NEC IECUBE2 Manuale utente

CUSTOMER NOTIFICATION

ZUD-CD-10-0092 (1/19)

March 19, 2010

Yoshinari Ando, Team Manager

Development Tool Solution Group

Multipurpose Microcomputer Systems Division

Microcomputer Operations Unit

NEC Electronics Corporation

User’s Manual（Preliminary）

IECUBE2 main (QB-V850E2)

In-Circuit Emulator

Target Devices

V850E2M microcontroller

User’s Manual（Preliminary） IECUBE2 main (QB-V850E2) ZUD-CD-10-0092 2/19

Contents

INTRODUCTION ........................................................................................................................................5

CHAPTER 1 GENERAL.......................................................................................................................7

1.1 Hardware Specifications..............................................................................................................8

1.2 System Overview.........................................................................................................................8

1.3 Functional Overview....................................................................................................................9

1.3.1 Program execution function (real-time execution function).....................................................................9

1.3.2 Step execution function (non-real-time execution function)....................................................................9

1.3.3 Break functions (program execution stop)..............................................................................................9

1.3.4 Trace function (program execution history) ..........................................................................................11

1.3.5 Time measurement function.................................................................................................................12

1.3.6 Event function (specific CPU operation detection)................................................................................12

1.3.7 Event link function (event combinations)..............................................................................................13

1.3.8 Peripheral break function......................................................................................................................13

1.3.9 Mask function.......................................................................................................................................13

1.4 Block Overview..........................................................................................................................13

1.5 Package Contents .....................................................................................................................13

1.6 AC adaptor.................................................................................................................................14

CHAPTER 2 Names and Functions of Hardware..............................................................................15

2.1 IECUBE2 main...........................................................................................................................15

2.2 Stick for unplugging EA from POD ............................................................................................17

CHAPTER 3 NOTES .........................................................................................................................18

3.1 Note for time stamp of trace function.........................................................................................18

CHAPTER 4 LONG TERM TRACE OPTION....................................................................................19

4.1 General......................................................................................................................................19

4.2 SETUP PROCEDURE...............................................................................................................19

User’s Manual（Preliminary） IECUBE2 main (QB-V850E2) ZUD-CD-10-0092 3/19

IECUBE is a registered trademark of NEC Electronics Corporation in Japan and Germany.

Green Hills, the Green Hills logo, CodeBalance, GMART, GSTART, INTEGRITY, and MULTI are registered

trademarks of Green Hills Software, Inc. AdaMULTI, EventAnalyzer, G-Cover, GHnet, GHnetLite, Green Hills

Probe, Integrate, ISIM, PathAnalyzer, Quick Start, ResourceAnalyzer, Safety Critical Products, Slingshot,

SuperTrace Probe, TimeMachine, and TotalDeveloper are trademarks of Green Hills Software, Inc.

Windows and Windows Vista are either registered trademarks or trademarks of Microsoft Corporation in the

United States and/or other countries. PC/AT is a trademark of International Business Machines Corporation.

All other company, product, or service names mentioned in this documentation may be trademarks or

service marks of their respective owners.

March 2010

User’s Manual（Preliminary） IECUBE2 main (QB-V850E2) ZUD-CD-10-0092 4/19

1. Circumstances not covered by product guarantee

If the product was disassembled, altered, or repaired by the customer

If it was dropped, broken, or given another strong shock

Use at overvoltage, use outside guaranteed temperature range, storing outside guaranteed

temperature range

If power was turned on while the AC adapter, USB interface cable, or connection to the target

system was in an unsatisfactory state

If the cable of the AC adapter, the USB interface cable, the POD probe, or the like was bent or

pulled excessively

When using an AC adapter not supported in the region of use

If the product got wet

If this product is connected to the target system when there is a potential difference between the

GND of this product and GND of the target system.

If the connectors or cables are plugged/unplugged while this product is in the power-on state.

If excessive load is applied to the connectors or sockets.

If a metal part of the power switch, cooling fan, or another such part comes in contact with an

electrostatic charge

If the product is used or stored in an environment where it may likely be exposed to electrostatic

discharge or electrical noise

2. Safety precautions

If used for a long time, the product may become hot (50C to 60C). Be careful of low

temperature burns and other dangers due to the product becoming hot.

Be careful of electrical shock. There is a danger of electrical shock if the product is used as

described above in 1Circumstances not covered by product guarantee.

User’s Manual（Preliminary） IECUBE2 main (QB-V850E2) ZUD-CD-10-0092 5/19

INTRODUCTION

Readers This manual is intended for users who wish to perform debugging using the

QB-V850E2 (generic name: IECUBE2). The readers of this manual are assumed to

be familiar with the device functions and usage, and to have knowledge of

debuggers.

Purpose This manual is intended to give users an understanding of the basic specifications

and correct usage of the IECUBE2.

Organization This manual is divided into the following sections.

General

Names and functions of Hardware

Optional function

Notes

How to Read This Manual It is assumed that the readers of this manual have general knowledge in the fields of

electrical engineering, logic circuits, and microcontrollers.

This manual describes the basic setup procedures and how to set switches.

To understand the overall functions and usages of the IECUBE2

Read this manual in the order of the CONTENTS.

To know the manipulations, command functions, and other software-related settings

of the IECUBE2

See the user’s manual of the debugger to be used.

Conventions Note: Footnote for item marked with Note in the text

Caution: Information requiring particular attention

Remark: Supplementary information

Numeric representation: Binary ... xxxx or xxxxB

Decimal ... xxxx

Hexadecimal ... xxxxH

Prefix indicating power of 2

(address space, memory

capacity): K (kilo): 210 = 1,024

M (mega): 220 = 1,0242

User’s Manual（Preliminary） IECUBE2 main (QB-V850E2) ZUD-CD-10-0092 6/19

Terminology The meanings of the terms used in this manual are described in the table below.

Term Meaning

Target device This is the device to be emulated.

Target system This is the system to be debugged (system provided by the user).

This includes the target program and the hardware provided by

the user.

IECUBE®2 Generic name for NEC Electronics’ high-performance, compact

in-circuit emulator.

POD This is IECUBE2 peripheral to interface with the target system.

User’s Manual（Preliminary） IECUBE2 main (QB-V850E2) ZUD-CD-10-0092 7/19

CHAPTER 1 GENERAL

The IECUBE2 is an in-circuit emulator for V850E2M microcontroller.

Hardware and software can be debugged efficiently in the development of systems in which the target device is

used. This manual describes general information of IECUBE2 main unit. Please refer to user’s manual of each

POD for detail usage.

Figure 1-1. Description of external dimension

43mm

□104mm

IECUBE2 main

POD

(Sold separately)

43mm

□104mm

IECUBE2 main

POD

(Sold separately)

User’s Manual（Preliminary） IECUBE2 main (QB-V850E2) ZUD-CD-10-0092 8/19

1.1 Hardware Specifications

The following table describes hardware specifications of IECUBE2 main.

Table 1-1. IECUBE2 Hardware Specifications

Parameter Specification

Operating temperature range 0 to 40C (No condensation)

Storage temperature range 15 to 60C (No condensation)

AC adapter power consumption 15 V, 4 A

Weight Approx. 500 g

Host interface USB interface (1.1, 2.0)

9M Byte (Approx. 512K frame )Trace memory

2.25G Byte (Approx. 128M frame ) (When using long term trace option)

1.2 System Overview

The system configuration is described as below. IECUBE2 can not be used alone. POD, AC adapter and sockets

are needed to use. These are sold separately.

To use IECUBE2, refer to the user’s manual of each POD.

Figure 1-2. System Configuration

User’s Manual（Preliminary） IECUBE2 main (QB-V850E2) ZUD-CD-10-0092 9/19

1.3 Functional Overview

IECUBE2 is provided with a wealth of debug functions to enable efficient program debugging, in addition to being

used to emulate the operation of a target device. An overview of the functions is provided in this section.

Some functions are not supported, depending on the debugger to be used. See also the manual of the

debugger to be used to confirm.

1.3.1 Program execution function (real-time execution function)

The program execution function enables program execution equivalent to that of the target device. The

executed program can be stopped under various conditions by using the break functions. The operation of only a

function can be checked by executing a program, because a program can be executed from any address.

1.3.2 Step execution function (non-real-time execution function)

The step execution function can be used to execute instructions one by one, in assemble instruction units. Only

instructions to be executed purely in steps can be executed, because interrupts are not acknowledged during step

execution.

Caution Step execution to be performed at the C language level is performed by a debugger using the

break function. In this case, interrupts are acknowledged in step execution. Consequently, if

processing at the interrupt destination cannot be completed, step execution may not be

completed. For handling such a case, see the manual of the debugger.

1.3.3 Break functions (program execution stop)

The break functions are used to stop program execution. With IECUBE2, program execution can be stopped

under the following various conditions. See (1) to (5) for an overview of each break function.

• An address has been executed Hardware break function, software break function

• A variable has been accessed Hardware break function

• A specific time has elapsed Timer overflow break function

Variable values can be checked during a break and a program can be executed again by changing register

values, because the CPU operates even during a break (while the program is stopped). Interrupts generated

during the break are suspended, because basically peripheral functions also operate during the break. Use the

peripheral break function to stop peripheral functions during the break.

User’s Manual（Preliminary） IECUBE2 main (QB-V850E2) ZUD-CD-10-0092 10/19

(1) Hardware break function

The hardware break function is used to observe the CPU bus cycles and set a break for a specific fetch or

access operation. For example, a break can be set by detecting a state where an address has been

executed or a variable has been accessed. For states that can be set, see “Event function”.

Caution The address for which a break has been set is at a position ahead of the address where an

actual access has occurred, because the break set for the access (write, read) is detected at an

MEM stage or a WB stage on the CPU pipeline.

(2) Software break function

The software break function is used to set a break when a specific address has been executed (fetched).

(3) Timer overflow break function

This function is used to set a break when a time set by using the time measurement function has elapsed.

For example, if the execution time of a function must be 2 ms, a break can be set when at least 2 ms have

elapsed between starting and ending the function. This function and the trace function can be used

together to find the source that has taken time.

(4) Forced break function

This function is used to forcibly stop a program when it is desired to be stopped.

(5) Trace full break function

This function is used to stop a program when the trace memory is full.

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