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diff --git a/share/man/man4/lpbb.4 b/share/man/man4/lpbb.4 new file mode 100644 index 000000000000..77e70c57b118 --- /dev/null +++ b/share/man/man4/lpbb.4 @@ -0,0 +1,80 @@ +.\" Copyright (c) 1998, Nicolas Souchu +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd October 25, 1998 +.Dt LPBB 4 +.Os +.Sh NAME +.Nm lpbb +.Nd parallel port I2C bit-banging interface +.Sh SYNOPSIS +.Cd "device iicbus" +.Cd "device iicbb" +.Pp +.Cd "device lpbb" +.Cd "device iic" +.Sh DESCRIPTION +The +.Em lpbb +driver supports the Philips official I2C parallel bit-banging interface. +.Pp +.Bd -literal + + LS05 pin 14 (Vcc) o ------- + | | | + +--+--+---------------------+--+--+------------+------+-o 1 | + | | | | | | ===.1uF | +5V | + -------- [R][R][R] 3x10K 3x10K [R][R][R] LS05 | | | + | | | | | | | | pin 7 o-+------+-o 2 | + | 12 o-+--+ | | 3|\\ 4 | | | (Gnd) | GND | + | 17 o-+-----|--|----| >o-------------+--|--|--------------+ | | + | | | | |/ 8 /|9 | | 10 /|11 +----+-o 3 | + | 15 o-+-----+--|--------------o< |------+--|------o< |----+ | SCL | + | | | 1|\\ 2 \\| | \\| | | + | 9 o-+--------|----| >o-------------------+--------------+----+-o 4 | + | | | |/ 6 /|5 | | SDA | + | 11 o-+--------+----------------------------------o< |----+ ------- + | 10 o-+-+ \\| 4-pin + | 13 o-+-+--oGND Connector + | 25 o-+-+ ------------------ Part List -------------------------- + -------- | 1 - .1 uF capacitor | 6 - 10K 5% resistors | + 25-pin male D | 1 - 4-pin connector | 1 - 25-pin male D connector | + connector to PC | 1 - 74LS05 open collector hex inverter | + printer port ------------------------------------------------------- +.Ed +.Sh SEE ALSO +.Xr iicbb 4 , +.Xr iicbus 4 , +.Xr ppbus 4 +.Sh HISTORY +The +.Nm +manual page first appeared in +.Fx 3.0 . +.Sh AUTHORS +This +manual page was written by +.An Nicolas Souchu . |