Microchip Technology PICDEM 2 Plus Manuale utente

2004 Microchip Technology Inc. DS51275B

PICDEM™2 Plus

User’s Guide

DS51275B-page ii 2004 Microchip Technology Inc.

Information contained in this publication regarding device

applications and the like is intended through suggestion only

and may be superseded by updates. It is your responsibility to

ensure that your application meets with your specifications.

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, or infringement of

patents or other intellectual property rights arising from such

use or otherwise. Use of Microchip’s products as critical

components in life support systems is not authorized except

with express written approval by Microchip. No licenses are

conveyed, implicitly or otherwise, under any intellectual

property rights.

Trademarks

The Microchip name and logo, the Microchip logo, Accuron,

dsPIC, KEELOQ, MPLAB, PIC, PICmicro, PICSTART,

PRO MATE and PowerSmart are registered trademarks of

Microchip Technology Incorporated in the U.S.A. and other

countries.

AmpLab, FilterLab, microID, MXDEV,MXLAB, PICMASTER,

SEEVAL, SmartShunt and The Embedded Control Solutions

Company are registered trademarks of Microchip Technology

Incorporated in the U.S.A.

Application Maestro, dsPICDEM, dsPICDEM.net,

dsPICworks, ECAN, ECONOMONITOR, FanSense,

FlexROM, fuzzyLAB, In-Circuit Serial Programming, ICSP,

ICEPIC, Migratable Memory, MPASM, MPLIB, MPLINK,

MPSIM, PICkit, PICDEM, PICDEM.net, PICtail, PowerCal,

PowerInfo, PowerMate, PowerTool, rfLAB, rfPIC, Select

Mode, SmartSensor, SmartTel and Total Endurance are

trademarks of Microchip Technology Incorporated in the

U.S.A. and other countries.

Serialized Quick Turn Programming (SQTP) is a service mark

of Microchip Technology Incorporated in the U.S.A.

All other trademarks mentioned herein are property of their

respective companies.

Printed on recycled paper.

Note the following details of the code protection feature on Microchip devices:

• Microchip products meet the specification contained in their particular Microchip Data Sheet.

• Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the

intended manner and under normal conditions.

• There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our

knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip's Data

Sheets. Most likely, the person doing so is engaged in theft of intellectual property.

• Microchip is willing to work with the customer who is concerned about the integrity of their code.

• Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not

mean that we are guaranteeing the product as “unbreakable.”

Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our

products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts

allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.

Microchip received ISO/TS-16949:2002 quality system certification for

its worldwide headquarters, design and wafer fabrication facilities in

Chandler andTempe,Arizona and Mountain View,California inOctober

2003.TheCompany’squalitysystemprocessesandproceduresarefor

its PICmicro®8-bit MCUs, KEELOQ®code hopping devices, Serial

EEPROMs, microperipherals, nonvolatile memory and analog

products. In addition, Microchip’s quality system for the design and

manufacture of development systems is ISO 9001:2000 certified.

PICDEM™ 2 PLUS USER’S GUIDE

2004 Microchip Technology Inc. DS51275B-page iii

Table of Contents

Chapter 1. Introduction

1.1 Welcome ........................................................................................................ 1

1.2 PICDEM 2 Plus Demonstration Board ...........................................................2

1.3 Sample Devices ............................................................................................. 3

1.4 Sample Programs ........................................................................................... 3

1.5 PICDEM 2 Plus User’s Guide .........................................................................4

1.6 Reference Documents .................................................................................... 4

Chapter 2. Getting Started

2.1 PICDEM 2 Plus as a Stand-Alone Board –

Preprogrammed Device ............................................................................ 5

2.2 PICDEM 2 Plus Used with an In-Circuit Emulator or

In-Circuit Debugger ..................................................................................6

Chapter 3. Tutorial

3.1 Tutorial Program Operation ............................................................................ 7

3.2 Source Code and Application Notes .............................................................. 9

Appendix A. Hardware Detail

A.1 Processor Sockets .......................................................................................11

A.2 Display .........................................................................................................11

A.3 Power Supply ............................................................................................... 11

A.4 RS-232 Serial Port .......................................................................................11

A.5 Switches ....................................................................................................... 12

A.6 Oscillator Options ......................................................................................... 12

A.7 Analog Input .................................................................................................12

A.8 ICD Connector .............................................................................................12

A.9 Temperature Sensor ....................................................................................12

A.10 Serial EEPROM .........................................................................................12

A.11 LCD ............................................................................................................ 12

A.12 Sample Devices ......................................................................................... 13

A.13 Board Layout and Schematics ...................................................................14

Index..............................................................................................................................17

Worldwide Sales and Service ....................................................................................18

PICDEM™ 2 Plus User’s Guide

DS51275B-page iv 2004 Microchip Technology Inc.

NOTES:

PICDEM™ 2 PLUS USER’S GUIDE

2004 Microchip Technology Inc. DS51275B-page 1

Chapter 1. Introduction

1.1 WELCOME

Thank you for purchasing the PICDEM 2 Plus demonstration board from Microchip

Technology Incorporated. The PICDEM 2 Plus is a simple board which demonstrates

the capabilities of the 18, 28 and 40-pin PIC16 and PIC18 devices.

ThePICDEM 2Pluscanbeusedstand-alonewithaprogrammedpart,withanin-circuit

emulator (e.g., MPLAB®ICE) or with an in-circuit debugger (e.g., MPLAB ICD 2).

Sample programs are provided to demonstrate the unique features of the supported

devices.

The PICDEM 2 Plus Kit comes with the following:

1. PICDEM 2 Plus Demonstration Board (Figure 1-1)

2. Sample devices

3. CD-ROM, which contains:

a) Sample programs

b) PICDEM 2 Plus Demonstration Board User’s Guide

c) Application Notes

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.

PICDEM™ 2 Plus User’s Guide

DS51275B-page 2 2004 Microchip Technology Inc.

1.2 PICDEM 2 PLUS DEMONSTRATION BOARD

The PICDEM 2 Plus demonstration board has the following hardware features:

1. 18, 28 and 40-pin DIP sockets. (Although three sockets are provided, only one

device may be used at a time.)

2. On-board +5V regulator for direct input from 9V, 100 mA AC/DC wall adapter or

9V battery, or hooks for a +5V, 100 mA regulated DC supply.

3. RS-232 socket and associated hardware for direct connection to an RS-232

interface.

4. In-Circuit Debugger (ICD) connector.

5. 5 KΩpot for devices with analog inputs.

6. Three push button switches for external stimulus and Reset.

7. Green power-on indicator LED.

8. Four red LEDs connected to PORTB.

9. Jumper J6 to disconnect LEDs from PORTB.

10. 4 MHz canned crystal oscillator.

11. Unpopulated holes provided for crystal connection.

12. 32.768 kHz crystal for Timer1 clock operation.

13. Jumper J7 to disconnect on-board RC oscillator (approximately 2 MHz).

14. 32K x 8 Serial EEPROM.

15. LCD display.

16. Piezo buzzer.

17. Prototype area for user hardware.

18. Microchip TC74 thermal sensor.

Introduction

2004 Microchip Technology Inc. DS51275B-page 3

FIGURE 1-1: PICDEM 2 PLUS HARDWARE

1.3 SAMPLE DEVICES

Two FLASH devices are included. The device types may change, but will generally

include PIC16 and PIC18 40-pin DIP devices.

1.4 SAMPLE PROGRAMS

The PICDEM 2 Plus Kit includes a CD-ROM with sample demonstration programs.

These programs may be used with the included sample devices, with an In-Circuit

Emulator (ICE) or with an In-Circuit Debugger (ICD). For each type of device (PIC16 or

PIC18), demo source code (several ASM files) and compiled code (one Hex file) are

provided.

PICDEM™ 2 Plus User’s Guide

DS51275B-page 4 2004 Microchip Technology Inc.

1.5 PICDEM 2 PLUS USER’S GUIDE

This document describes the PICDEM 2 Plus demonstration board, tutorial and

demonstration software. Detailed information on individual microcontrollers may be

found in the device’s respective data sheet. Detailed information on In-Circuit Emulator

(ICE) or In-Circuit Debugger (ICD) systems may be found in the respective tool’s user

guide.

Chapter 1: Introduction – This chapter introduces the PICDEM 2 Plus and provides a

brief description of the hardware.

Chapter 2: Getting Started – This chapter goes through a basic step-by-step process

for getting your PICDEM 2 Plus up and running as a stand-alone board or with an ICE

or ICD.

Chapter 3: Tutorial – This chapter provides a detailed description of the tutorial

program.

Appendix A: Hardware Description: This appendix describes in detail the hardware of

the PICDEM 2 Plus board.

1.6 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 web site

(www.microchip.com).

• Individual Data Sheets and Reference Manuals:

-PIC16F87X Data Sheet (DS30292)

-PIC18FXX2 Data Sheet (DS39564)

-PICmicro®Mid-Range MCU Family Reference Manual (DS33023)

-PICmicro®18C MCU Family Reference Manual (DS39500)

-TC74 Data Sheet (DS21462)

•MPLAB®IDE Simulator, Editor User’s Guide (DS51025)

•MPASM™ User’s Guide with MPLINK™ Linker and MPLIB™ Librarian (DS33014)

•PRO MATE®II User’s Guide (DS30082)

•PICSTART®Plus User’s Guide (DS51028)

•MPLAB®ICE User’s Guide (DS51159)

•MPLAB®ICD 2 Quick Start Guide (DS51268)

•Microchip Third Party Guide (DS00104)

PICDEM™ 2 PLUS USER’S GUIDE

2004 Microchip Technology Inc. DS51275B-page 5

Chapter 2. Getting Started

The PICDEM 2 Plus may be used as a stand-alone board with a preprogrammed

device, with an In-Circuit Emulator (ICE) or with an In-Circuit Debugger (ICD). For a list

of PICmicro microcontroller compatible ICEs or ICDs, please refer to the Development

Systems Ordering Guide or the Microchip Third Party Guide.

2.1 PICDEM 2 PLUS AS A STAND-ALONE BOARD –

PREPROGRAMMED DEVICE

The PICDEM 2 Plus may be demonstrated immediately by following the steps listed

below:

• Place the preprogrammed sample device in the appropriate socket on the

PICDEM 2 Plus board.

• Place a jumper on J6 (to enable the LEDs).

• Verify that the board is set up for a 4 MHz canned oscillator (i.e., no jumper on J7;

a 4 MHz oscillator in Y2; Y1, C4 and C5 are empty).

• Apply power to the PICDEM 2 Plus. For information on acceptable power sources,

see Appendix A.

To reprogram the sample device, the following will be necessary:

1. Program source code.

User source code may be used to program the device or, if this has previously

been done, the sample program may be restored from the file on the included

CD-ROM.

2. An assembler, such as MPASM™ assembler (available with MPLAB IDE), or a

compiler, such as MPLAB C18 (PIC18 devices only).

Source code must be assembled or compiled into a Hex file before it can be

programmed into the device. Microchip Technology’s MPASM assembler or

MPLAB C18 C compiler may be used. Both are compatible with MPLAB IDE.

However, other assemblers/compilers may beused.Fora list ofthesePICmicro®

MCU compatible language tools, please refer to the Microchip Third Party Guide.

3. A device programmer, such as PRO MATE®II, MPLAB®PM3(1),

PICSTART®Plus or MPLAB®ICD 2 (programmer functionality available with

MPLAB IDE v6.00 or greater).

Once the sample program is in Hex file format, a programmer may be used to

program a Flash device. Microchip Technology’s PRO MATE II device

programmer, PICSTART Plus development programmer or MPLAB ICD 2 may

be used. All are compatible with MPLAB IDE. However, other programmers may

beused. Fora listofthese PICmicroMCU compatibleprogrammers, please refer

to the Microchip Third Party Guide.

If the code protection bit(s) have not been programmed, the on-chip program

memory can be read out for verification purposes.

Note 1: The MPLAB PM3 device programmer will be available in Q2 2004. Check

the Microchip web site (www.microchip.com) for further information.

PICDEM™ 2 Plus User’s Guide

DS51275B-page 6 2004 Microchip Technology Inc.

2.2 PICDEM 2 PLUS USED WITH AN IN-CIRCUIT EMULATOR OR

IN-CIRCUIT DEBUGGER

To use PICDEM 2 Plus with an In-Circuit Emulator (ICE) or In-Circuit Debugger (ICD),

refer to the tool’s user guide for instructions on how to power-up and configure the

ICE/ICD, as well as how to connect to target boards (e.g., Figure 2-1).

FIGURE 2-1: PICDEM 2 PLUS CONNECTED TO MPLAB ICD 2 USING USB

Configure the PICDEM 2 Plus for the desired oscillator as described in Table 2-1. Refer

to the ICE/ICD user’s guide for any oscillator configuration requirements.

TABLE 2-1: OSCILLATOR SELECTION

Oscillator Selection on

PICDEM 2 Plus Modification on PICDEM 2 Plus

RC J7 installed, Y2 empty, Y1 empty

Crystal J7 removed, Y2 empty, crystal in Y1, caps in C4 and C5

Canned Oscillator J7 removed, oscillator in Y2 (Y1, C4, C5 empty)

Resonator – no internal caps J7 removed, Y2 empty, resonator in Y1, caps in C4 and C5

Resonator – with internal caps J7 removed, Y2 empty, resonator in Y1, C4 and C5 empty

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