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lpbb.4freebsd

Langue: en

Version: 300523 (debian - 07/07/09)

Section: 4 (Pilotes et protocoles réseau)


BSD mandoc

NAME

lpbb - parallel port I2C bit-banging interface

SYNOPSIS

device iicbus device iicbb

device lpbb device iic

DESCRIPTION

The lpbb driver supports the Philips official I2C parallel bit-banging interface.
 
                                          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    -------------------------------------------------------
 

SEE ALSO

iicbb(4), iicbus(4), ppbus(4)

HISTORY

The manual page first appeared in Fx 3.0 .

AUTHORS

This manual page was written by An Nicolas Souchu .
Quand on ne travailleras plus le lendemain des jours de repos, la
fatigue sera vaincue.
-+- Pierre Dac -+-