This is the revision A version of the Ether1 module.

Ether1 Module (Revision A)

Table of Contents

• 1. Introduction
• 2. Programming
• 3. Hardware
  • 3.1 Circuit Schematic
  • 3.2 Printed Circuit Board
• 4. Software
• 5. Issues

1. Introduction

The Ether1 module provides an interface for connecting between an Ethernet 10BaseT ethernet connection and the RoboBricks2 bus. It can use either a 28-pin PIC (e.g. PIC16F876A) or a 28-pin AVR (e.g. ATmega168) to control the ethernet chip (Microchip MCP ENC28J60.)

2. Programming

No programming yet.

3. Hardware

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

3.1 Circuit Schematic

The schematic for the Ether1 module is broken into four pieces -- front end, pic, avr, and backend.

The front end schematic is shown below:

The parts list kept in a separate file -- ether1.ptl.

3.2 Printed Circuit Board

The printed circuit board files are listed below:

ether1_back.png

The solder side layer.

ether1_front.png

The component side layer.

ether1_artwork.png

The artwork layer.

ether1.gbl

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

ether1.gtl

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

ether1.gal

The RS-274X "Gerber" artwork layer.

ether1.gml

The RS-274X "Gerber" mask layer.

ether1.drl

The "Excellon" NC drill file.

ether1.tol

The "Excellon" tool rack file.

4. Software

No firmeware yet.

5. Issues

Any fabrication issues are listed here.