CP2108 Quad UART Bridge

USB ID 10c4:ea71 · Silicon Labs

VendorSilicon Labs
Vendor ID10c4
Device IDea71
Windows hardware IDUSB\VID_10C4&PID_EA71
Linux modaliasusb:v10C4pEA71
Linux drivercp210x

Frequently asked questions

Which device has USB ID 10c4:ea71?

USB ID 10c4:ea71 is “CP2108 Quad UART Bridge” made by Silicon Labs (vendor ID 10c4, device ID ea71).

Which Linux driver supports CP2108 Quad UART Bridge?

In Linux kernel 6.12 the device is bound to the driver cp210x (source under drivers/usb/serial). The driver is normally loaded automatically when the device is detected.

How do I check whether CP2108 Quad UART Bridge is in my computer?

On Linux, lsusb -d 10c4:ea71 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_10C4&PID_EA71.

How do I see which driver is currently in use?

lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.

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