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