STM32 MCUs Embedded software

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USB HID issue with H743 @ 480 MHz

I'm running a USB keyboard on an H743. This works completely reliably at all CPU speeds up to and including 400MHz. However, above 400 MHz the connection is no longer reliable. Sometimes the keyboard connects perfectly and then it will work properly ...

"Built in DFU firmware"... Not working?

It is my understanding from watching this video from ST: https://www.youtube.com/watch?v=Kx7yWVi8kbUThat many STM32 chips come with a built in bootloader in ROM that can be accessed by pulling the BOOT0 pin high. However, I just took a couple of bran...

devinw by Associate II
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  • 11 replies
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Resolved! Connections for STM32L4 SPI slave

I have an STM32L433 that implements a SPI slave, it is connected to another MCU master. It is unclear from the datasheet and searches for answers whether MISO and MOSI on the slave should connect directly to MISO and MOSI on the master, or, if they s...

SidPrice by Associate III
  • 183 Views
  • 4 replies
  • 2 kudos

USBX, Detect cable disconnected.

I am running the "Ux_Device_HID_CDC_ACM" example project on a NUCLEO-H563ZI board.The example runs without issues, i can attach and remove the usb cable and the mouse connection appears and disappear.The issue is that the USB-stack does not seem to d...

Henrik76 by Associate
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  • 0 replies
  • 0 kudos