Interfacing the Extended Capabilities Port Version 1.0

Disclaimer : While every effort has been made to make sure the information in this document is correct, the author can not be liable for any damages whatsoever for loss relating to this document. Use this information at your own risk.

Table of Contents

Extended Capabilities Port (ECP)
Introduction to the Extended Capabilities Port
ECP Hardware Properties
The ECP Handshake
ECP Forward Data Cycle
ECP Forward Command Cycle
ECP Reverse Data Cycle
ECP Reverse Command Cycle
EPP Handshake vs SPP Handshake
RLE - Run Length Encoding
ECP Software Registers
ECP's Extended Control Register (ECR)
ECP's Configuration Register A (cnfgA)
ECP's Configuration Register B (cnfgB)


Introduction to the Extended Capabilities Port
ECP Hardware Properties
The ECP Handshake
RLE - Run Length Encoding
ECP Software Registers


Interfacing the PC - Homepage http://www.geocities.com/SiliconValley/Bay/8302
  
Information on : Parallel Ports - SPP, EPP & ECP
Serial / RS232 Ports - UARTS 16450, 16550
Interrupts and more . . . .



"Interfacing the PC : Extended Capabilities Port" Version 1.0 - 7th January 1997
Copyright 1995-1997 Craig Peacock

Any errors, ideas, criticisms or problems please email the author cpeacock@senet.com.au