STM32 MCUs products

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STM32: To achieve high speed over usb2.0 @60Mhz

Hello Team,I have developed a custom board having external PHY to drive USB in HS mode. The board consist of STM32h743zit6 controller and PHY from microchip USB3320C driven by an external clock of 52 Mhz.Although the configuration has setup using CDC...

STM32H723 ULPI compatible devices

Hi All.This is my first post here.I am in process of developing a device with STM32H723(100pin) which must have USB HS device functionality.I found a number of different HS ULPI PHY chips like USB330, USB3320C, FUSB2805MLX etc.During searching info a...


Resolved! USB host on STM32L475 board with FATFS

Hi! Hope everyone are doing well! I currently encounter a problem and can't solve it. I want to write some pieces of data into a file in a usb-disk and now the Appli_state is constantly idle even I connect the USB-Disk already.This is a test demo cod...

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ZZY by Associate II
  • 5 replies
  • 0 kudos

FatFs unrealiable under high load on STM32H743

Hello,I am using a STM32H743 with a W25Q128 external flash memory running FreeRTOS and FatFs. USB is configured for mass storage, to copy files from a computer to the flash memory. The following function is used to list all the files and directories ...

JP_ama by Associate III
  • 20 replies
  • 2 kudos


Hello, I see this in Errata es0334-stm32f76xxx."Host packet transmission may hang when connecting through a hub to a low-speed device"When the USB on-the-go full-speed peripheral connects to a low-speed device via a hub, the transmitter internalstate...

Shinoy by Associate II
  • 1 replies
  • 0 kudos