04d8:000a CDC RS-232 Emulation Demo

Microchip Technology, Inc.

Vendor ID
04d8
Product ID
000a
Combined
04d8:000a
Decimal
1240:10

What is this device?

This is the USB identifier for a CDC RS-232 Emulation Demo manufactured by Microchip Technology, Inc.. The vendor ID 04d8 is registered to Microchip Technology, Inc. with the USB Implementers Forum, and 000a is the product ID that Microchip Technology, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 04d8:000a Microchip Technology, Inc. CDC RS-232 Emulation Demo.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 04d8:000a Microchip Technology, Inc. CDC RS-232 Emulation Demo

You can filter directly with lsusb -d 04d8:000a, or get the full descriptor dump with lsusb -v -d 04d8:000a. Kernel messages from dmesg show the same pair as idVendor=04d8, idProduct=000a.

Windows

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

USB\VID_04D8&PID_000A
USB\VID_04D8&PID_000A&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04D8&PID_000A"

macOS

$ system_profiler SPUSBDataType
    CDC RS-232 Emulation Demo:
      Product ID: 0x000a
      Vendor ID: 0x04d8  (Microchip Technology, Inc.)

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.

Raw usb.ids entry

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

04d8  Microchip Technology, Inc.
	000a  CDC RS-232 Emulation Demo

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