uchcom(4)

uchcom4

Winchiphead ch9102/343/341/340 based usb serial adapter

Usage

uchcom* at uhub? ucom* at uchcom?

Overview

The uchcom driver supports WinChipHead CH9102/343/341/340 serial devices.

The CH341/340 devices only support a variety of baud rates up to 921600. CH9102/343 devices support any baud rate up to 6 Mbps.

Releases

39 releases since OpenBSD 4.3; the text changed 2 times.

  1. 4.3–5.3
  2. 5.4–7.5
  3. 7.6–8.0

History

The uchcom device driver first appeared in OpenBSD 4.3.

Authors

The uchcom driver was written by Takuya SHIOZAKI ⟨[email protected]⟩ and ported to OpenBSD 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.