STM32 MCUs Products

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Resolved! STM32F103 Input PWM capture signal with different width

Hi, I tried to read signal from ultrasonic parking unit by capturing PWM input. Signal has one start pulse 530 Hz width (1.87 ms) and a sequence with 0 and 1 (9.942 kHz and 4,97 kHz) period between pulses sequences is about 193 ms. I use STM32F103 b...

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AlexC by Associate II
  • 453 Views
  • 4 replies
  • 4 kudos

Stm32 Octospi vs FMC for extending RAM and FLASH

I need to expand my STM32H7A3ZIT6 MCU's RAM and FLASH memories and since I am using a lot of peripherals and would like to avoid the rather complex routing process of the FMC, I am trying to keep the number of pins I am using low thus, I looked into ...

DavidL_ by Associate III
  • 426 Views
  • 3 replies
  • 1 kudos

Clear Interrupts Prior to sleep confusion

I'm working on getting the STM32G0 to stop mode. Im using WFI so it will wake on interrupt. Right now its immediately waking which is confusing me.My understanding is that I should __disable_irq() first to prevent the interrupt handlers from being ca...

Carl_G by Senior II
  • 208 Views
  • 1 replies
  • 0 kudos

STM32F446 USB host connection issues

Hi,I am using a STM32F446 as a USB high speed host. my device is connected to a USB3300 chip to control the micro usb port, which is then connected to a camera. My code works ~90% of the time, however sometimes the connection to the camera can be unr...

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