1.\" $NetBSD: zsc.4,v 1.4 2017/02/17 22:24:47 christos Exp $ 2.\" 3.\" Copyright (c) 1999 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Steve C. Woodford. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd February 17, 2017 31.Dt ZSC 4 mvme68k 32.Os 33.Sh NAME 34.Nm zsc 35.Nd serial communications interface 36.Sh SYNOPSIS 37.Cd "zsc0 at pcc? ipl 4" 38.Sh DESCRIPTION 39The 40.Nm 41driver provides support for the two Z8530- 42.Tn EIA 43.Tn RS-232C 44.Pf ( Tn CCITT 45.Tn V.28 ) 46dual channel communications interfaces present on Motorola MVME147 47single board computers. 48The 49.Nm 50driver implements a convenient abstraction layer, which provides two 51channels per chip for the 52.Xr zstty 4 53driver to attach to. 54.Sh FILES 55.Bl -tag -width Pa 56.It Pa /dev/console 57.It Pa /dev/ttyZ1 58.It Pa /dev/ttyZ2 59.It Pa /dev/ttyZ3 60.El 61.Sh SEE ALSO 62.Xr mvme68k/pcc 4 , 63.Xr zstty 4 64.Sh BUGS 65Data loss is possible when using the higher bitrates on busy systems. 66