Freescale EVBQE128 User Guide

EVBQE128

Evaluation Board

for Freescale
Flexis QE128

User’s Manual

EVBQE128

Evaluation Board

for Freescale

Flexis QE128 Microcontrollers

(80-Pin LQFP)

User’s Manual

Revision 1.1

Copyright © 2007 SofTec Microsystems

DC01355

®

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This product as shipped from the factory has been verified to meet with requirements
FCC as a CLASS A product.

This product is designed and intended for use as a development platform for hardware or
software in an educational or professional laboratory.

In a domestic environment, this product may cause radio interference in which case the
user may be required to take adequate prevention measures.

Attaching additional wiring to this product or modifying the product operation from the
factory default as shipped may effect its performance and cause interference with other
apparatus in the immediate vicinity. If such interference is detected, suitable mitigating
measures should be taken.

Contents

1 Introduction 5

1.1 Overview 5

1.2 Package Contents 5

1.3 Supported Devices 5

1.4 Recommended Reading 5

2 Hardware Features 7

2.1 Evaluation Board Features 7

2.2 microDART Interface 8

2.2.1 Hot Plug-In 9

3 Software Setup 11

3.1 Overview 11

3.2 Host System Requirements 11

3.3 Installing CodeWarrior Development Studio 11

4 Hardware Setup 13

4.1 First Connection 13

5 Operating Modes 17

5.1 Overview 17

5.2 Standalone Mode 17

5.3 Host Mode 18

EVBQE128 User's Manual

6 Application Tutorial 19

6.1 Overview 19

6.2 MC9S08QE128 Step-by-Step Tutorial 19

6.3 Converting the Example for the MCF51QE128 20

6.4 Additional Examples 21

7 Hot Plug-In 23

7.1 Overview 23

7.2 How to Enable Hot Plug-In 23

8 Jumper and Connector Settings 25

8.1 Jumpers 25

8.2 Connectors 28

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Contents

9 Troubleshooting 31

9.1 USB Driver Problems 31

9.2 Communication Problems between the PC and the Demo Board 31

9.3 Problems with RS-232 Communication 31

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EVBQE128 User's Manual

1 Introduction

1.1 Overview

The EVBQE128 Evaluation Board has been designed for the evaluation, demonstration and
debugging of the Freescale Flexis QE128 Microcontrollers (MC9S08QE128 and
MCF51QE128).

The EVBQE128 can be used as a standalone application or can be controlled by a host PC
via its built-in microDART™ interface.

1.2 Package Contents

The EVBQE128 package includes the following items:

 The EVBQE128 evaluation board;

 80-pin LQFP MC9S08QE128 and MCF51QE128 microcontrollers;

 A USB cable;

 A pick-up vacuum pump;

 A universal, 12 V DC power supply;

 System software DVD-ROM, including CodeWarrior™ Development Studio;

 A Quick Start Guide sheet.

1.3 Supported Devices

The EVBQE128 Evaluation Board supports the following devices:

 MC9S08QE128;

 MCF51QE128;

 And any other pin-to-pin compatible devices.

1.4 Recommended Reading

 Freescale microcontroller-specific datasheets and application notes;

 EVBQE128 Schematic.

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EVBQE128 User's Manual

2 Hardware Features

2.1 Evaluation Board Features

The EVBQE128 board features:

1. An “MCU” section containing:

 An 80-pin LQFP socket accepting either the MC9S08QE128 or the MCF51QE128

microcontroller;

 A crystal oscillator, a provision for a clock module, a provision for a connector for

providing an external clock source, together with jumpers to select the clock
source;

 A BDM connector for in-circuit debugging/programming with an external

instrument;

 A female header connectors with all of the MCU signals.

2. A power supply section containing:

 A 12 V DC barrel input connector (2.1 mm);

 A four-way micro terminal block for providing specific power supplies and voltage

references to the microcontroller;

 A jumper to select the power supply source (USB bus or barrel connector);

 A power on/off switch.

3. A built-in “microDART INTERFACE” section (with the main circuitry mounted on the
back of the board) which allows the host PC to communicate with the microcontroller
through a standard USB interface. Jumpers are present to configure this module.
Thanks to the microDART in-circuit debugging firmware, BDM commands are sent to
the target microcontroller through the USB bus. Additionally, a virtual COM port is
automatically available over the same USB connection. This virtual COM port can be
used by standard terminal programs, like HyperTerminal, to send/receive serial
characters to/from the target microcontroller.

4. An “I/O” section containing:

 A Reset push-button;

 Four additional push-button;

 One potentiometer;

 Eight dip-switches;

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Hardware Features

 A piezoelectric buzzer;

 A light sensor;

 A temperature sensor;

 Ten user LEDs;

 A circuitry for driving and external LCD;

 A series of jumpers to connect/disconnect the above controls to/from the

microcontroller.

5. An “RS-232” section containing two RS-232 connectors together with a jumper to enable
the RS-232 communication.

6. A “SERIAL SETTINGS” section containing jumpers to select communication options.

7. A prototype area.

5

6

3 4

The EVBQE128 Evaluation Board

1 2

7

2.2 microDART Interface

Thanks to the microDART in-circuit debugging firmware, CodeWarrior can send BDM
commands to the target microcontroller through the USB bus.

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EVBQE128 User's Manual

Additionally, when you plug the USB cable into the PC, a “virtual” COM port is automatically
created and, through this port, serial data can be transferred to/from the target microcontroller.
In other words, a terminal application such as HyperTerminal is able to use the virtual COM
port as if it were a normal COM port and send and receive characters normally.

This serial communication and BDM communication work simultaneously: CodeWarrior can be
used to work with the target microcontroller while HyperTerminal sends and receives
characters.

2.2.1 Hot Plug-In

The “Hot Plug-In” feature gives you the possibility to connect to a target microcontroller that is
running an application and to trace and debug the current running code without the need of a
complete erase and re-program of the flash memory.

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