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LPBB (4) | Special files and drivers | Unix Manual Pages | :man

NAME

lpbb - parallel port I2C bit-banging interface

CONTENTS

Synopsis
Description
See Also
History
Authors

SYNOPSIS


.Cd "device iicbus"
.Cd "device iicbb"


.Cd "device lpbb"
.Cd "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

AUTHORS


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