Microchip Technology MCP2120 User manual

2001 Microchip Technology Inc. DS51246A
Information contained in this publication regarding device applications and the like is intended by way of suggestion
only. No representation or warranty is given and no liability is assumed by Microchip Technology Incorporated with
respect to the accuracy or use of such information. Use of Microchip’s products as critical components in life support
systems is not authorized except with express written approval by Microchip.
 2001 Microchip Technology Incorporated. All rights reserved.
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trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. microID, and Smart Serial are
trademarks of Microchip Technology in the U.S.A. and other countries.
All product/company trademarks mentioned herein are the property of their respective companies.
MCP2120/MCP2150
DEVELOPER’S KIT USER’S GUIDE

MCP2120/2150 User’s Guide
DS51246A 2001 Microchip Technology Inc.
NOTES:

12 MCP2120/MCP2150
USER’S GUIDE
Table of Contents
2001 Microchip Technology Inc. DS51246A-page iii
Chapter 1. Introduction
1.1 Welcome ......................................................................................... 1
1.2 MCP2120/MCP2150 Developer’s Kit User’s Guide ........................ 2
1.3 Sample Devices .............................................................................. 3
1.4 Reference Documents .................................................................... 3
1.5 Other Related Documents .............................................................. 3
Chapter 2. Getting Started
2.1 Introduction ..................................................................................... 5
2.2 Highlights ........................................................................................ 5
2.3 Developer Board Features .............................................................. 6
2.4 System Configurations .................................................................. 17
2.5 PC Requirements ......................................................................... 20
Chapter 3. MCP2120 Tutorial
3.1 Introduction ................................................................................... 21
3.2 Highlights ...................................................................................... 21
3.3 MCP2120 Tutorial Setup .............................................................. 21
3.4 Hardware Setup ............................................................................ 22
3.5 Setting Up the Terminal Program ................................................. 25
3.6 Transmitting/Receiving Data ......................................................... 35
Chapter 4. MCP2150 Tutorial
4.1 Introduction ................................................................................... 39
4.2 Highlights ...................................................................................... 39
4.3 MCP2150 Tutorial ......................................................................... 39
Chapter 5. Using a PICDEM™ 1 or PICDEM™ 2 Board as Host
5.1 Using the PICDEM 1 Board .......................................................... 41
5.2 Using the PICDEM 2 Board .......................................................... 43

MCP2120/MCP2150 USER’S GUIDE
DS51246A-page iv 2001 Microchip Technology Inc.
Appendix A. Hardware Detail
A.1 Power Supply ................................................................................45
A.2 Power Indicator .............................................................................45
A.3 RS-232 Serial Port ........................................................................45
A.4 Jumpers ........................................................................................46
A.5 Oscillator Options ..........................................................................48
A.6 Board Layout .................................................................................49
A.7 Schematics ....................................................................................50
Revision History ........................................................................................ 53
Index .......................................................................................................... 55
Worldwide Sales and Service ...................................................................... 0

2001 Microchip Technology Inc. DS51246A-page 1
MCP2120/MCP2150
USER’S GUIDE
12
Chapter 1. Introduction
1.1 Welcome
Thank you for purchasing the MCP2120/MCP2150 Developer’s Kit from
Microchip Technology Inc. The MCP2120/MCP2150 Developer’s Kit
demonstrates the capabilities of the MCP2120 and MCP2150 infrared
communication products.
The MCP2120 Developer’s Board and the MCP2150 Developer’s Board can
be connected to either a PC via the DB9 connector, or to another system
(such as a PICDEM 2 board) via the four pin header.
The MCP2120/MCP2150 Developer’s Kit comes with the following:
1. Two MCP2120 Developer Boards.
2. One MCP2150 Developer Board.
3. Two serial cables.
4. One 9V power supply, with power cord.
5. One pair 18” (45 cm) power jumper cables.
6. Sample kit (one MCP2120 device and one MCP2150 device)–Not
shown.
7. MCP2120/MCP2150 Developer’s Kit User’s Guide (This document)–Not
shown.
If you are missing any part of the kit, please contact your nearest Microchip
sales office listed in the back of this publication for help.
Figure 1.1: MCP2120/MCP2150 Developer’s Kit
4
1
2
3
1
3
2
4
5

MCP2120/MCP2150 USER’S GUIDE
DS51246A-page 2 2001 Microchip Technology Inc.
1.2 MCP2120/MCP2150 Developer’s Kit User’s Guide
This document describes the MCP2120/MCP2150 Developer’s Kit and
tutorials, giving the user a brief overview of Microchip’s MCP2120 and
MCP2150 family of infrared communication products. Detailed information on
the individual device may be found in the device’s respective data sheet.
Detailed information on the PICDEM 2 development board may be found in
the PICDEM 2 User’s Guide (DS30374).
Chapter 1: Introduction – This chapter introduces the MCP2120/MCP2150
Developer’s Kit, lists the components in the kit, and lists related
documentation.
Chapter 2: Getting Started – This chapter gives an overview of the MCP2120
and MCP2150 Developer’s Boards, the hardware features of each
Developer’s Board, the system configurations that can be used to
demonstrate the MCP2120 and MCP2150 devices, and the PC requirements.
Chapter 3: MCP2120 Tutorial – This chapter provides a detailed description
of the steps to get the MCP2120 Developer’s board operating. These steps
include the configuration of the Developer’s boards and the Terminal
Emulation program (Hyperterminal) used on the PC.
Chapter 4: MCP2150 Tutorial – This chapter provides a detailed description
of the steps to get the MCP2150 Developer’s board operating. These steps
include the configuration of the Developer’s boards, the Terminal Emulation
program (Hyperterminal) used on the PC, and the installation and
configuration of the PC IrDA standard drivers.
Chapter 5: Using PICDEM 1 or PICDEM 2 Board as Host. This chapter
discusses the use of the PICDEM boards as a demonstration platform as a
Host Controller for an MCP2120 Developer’s Board or an MCP2150
Developer’s Board. This chapter makes reference to Application Notes which
contain demonstration code.
Appendix A: Hardware Description: This appendix describes in detail the
hardware of the MCP2120 Developer’s board and MCP2150 Developer’s
board. This includes the component layout of each board (silkscreen) and the
schematic of each board.
Revision History: This covers the major changes to the document between
the revisions.
Index: This lists the pages where major topics are located.

2001 Microchip Technology Inc. DS51246A-page 3
Introduction
1.3 Sample Devices
Each kit comes with one MCP2120 device and one MCP2150 device. This
allows a prototype system to be developed that can be used with an
MCP2120 Developer’s Board or an MCP2150 Developer’s Board.
1.4 Reference Documents
Reference documents may be obtained by contacting your nearest Microchip
sales office (listed in the back of this document) or by downloading via the
Microchip website (www.microchip.com).
• MCP2120 Data Sheet, DS21618
• MCP2150 Data Sheet, DS21655
• AN756, “Using the MCP2120 for Infrared Communication”, DS00756
• AN758, “Using the MCP2150 to Add IrDA®Standard Wireless Connec-
tivity”, DS00758
• TB046, “Connecting the MCP2150 to the Psion Operating System”,
DS91046
• TB047, “Connecting the MCP2150 to the Windows®CE Operating Sys-
tem”, DS91047
• TB048, “Connecting the MCP2150 to the Windows®Operating Sys-
tem”, DS91048
• TB049, “Connecting the MCP2150 to the Palm™ Operating System”,
DS91049
1.5 Other Related Documents
• MPASM User’s Guide with MPLINK™ Linker and MPLIB™ Library,
DS33014
•PROMATE
® II User’s Guide, DS30082
•PICSTART
®Plus User’s Guide, DS51028
• MPLAB®ICE User’s Guide, DS51159
• MPLAB®ICD User’s Guide, DS51184
• Microchip’s Third Party Guide, DS00104
IrDA is a registered trademark of the Infrared Data Association.

MCP2120/MCP2150 USER’S GUIDE
DS51246A-page 4 2001 Microchip Technology Inc.
NOTES:

2001 Microchip Technology Inc. DS51246A-page 5
MCP2120/MCP2150
USER’S GUIDE
12
Chapter 2. Getting Started
2.1 Introduction
This chapter covers an overview of the MCP2120 and MCP2150 Developer’s
Boards features, the system configurations that they can be used in, and the
system requirements for the tutorials.
2.2 Highlights
Topics covered in this chapter
• MCP2120 Developer’s Board
• MCP2150 Developer’s Board
• System Configurations
• PC Requirements

MCP2120/MCP2150 USER’S GUIDE
DS51246A-page 6 2001 Microchip Technology Inc.
2.3 Developer Board Features
2.3.1. MCP2120 Developer’s Board
The MCP2120 Developer’s Board, as shown in Figure 2.1, has the following
hardware features:
1. On-board +5V regulator for direct input from 9V, 750 mA AC/DC wall
adapter or 9V battery.
2. Hooks for a +5V, 750 mA regulated DC supply.
3. DB-9 connector and associated hardware for direct connection to
MCP2120 UART (DB-9 interface requires RS-232 signal levels).
4. Four-pin header connection to UART interface (Header requires TTL
level signals).
5. Two jumpers to select source of UART signals. Either DB-9 connector or
the four-pin header.
6. Three jumpers to select desired baud rate.
7. Green power-on indicator LED.
8. Two IR Transceiver options (two jumpers select transceiver).
9. Jumper to disable MCP2120 device operation.
10. Hardware and Software Baud selection.
11. Jumper for Software Baud control when using RS-232C interface.
12. Socketed crystal.
Note: A schematic of the MCP2120 Developer’s Board is shown in
Figure A.5