Provided by: freebsd-manpages_12.2-2_all
NAME
ucycom — device driver for Cypress CY7C63743 and CY7C64013 USB to RS232 bridges
SYNOPSIS
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"
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).
HARDWARE
The ucycom driver currently supports the following devices which incorporate Cypress USB to RS232 bridge chips: • DeLorme Earthmate USB GPS receiver
FILES
/dev/ttyU* for callin ports /dev/ttyU*.init /dev/ttyU*.lock corresponding callin initial-state and lock-state devices /dev/cuaU* for callout ports /dev/cuaU*.init /dev/cuaU*.lock corresponding callout initial-state and lock-state devices
SEE ALSO
tty(4), ucom(4), usb(4)
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>.