I'd like to read and send microphone data (or any sensor data for that matter) connected to STM32L452RE over USB...

bntess by Associate
  • 924 Views
  • 1 replies
  • 0 kudos

SPI data size reducuction to 1-bit

I have a rather strange request, but I am communicating to a Digital Potentiometer (AD5227) over SPI.  The chip has 64 available positions, but can only increment or decremement its position by 1 for each clock cycle.  To increment by 1, a 1 is place...

JSext.1 by Associate II
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  • 12 replies
  • 1 kudos

STM32F 407 &&& 2 USB MASS STORAGE DEVICE

Good evening guys, I have an educational project for the USB protocol on the stm23f407 discovery board I made the project on two sensors and each sensor is written to a flash drive on a separate usb_otg_host port because the stm32f407 discovery board...