GPIODM-KPLCD Microchip Technology, GPIODM-KPLCD Datasheet - Page 3

• Manufacturer Part Number: GPIODM-KPLCD
• Description: BOARD DEMO LCD GPIO EXP KEYPAD
• Manufacturer: Microchip Technology

Specifications of GPIODM-KPLCD

• Main Purpose: Interface, Front Panel Controller, LCD
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: MCP23008, MCP23S08, MCP23017, MCP23S17, PIC18F4550, MCP1702
• Primary Attributes: (2) 8-Bit and (2) 16-Bit GPIO Expanders, 4x4 Keypad, 2x16 LCD
• Secondary Attributes: Headers for the MCP23x08 and MCP23x17
• Silicon Manufacturer: Microchip
• Core Architecture: PIC
• Core Sub-architecture: PIC18
• Features: SPI And I2C Buses, Keypad And LCD Interface, ICSP Header
• Kit Contents: Board
• Silicon Core Number: PIC18F
• Silicon Family Name: PIC18F4xxx
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• For Use With: MCP23S08/17, MCP23008/17
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Not applicable / Not applicable

Preface ........................................................................................................................... 1
Chapter 1. Product Overview ....................................................................................... 5
Chapter 2. Installation and Operation ......................................................................... 7
Appendix A. Schematics and Board Layouts ........................................................... 15
Appendix B. Bill Of Materials (BOM) ......................................................................... 21
Worldwide Sales and Service .................................................................................... 24
© 2006 Microchip Technology Inc.
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
1.1 Introduction ..................................................................................................... 5
1.2 What is the GPIO Expander Keypad and LCD Demo Board? ....................... 5
1.3 What The GPIO Expander Keypad and LCD Demo Board Kit Includes ........ 5
2.1 Introduction ..................................................................................................... 7
2.2 Features ......................................................................................................... 7
2.3 Getting Started ............................................................................................... 8
2.4 GPIO Expander Keypad and LCD Demo Board Description ......................... 9
2.5 Firmware Description ................................................................................... 10
A.1 Introduction .................................................................................................. 15
A.2 Board Schematic - Page 1 ......................................................................... 16
A.3 Board Schematic - Page 2 ......................................................................... 17
A.4 Board Schematic - Page 3 ......................................................................... 18
A.5 Board - Top Layer (with Silk screen) .......................................................... 19
A.6 Board - Bottom Layer ................................................................................. 19
Table of Contents
GPIO EXPANDER KEYPAD
AND LCD DEMO BOARD
USER’S GUIDE
DS51636A-page iii