1*86d7f5d3SJohn Marino.\" Copyright (c) 1998, Nicolas Souchu 2*86d7f5d3SJohn Marino.\" All rights reserved. 3*86d7f5d3SJohn Marino.\" 4*86d7f5d3SJohn Marino.\" Redistribution and use in source and binary forms, with or without 5*86d7f5d3SJohn Marino.\" modification, are permitted provided that the following conditions 6*86d7f5d3SJohn Marino.\" are met: 7*86d7f5d3SJohn Marino.\" 1. Redistributions of source code must retain the above copyright 8*86d7f5d3SJohn Marino.\" notice, this list of conditions and the following disclaimer. 9*86d7f5d3SJohn Marino.\" 2. Redistributions in binary form must reproduce the above copyright 10*86d7f5d3SJohn Marino.\" notice, this list of conditions and the following disclaimer in the 11*86d7f5d3SJohn Marino.\" documentation and/or other materials provided with the distribution. 12*86d7f5d3SJohn Marino.\" 13*86d7f5d3SJohn Marino.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14*86d7f5d3SJohn Marino.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15*86d7f5d3SJohn Marino.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16*86d7f5d3SJohn Marino.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17*86d7f5d3SJohn Marino.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18*86d7f5d3SJohn Marino.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19*86d7f5d3SJohn Marino.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20*86d7f5d3SJohn Marino.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21*86d7f5d3SJohn Marino.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22*86d7f5d3SJohn Marino.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23*86d7f5d3SJohn Marino.\" SUCH DAMAGE. 24*86d7f5d3SJohn Marino.\" 25*86d7f5d3SJohn Marino.\" $FreeBSD: src/share/man/man4/lpbb.4,v 1.8.2.3 2001/08/17 13:08:38 ru Exp $ 26*86d7f5d3SJohn Marino.\" $DragonFly: src/share/man/man4/lpbb.4,v 1.3 2008/05/02 02:05:05 swildner Exp $ 27*86d7f5d3SJohn Marino.\" 28*86d7f5d3SJohn Marino.Dd October 25, 1998 29*86d7f5d3SJohn Marino.Dt LPBB 4 30*86d7f5d3SJohn Marino.Os 31*86d7f5d3SJohn Marino.Sh NAME 32*86d7f5d3SJohn Marino.Nm lpbb 33*86d7f5d3SJohn Marino.Nd parallel port I2C bit-banging interface 34*86d7f5d3SJohn Marino.Sh SYNOPSIS 35*86d7f5d3SJohn Marino.Cd "device iicbus" 36*86d7f5d3SJohn Marino.Cd "device iicbb" 37*86d7f5d3SJohn Marino.Pp 38*86d7f5d3SJohn Marino.Cd "device lpbb" 39*86d7f5d3SJohn Marino.Cd "device iic" 40*86d7f5d3SJohn Marino.Sh DESCRIPTION 41*86d7f5d3SJohn MarinoThe 42*86d7f5d3SJohn Marino.Em lpbb 43*86d7f5d3SJohn Marinodriver supports the Philips official I2C parallel bit-banging interface. 44*86d7f5d3SJohn Marino.Bd -literal 45*86d7f5d3SJohn Marino 46*86d7f5d3SJohn Marino LS05 pin 14 (Vcc) o ------- 47*86d7f5d3SJohn Marino | | | 48*86d7f5d3SJohn Marino +--+--+---------------------+--+--+------------+------+-o 1 | 49*86d7f5d3SJohn Marino | | | | | | ===.1uF | +5V | 50*86d7f5d3SJohn Marino -------- [R][R][R] 3x10K 3x10K [R][R][R] LS05 | | | 51*86d7f5d3SJohn Marino | | | | | | | | pin 7 o-+------+-o 2 | 52*86d7f5d3SJohn Marino | 12 o-+--+ | | 3|\\ 4 | | | (Gnd) | GND | 53*86d7f5d3SJohn Marino | 17 o-+-----|--|----| >o-------------+--|--|--------------+ | | 54*86d7f5d3SJohn Marino | | | | |/ 8 /|9 | | 10 /|11 +----+-o 3 | 55*86d7f5d3SJohn Marino | 15 o-+-----+--|--------------o< |------+--|------o< |----+ | SCL | 56*86d7f5d3SJohn Marino | | | 1|\\ 2 \\| | \\| | | 57*86d7f5d3SJohn Marino | 9 o-+--------|----| >o-------------------+--------------+----+-o 4 | 58*86d7f5d3SJohn Marino | | | |/ 6 /|5 | | SDA | 59*86d7f5d3SJohn Marino | 11 o-+--------+----------------------------------o< |----+ ------- 60*86d7f5d3SJohn Marino | 10 o-+-+ \\| 4-pin 61*86d7f5d3SJohn Marino | 13 o-+-+--oGND Connector 62*86d7f5d3SJohn Marino | 25 o-+-+ ------------------ Part List -------------------------- 63*86d7f5d3SJohn Marino -------- | 1 - .1 uF capacitor | 6 - 10K 5% resistors | 64*86d7f5d3SJohn Marino 25-pin male D | 1 - 4-pin connector | 1 - 25-pin male D connector | 65*86d7f5d3SJohn Marino connector to PC | 1 - 74LS05 open collector hex inverter | 66*86d7f5d3SJohn Marino printer port ------------------------------------------------------- 67*86d7f5d3SJohn Marino.Ed 68*86d7f5d3SJohn Marino.Sh SEE ALSO 69*86d7f5d3SJohn Marino.Xr iicbb 4 , 70*86d7f5d3SJohn Marino.Xr iicbus 4 , 71*86d7f5d3SJohn Marino.Xr ppbus 4 72*86d7f5d3SJohn Marino.Sh HISTORY 73*86d7f5d3SJohn MarinoThe 74*86d7f5d3SJohn Marino.Nm 75*86d7f5d3SJohn Marinomanual page first appeared in 76*86d7f5d3SJohn Marino.Fx 3.0 . 77*86d7f5d3SJohn Marino.Sh AUTHORS 78*86d7f5d3SJohn MarinoThis 79*86d7f5d3SJohn Marinomanual page was written by 80*86d7f5d3SJohn Marino.An Nicolas Souchu . 81