Skip site navigation (1)Skip section navigation (2)

FreeBSD Manual Pages

  
 
  

home | help
UCHCOM(4)	       FreeBSD Kernel Interfaces Manual		     UCHCOM(4)

NAME
     uchcom -- WinChipHead CH341/CH340 serial adapter driver

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

	   device usb
	   device ucom
	   device uchcom

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

	   uchcom_load="YES"

DESCRIPTION
     The uchcom	driver provides	support	for the	WinChipHead CH341/CH340	USB-
     to-RS-232 Bridge chip.

     The device	is accessed through the	ucom(4)	driver which makes it behave
     like a tty(4).

HARDWARE
     The uchcom	driver supports	the following adapters:

     +o	 HL USB-RS232

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 uchcom	driver first appeared in NetBSD.  The first FreeBSD release to
     include it	was FreeBSD 8.0.

BUGS
     Actually, this chip seems unable to drive other than 8 data bits and 1
     stop bit line.

FreeBSD	Ports 11.2		April 26, 2017		    FreeBSD Ports 11.2

NAME | SYNOPSIS | DESCRIPTION | HARDWARE | FILES | SEE ALSO | HISTORY | BUGS

Want to link to this manual page? Use this URL:
<https://www.freebsd.org/cgi/man.cgi?query=uchcom&manpath=FreeBSD+12.0-RELEASE+and+Ports>

home | help