This is the Revision A verion of the Multiplex8 Module. The status of this project is that it has been replaced by the PIC876Hub10 Module.

Multiplex8 Module (Revision A)

Table of Contents

This document is also available as a PDF document.

• 1. Introduction
• 2. Hardware
  • 2.1 Circuit Schematic
  • 2.2 Printed Circuit Board
• 3. Issues

1. Introduction

This module is used to multiplex the UART on a master module amongst 8 slave modules.

2. Hardware

The hardware consists of a circuit schematics and a printed circuit board.

2.1 Circuit Schematic

The schematic for the Multiplex8 Module is shown below:

The parts list kept in a separate file -- multiplex8.ptl.

2.2 Printed Circuit Board

multiplex8_back.png

The solder side layer.

multiplex8_front.png

The component side layer.

multiplex8_artwork.png

The artwork layer.

multiplex8.gbl

The RS-274X "Gerber" back (solder side) layer.

multiplex8.gtl

The RS-274X "Gerber" top (component side) layer.

multiplex8.gal

The RS-274X "Gerber" artwork layer.

multiplex8.drl

The "Excellon" NC drill file.

multiplex8.tol

The "Excellon" NC drill rack file.

3. Issues

Any construction issues are listed here: