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UCYCOM(4) Device Drivers Manual UCYCOM(4)

ucycomdevice driver for Cypress CY7C63743 and CY7C64013 USB to RS232 bridges

To compile this driver into the kernel, place the following line in your kernel configuration file:

device usb
device ucom
device ucycom

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

ucycom_load="YES"

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).

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

tty(4), usb(4)

The ucycom driver first appeared in FreeBSD 5.3.

The ucycom driver and this manual page were written by Dag-Erling Smørgrav <des@FreeBSD.org>.

November 20, 2011 DragonFly-5.6.1