---
name: "ucycom"
section: "4"
platform: "linux"
package: "freebsd-manpages"
version: "6.0-5"
release: "Debian 4.0 (Etch)"
platforms: ["linux", "freebsd", "openbsd"]
url: "https://new.carta.tech/ucycom"
---

# ucycom(4)

device driver for Cypress CY7C63743 and CY7C64013 USB to RS232 bridges

## NAME

**ucycom** – device driver for Cypress CY7C63743 and CY7C64013 USB to RS232 bridges

## SYNOPSIS

**device ucycom**

## HARDWARE

The **ucycom** driver currently supports the following devices which incorporate Cypress USB to RS232 bridge chips:

- DeLorme Earthmate USB GPS receiver

## DESCRIPTION

The **ucycom** driver provides support for the Cypress CY7C63743 and CY7C64013 bridge chips. These chips were designed to provide a low-cost transition path to USB for existing RS232 devices, and have fairly limited capabilities.

The **ucycom** driver behaves like a [tty(4)](/tty/4.md).

## SEE ALSO

[tty(4)](/tty/4.md), [usb(4)](/usb/4.md)

## HISTORY

The **ucycom** driver first appeared in FreeBSD 5.3.

## AUTHORS

The **ucycom** driver and this manual page were written by Dag-Erling Smørgrav ⟨des@FreeBSD.org⟩.