03eb:2ff1 at32uc3a3 DFU bootloader

Atmel Corp.

Vendor ID
03eb
Product ID
2ff1
Combined
03eb:2ff1
Decimal
1003:12273

What is this device?

This is the USB identifier for a at32uc3a3 DFU bootloader manufactured by Atmel Corp.. The vendor ID 03eb is registered to Atmel Corp. with the USB Implementers Forum, and 2ff1 is the product ID that Atmel Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 03eb:2ff1 Atmel Corp. at32uc3a3 DFU bootloader.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 03eb:2ff1 Atmel Corp. at32uc3a3 DFU bootloader

You can filter directly with lsusb -d 03eb:2ff1, or get the full descriptor dump with lsusb -v -d 03eb:2ff1. Kernel messages from dmesg show the same pair as idVendor=03eb, idProduct=2ff1.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_03EB&PID_2FF1
USB\VID_03EB&PID_2FF1&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_03EB&PID_2FF1"

macOS

$ system_profiler SPUSBDataType
    at32uc3a3 DFU bootloader:
      Product ID: 0x2ff1
      Vendor ID: 0x03eb  (Atmel Corp.)

Driver help

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page. Atmel Corp. official support →

Raw usb.ids entry

The exact lines this page is generated from, in the upstream source file:

03eb  Atmel Corp.
	2ff1  at32uc3a3 DFU bootloader

More from Atmel Corp.