.\" $NetBSD: zsc.4,v 1.4 2017/02/17 22:24:47 christos Exp $
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.\" Copyright (c) 1999 The NetBSD Foundation, Inc.
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.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Steve C. Woodford.
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.Dd February 17, 2017
.Dt ZSC 4 mvme68k
.Os
.Sh NAME
.Nm zsc
.Nd serial communications interface
.Sh SYNOPSIS
.Cd "zsc0 at pcc? ipl 4"
.Sh DESCRIPTION
The
.Nm
driver provides support for the two Z8530-
.Tn EIA
.Tn RS-232C
.Pf ( Tn CCITT
.Tn V.28 )
dual channel communications interfaces present on Motorola MVME147
single board computers.
The
.Nm
driver implements a convenient abstraction layer, which provides two
channels per chip for the
.Xr zstty 4
driver to attach to.
.Sh FILES
.Bl -tag -width Pa
.It Pa /dev/console
.It Pa /dev/ttyZ1
.It Pa /dev/ttyZ2
.It Pa /dev/ttyZ3
.El
.Sh SEE ALSO
.Xr mvme68k/pcc 4 ,
.Xr zstty 4
.Sh BUGS
Data loss is possible when using the higher bitrates on busy systems.