User manual

MCP355X SENSOR APPLICATION
DEVELOPER’S BOARD USER’S GUIDE
© 2006 Microchip Technology Inc. DS51609A-page iii
Table of Contents
Preface ........................................................................................................................... 1
Introduction............................................................................................................ 1
Document Layout .................................................................................................. 1
Conventions Used in this Guide ............................................................................ 2
Recommended Reading........................................................................................ 2
The Microchip Web Site ........................................................................................ 3
Customer Support ................................................................................................. 3
Document Revision History ................................................................................... 3
Chapter 1. Product Overview ....................................................................................... 5
1.1 Introduction ..................................................................................................... 5
1.2 What is the MCP355X Sensor Application Developer’s Board? .................... 5
1.3 What the MCP355X Sensor Application Developer’s Board Kit Includes ...... 6
Chapter 2. Hardware Description ................................................................................ 7
2.1 Overview ........................................................................................................ 7
2.2 Sensor Input Connections .............................................................................. 8
2.3 Channel 1 - Low-Cost Differential Gain Circuit Using MCP6XX Amplifier ...... 9
2.4 Channel 2 - High-Precision Gain Circuit ....................................................... 11
2.5 Bridge Simulator Boards .............................................................................. 12
Chapter 3. Firmware Description ............................................................................... 13
3.1 Firmware Overview ...................................................................................... 13
3.2 PIC16F877 ................................................................................................... 13
3.3 PIC18F4550 ................................................................................................. 16
Chapter 4. DataView .................................................................................................... 17
4.1 Overview ...................................................................................................... 17
4.2 Scope Plot Window ...................................................................................... 17
4.3 Noise Histogram Window ............................................................................. 18
4.4 Auxiliary Data Window ................................................................................. 18
4.5 Configuring DataView ................................................................................... 19