This is revision A of the EMDP2 Bus Expander and it is currently a work in progress.

EMDP2 Bus Expander (Revision A)

Table of Contents

• Introduction
• Schematics
• PCB Artwork
• Issues

Introduction

{Introduction goes here}.

Schematics

The parts list lives in a separate file.

The schematics follow:

Selected Part Data Sheets:

• 26LS31
• 26LS32
• 74LS00
• 74LS08
• 74LS30
• 74LS32
• PIC16F62x

PCB Artwork

• Artwork
• Solder Side
• Component Side
• Gerber Artwork
• Gerber Solder Side
• Gerber Component Side
• Gerber Mask for top and bottom
• Excellon Drill File
• Drill Tool File

Software

The following software is available:

expander.ucl

The µCL source code for the Expander firmware.

expander.asm

The corresponding assembly file for the Expander firmware.

expander.hex

The corresponding Intel^® hex file for the Expander firmware.

expander.lst

The corresponding listing file for the Expander hex file.

Issues

Any fabrications issues will be listed here.