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:

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>.