uslcom(4)

uslcom4

Silicon laboratories cp210x based usb serial adapter

Usage

uslcom* at uhub? ucom* at uslcom?

Overview

The uslcom driver supports Silicon Laboratories CP2101/CP2102/CP2103/CP2104/CP2105/CP2108 based serial adapters.

The CP2101/CP2102/CP2103 devices only support a variety of baud rates up to 921600. CP2104, CP2105 and CP2108 devices support any baud rate up to 2 Mbps.

The following devices should work with the uslcom driver:

Aerocomm Radio
Argussoft ISP
Aruba Networks USB-to-UART
Baltech card reader
Burnside Telecom Desktop Mobile
chip45.com Crumb128 module
Clipsal 5500PCU C-Bus
Dynastream ANT2USB
Elan Digital Systems USBscope50
Elan Digital Systems USBwave12
Elan Digital Systems USBpulse100
Elan Digital Systems USBcount50
Enfora EDG1228
Gemalto Prox-PU/CU Smartcard Readers
IRZ MC35pu GSM Terminal
Jablotron PC-60B
Juniper SRX 300/320/340/345/550M/1500 USB console
Lipowsky Baby-JTAG
Lipowsky Baby-LIN
Lipowsky HARP-1
MobiData GPRS Modem
Pololu USB to Serial
Ruckus ICX 7150 USB console
SPORTident BSM7-D-USB
Tracient RFID
Track Systems Traqmate
West Mountain Radio RIGblaster P&P
West Mountain Radio RIGtalk

Releases

42 releases since OpenBSD 4.0; the text changed 10 times.

  1. 4.0
  2. 4.1
  3. 4.2
  4. 4.3
  5. 4.4–5.2
  6. 5.3
  7. 5.4–5.9
  8. 6.0–6.1
  9. 6.2–6.5
  10. 6.6–7.0
  11. 7.1–8.0

History

The uslcom device driver first appeared in OpenBSD 4.0.

Authors

The uslcom driver was written by Jonathan Gray ⟨[email protected]⟩.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.