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Table of contents


The objective

The approach

The parallel port (1)

The parallel port (2)

The parallel port interface

The Data port

The Status port

The Control port

More about the parallel port

The circuit (1)

The circuit (2)

The circuit layout

An I/O driver for the lp_led device

Main I/O driver characteristics

Steps to be performed (1)

Steps to be performed (2)

Author: D. P. Bovet, M. Cesati, V. Garofalo



Further information:
GNU Free Documentation License