ucycom(4)

ucycom4

Cypress microcontroller based usb serial adapter

Usage

ucycom* at uhidev? ucom* at ucycom?

Overview

The ucycom driver supports usb(4) serial devices based on Cypress microcontrollers. The following adapters are supported:

Various low-cost USB-RS232 adapters
DeLorme Earthmate GPS receiver

The driver acts as a bridge between uhidev(4) and the ucom(4) driver which makes it behave like a tty(4).

Releases

42 releases since OpenBSD 4.0; the text changed 4 times.

  1. 4.0
  2. 4.1
  3. 4.2–4.3
  4. 4.4–6.3
  5. 6.4–8.0

History

The ucycom driver appeared in NetBSD and later in OpenBSD 4.0.

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