IE-789088-NS-EM1 - NEC Electronics

User’s Manual

Target Devices

µµ

PD789088 Subseries

IE-789088-NS-EM1

Emulation Board

Document No. U16398EJ1V0UM00 (1st edition)

Date Published December 2002 N CP(K)

Printed in Japan 2002

User’s Manual U16398EJ1V0UM

[MEMO]

User’s Manual U16398EJ1V0UM 3

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•

M8E 02. 11-1

User’s Manual U16398EJ1V0UM

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User’s Manual U16398EJ1V0UM 5

INTRODUCTION

Product Overview The IE-789088-NS-EM1 is designed to be used with the IE-78K0S-NS or IE-78K0S-NS-A

to debug the following target devices that belong to the 78K/0S Series of 8-bit single-chip

microcontrollers.

•

PD789088 Subseries:

PD789086, 789088, 78F9088

Target Readers This manual is intended for engineers who will use the IE-789088-NS-EM1 with the IE-

78K0S-NS or IE-78K0S-NS-A to perform system debugging.

Engineers who use this manual are expected to be thoroughly familiar with the target

device’s functions and use methods and to be knowledgeable about debugging.

Organization When using the IE-789088-NS-EM1, refer to not only this manual (supplied with the IE-

789088-NS-EM1) but also the manual that is supplied with the IE-78K0S-NS or IE-

78K0S-NS-A.

IE-78K0S-NS IE-789088-NS-EM1

User’s Manual User’s Manual

• Basic specifications • General

• System configuration • Part names

• External interface functions • Installation

• Differences between target devices

and target interface circuits

IE-78K0S-NS-A

User’s Manual

• Basic specifications

• System configuration

• External interface functions

Purpose This manual’s purpose is to explain various debugging functions that can be performed

when using the IE-789088-NS-EM1.

User’s Manual U16398EJ1V0UM

Terminology The meanings of certain terms used in this manual are listed below.

Term Meaning

Emulation device This is a general term that refers to the device in the emulator that is used to emulate the target

device. It includes the emulation CPU.

Emulation CPU This is the CPU block in the emulator that is used to execute user-generated programs.

Target device This is the device to be emulated.

Target system This includes the target program and the hardware provided by the user. When defined narrowly, it

includes only the hardware.

IE system This refers to the combination of the in-circuit emulator (IE-78K0S-NS or IE-78K0S-NS-A) and

emulation board (IE-789088-NS-EM1).

Conventions Data significance: Higher digits on the left and lower digits on the right

Note: Footnote for item marked with Note in the text

Caution: Information requiring particular attention

Remark: Supplementary information

Related Documents The related documents (user’s manuals) indicated in this publication may include

preliminary versions. However, preliminary versions are not marked as such.

Document Name Document Number

IE-78K0S-NS In-Circuit Emulator U13549E

IE-78K0S-NS-A In-Circuit Emulator U15207E

IE-789088-NS-EM1 Emulation Board This manual

ID78K Series Integrated Debugger Ver. 2.30 or Later Operation Windows™ Based U15185E

PD789088 Subseries U15332E

Caution The documents listed above are subject to change without notice. Be sure to use the latest

documents when designing.

User’s Manual U16398EJ1V0UM 7

CONTENTS

CHAPTER 1 GENERAL...........................................................................................................................10

1.1 System Configuration................................................................................................................................ 11

1.2 Hardware Configuration ............................................................................................................................ 13

1.3 Basic Specifications.................................................................................................................................. 14

CHAPTER 2 PART NAMES ....................................................................................................................15

2.1 Parts of Main Unit ...................................................................................................................................... 16

2.2 Initial Settings of Switches and Jumpers ................................................................................................ 16

CHAPTER 3 INSTALLATION..................................................................................................................17

3.1 Connection ................................................................................................................................................. 18

3.2 Switch and Jumper Settings on Main Unit .............................................................................................. 19

3.3 Setting Power Supply Voltage of Target Interface.................................................................................. 20

3.4 Clock Settings............................................................................................................................................ 21

3.4.1 Overview of clock settings ............................................................................................................. 21

3.4.2 System clock settings .................................................................................................................... 23

3.5 External Trigger ......................................................................................................................................... 27

CHAPTER 4 DIFFERENCES BETWEEN TARGET DEVICE AND TARGET INTERFACE CIRCUIT....28

APPENDIX A EMULATION PROBE PIN ASSIGNMENT TABLE ..........................................................32

APPENDIX B NOTES ON DESIGNING TARGET SYSTEM....................................................................33

User’s Manual U16398EJ1V0UM

LIST OF FIGURES

Figure No. Title Page

1-1 System Configuration ....................................................................................................................................... 11

1-2 Basic Hardware Configuration .......................................................................................................................... 13

2-1 IE-789088-NS-EM1 Part Names....................................................................................................................... 16

3-1 Connection of Emulation Probe ........................................................................................................................ 18

3-2 Connecting Target System and Power Supply Voltage.................................................................................... 20

3-3 External Circuits Used as System Clock Oscillator .......................................................................................... 21

3-4 When Using Clock That Is Already Mounted on Emulation Board.................................................................... 22

3-5 When Using User-Mounted Clock .................................................................................................................... 22

3-6 When Supplying Pulse from Target System ..................................................................................................... 23

3-7 Connections on Parts Board............................................................................................................................. 24

3-8 Crystal Oscillator............................................................................................................................................... 25

3-9 Pin Alignment of Crystal Oscillator and Socket ................................................................................................ 26

3-10 External Trigger Input Position ......................................................................................................................... 27

4-1 Equivalent Circuit 1 of Emulation Circuit........................................................................................................... 29

4-2 Equivalent Circuit 2 of Emulation Circuit........................................................................................................... 30

4-3 Equivalent Circuit 3 of Emulation Circuit........................................................................................................... 31

B-1 Distance Between In-Circuit Emulator and Conversion Socket/Conversion Adapter

(When 30MC Is Used) ...................................................................................................................................... 33

B-2 Connection Conditions of Target System (When NP-30MC Is Used)............................................................... 34

User’s Manual U16398EJ1V0UM 9

LIST OF TABLES

Table No. Title Page

1-1 Correspondence Between Emulation Probe and Conversion Adapter..............................................................12

1-2 Basic Specifications ..........................................................................................................................................14

3-1 Switch and Jumper Settings on IE-78K0S-NS...................................................................................................19

3-2 Switch and Jumper Settings on IE-78K0S-NS-A...............................................................................................19

3-3 Setting Power Supply of Target Interface..........................................................................................................20

3-4 System Clock Settings.......................................................................................................................................23

A-1 NP-30MC Pin Assignments ...............................................................................................................................32

B-1 Distance Between IE System and Conversion Adapter ....................................................................................33

User’s Manual U16398EJ1V0UM

CHAPTER 1 GENERAL

This chapter describes the IE-789088-NS-EM1’s system configuration and basic specifications.

The IE-789088-NS-EM1 is a development tool for efficient debugging of hardware or software when using one of

the following target devices that belong to the 78K/0S Series of 8-bit single-chip microcontrollers.

•Target devices

•

PD789088 Subseries

CHAPTER 1 GENERAL

User’s Manual U16398EJ1V0UM 11

1.1 System Configuration

Figure 1-1 illustrates the IE-789088-NS-EM1’s system configuration.

Figure 1-1. System Configuration

FG Cable

IE-78K0S-NS

IE-78K0S-NS-A

(sold separately)

IE-70000-CD-IF-A

(sold separately)

Debugger

ID78K0S-NS

(sold separately)

Device file

Note 1

(obtain separately)

Control software

Host machine

PC-9800 Series,

IBM PC/AT™

or compatibles

Interface board

IE-70000-98-IF-C

(sold separately)

Interface board

IE-70000-PC-IF-C

(sold separately)

Interface board

IE-70000-PCI-IF-A

(sold separately)

Interface cable

(NS IF Cable)

In-circuit emulator

IE-789088-NS-EM1

(This product)

AC adapter

IE-70000-MC-PS-B

(sold separately)

Emulation probe

Note 2

(sold separately)

Conversion adapter

Note 3

(sold separately)

NS CARD

Cable MC CARD

Cable

Interface

cable

Interface card

CHAPTER 1 GENERAL

User’s Manual U16398EJ1V0UM

Notes 1. The device file is as follows, in accordance with the subseries.

S××××DF789088:

PD789088 Subseries

The device file can be downloaded from the web site of NEC Electronics

(http://www.necel.com/micro/)

2. The emulation probe NP-30MC is a product of Naito Densei Machida Mfg. Co., Ltd.

For further information, contact Naito Densei Machida Mfg. Co., Ltd. (TEL: +81-45-475-4191)

3. The conversion adapters NSPACK30BK, YSPACK30BK, and YQGUIDE are products of TOKYO

ELETECH CORPORATION.

For further information, contact Daimaru Kogyo Co., Ltd.

Tokyo Electronics Department (TEL: +81-3-3820-7112)

Osaka Electronics Department (TEL: +81-6-6244-6672)

Table 1-1. Correspondence Between Emulation Probe and Conversion Adapter

Package Emulation Probe Conversion Socket/Conversion Adapter

30-pin plastic SSOP

(MC type)

NP-30MC (probe length: 200 mm) YSPACK30BK

NSPACK30BK

YQGUIDE (screw for fixing NSPACK30BK and

YSPACK30BK)

CHAPTER 1 GENERAL

User’s Manual U16398EJ1V0UM 13

1.2 Hardware Configuration

Figure 1-2 shows the IE-789088-NS-EM1’s position in the basic hardware configuration.

Figure 1-2. Basic Hardware Configuration

IE-78K0S-NS or

IE-78K0S-NS-A IE-789088-NS-EM1

Emulation probe

(sold separately)

Dedicated bus interface

IE system

Host machine Interface board

(sold separately)

78K0S main board

(sold separately)

Emulation board

(This product)

Interface card

(sold separately)

CHAPTER 1 GENERAL

User’s Manual U16398EJ1V0UM

1.3 Basic Specifications

The basic specifications of the IE-789088-NS-EM1 are listed in Table 1-2.

Table 1-2. Basic Specifications

Parameter Description

Target device

PD789088 Subseries

System clock System clock: 1.0 to 5.0 MHz

System clock supply External: Input pulse via an emulation probe from the target system

Internal: Mounted on emulation board (5.0 MHz), or mounted on the parts board by the user

Target interface voltage VDD = 1.8 to 5.5 V (same as that of target device)

Operates on internal power supply (5 V) when target system is not connected

User’s Manual U16398EJ1V0UM 15

CHAPTER 2 PART NAMES

This chapter introduces the parts of the IE-789088-NS-EM1 main unit.

The packing box contains the emulation board (IE-789088-NS-EM1), packing list, user’s manual, and guarantee

card.

If there are any missing or damaged items, please contact an NEC Electronics sales representative.

Fill out and return the guarantee card that comes with the main unit.

CHAPTER 2 PART NAMES

User’s Manual U16398EJ1V0UM

2.1 Parts of Main Unit

Figure 2-1 shows the part names of the IE-789088-NS-EM1.

Figure 2-1. IE-789088-NS-EM1 Part Names

IE-789088-NS-EM1

TGCN1

EXTIN

EXTOUT

USER VDD

D16

CON1

CON2

SS-71218 Board

IC1

TP12 TP13

TGCN1 probe connector

30MC

Caution Do not remove the SS-71218 Board when using the IE-789088-NS-EM1.

2.2 Initial Settings of Switches and Jumpers

There are no switches or jumpers to be set.

User’s Manual U16398EJ1V0UM 17

CHAPTER 3 INSTALLATION

This chapter describes methods for connecting the IE-789088-NS-EM1 to the IE-78K0S-NS or IE-78K0S-NS-A,

emulation probe, etc. Mode setting methods are also described.

Caution Connecting or removing components to or from the target system, or making switch or other

setting changes must be carried out after the power supply to both the IE system and the target

system has been switched OFF.

CHAPTER 3 INSTALLATION

User’s Manual U16398EJ1V0UM

3.1 Connection

(1) Connection with IE-78K0S-NS or IE-78K0S-NS-A main unit

See the IE-78K0S-NS User’s Manual (U13549E) for a description of how to connect the IE-789088-NS-EM1 to

the IE-78K0S-NSNote.

Note When using the IE-78K0S-NS-A, see the IE-78K0S-NS-A User’s Manual (U15207E).

(2) Connection with emulation probe

See the IE-78K0S-NS User’s Manual (U13549E) for a description of how to connect an emulation probe to the

IE-789088-NS-EM1Note.

On this board, connect the emulation probe to TGCN1.

Note When using the IE-78K0S-NS-A, see the IE-78K0S-NS-A User’s Manual (U15207E).

Caution Incorrect connection may damage the IE system.

Be sure to read the emulation probe’s user’s manual for a detailed description of the

connection method.

Figure 3-1. Connection of Emulation Probe

IE-789088-NS-EM1

TGCN1 30MC

Main board of

IE-78K0S-NS (sold separately) or

IE-78K0S-NS-A (sold separately)

Emulation probe

(sold separately)

CHAPTER 3 INSTALLATION

User’s Manual U16398EJ1V0UM 19

3.2 Switch and Jumper Settings on Main Unit

(1) Settings on the IE-78K0S-NS

When using the IE-789088-NS-EM1, set the switches and jumpers on the IE-78K0S-NS as shown in Table 3-1.

For details of these switch and jumper settings, refer to the IE-78K0S-NS User’s Manual (U13549E).

Table 3-1. Switch and Jumper Settings on IE-78K0S-NS

SW1 SW3 SW4 JP1 JP4

Setting OFF All switches ON

(Fixed)

All switches ON

(Fixed)

2 and 3 shorted 1 and 2 shorted

Caution Incorrect connection may damage the IE-789088-NS-EM1.

(2) Settings on the IE-78K0S-NS-A

When using the IE-789088-NS-EM1, set the switches and jumpers on the IE-78K0S-NS-A as shown in Table 3-

2. For details of these switch and jumper settings, refer to the IE-78K0S-NS-A User’s Manual (U15207E).

Table 3-2. Switch and Jumper Settings on IE-78K0S-NS-A

SW1 JP1 JP3

Setting OFF 1 and 2 shorted (fixed) Shorted (fixed)

Caution Incorrect connection may damage the IE-789088-NS-EM1.

CHAPTER 3 INSTALLATION

User’s Manual U16398EJ1V0UM

3.3 Setting Power Supply Voltage of Target Interface

In the IE system, emulation is possible with a voltage of the same level as the power supply voltage of the target

system.

When the target system is not connected, the IE system automatically operates with the emulator’s internal power

supply (5 V).

When debugging with a voltage that is the same level as that of the target system, the IE-789088-NS-EM1 is

supplied with the same voltage as that of the target system from the VDD pin via the emulation probe, and that voltage

is used as the reference voltage for generating the target interface power supply.

Set the target voltage to between 1.8 and 5.5 V.

For how to select the operating power supply, refer to the ID78K Series Ver.2.30 or Later Operation Windows-

Based User’s Manual (U15185E).

•Maximum current consumption of VDD pin

1.8 to 5.5 V: 20 mA

Table 3-3. Setting Power Supply of Target Interface

Integrated Debugger (ID78K0S-NS)

Power Supply of Target Interface (LVCC)

Operating Power Supply Selection

When connecting target system 1.8 to 5.5 V Target

When not connecting target system 5 V Internal

Figure 3-2. Connecting Target System and Power Supply Voltage

GND

IE-789088-NS-EM1

TGCN1

USER VDD

SS-71218

Target system power

supply voltage

Target system

Emulation

probe

Caution Before connecting or disconnecting the target system, turn off the power to the IE-78K0S-NS or

IE-78K0S-NS-A and the target system.

CHAPTER 3 INSTALLATION

User’s Manual U16398EJ1V0UM 21

3.4 Clock Settings

3.4.1 Overview of clock settings

The system clock to be used during debugging can be selected from (1) to (3) below.

(1) Clock that is already mounted on emulation board

(2) Clock that is mounted by user

(3) Pulse input from target system

If the target system includes a clock oscillator, select either (1) Clock that is already mounted on emulation

board or (2) Clock that is mounted by user. For the clock oscillator, a resonator is connected to the target device

and the target device’s internal oscillator is used. An example of the external circuit is shown in part (a) of Figure 3-3.

During emulation, the oscillator that is mounted on the target system is not used. Instead, the clock that is mounted

on the emulation board installed in the IE-78K0S-NS or IE-78K0S-NS-A is used.

If the target system includes an external clock, select either (1) Clock that is already mounted on emulation

board, (2) Clock that is mounted by user, or (3) Pulse input from target system.

For the external clock, a clock signal is supplied from outside of the target device and the target device’s internal

oscillator is not used. An example of the external circuit is shown in part (b) of Figure 3-3.

Caution The IE system will be hung-up if the system clock is not supplied normally. Moreover, be sure

to input a rectangular wave as the pulse from the target system. There is no need to supply a

clock to the X2 pin. Also, even if a crystal resonator is connected directly to X1, the target

device will not operate.

Figure 3-3. External Circuits Used as System Clock Oscillator

(a) Clock oscillator (b) External clock

Crystal or ceramic

resonator

External

clock

Target device Target device

CHAPTER 3 INSTALLATION

User’s Manual U16398EJ1V0UM

(1) Clock that is already mounted on emulation board

The crystal oscillator mounted on the IE-789088-NS-EM1 can be used.

A crystal oscillator (X1) is already mounted on the emulation board. Its frequency is 5.0 MHz.

Figure 3-4. When Using Clock That Is Already Mounted on Emulation Board

IE-78K0S-NS or IE-78K0S-NS-A

IE-789088-NS-EM1

Mounted

oscillator

(used)

Emulation probe

Target system

Clock oscillator or

external clock (not used)

Remark The clock that is supplied by the oscillator of the IE-789088-NS-EM1 (encircled in the figure) is

used.

(2) Clock that is mounted by user

The user can mount any clock supported by the set specifications on the IE-789088-NS-EM1. This feature is

effective when debugging at a different frequency than the clock already mounted.

Remove the crystal oscillator (X1) that is already mounted on the emulation board, and mount the parts board on

which the resonator to be used is mounted or mount the oscillator to be used.

Figure 3-5. When Using User-Mounted Clock

IE-78K0S-NS or IE-78K0S-NS-A

IE-789088-NS-EM1

Parts board + resonator

oscillator (used)

Emulation probe

Target system

Clock oscillator or

external clock (not used)

Remark The clock that is supplied by the resonator of the IE-789088-NS-EM1 (encircled in the figure) or the

oscillator is used.

CHAPTER 3 INSTALLATION

User’s Manual U16398EJ1V0UM 23

(3) Pulse input from target system

An external clock on the target system can be used via an emulation probe.

Figure 3-6. When Supplying Pulse from Target System

IE-78K0S-NS or IE-78K0S-NS-A

IE-789088-NS-EM1

Emulation probe

Target system

External clock (used)

Mounted oscillator and

resonator (not used)

Remark The pulse that is supplied by the external clock on the target system (encircled in the figure) or the

oscillator is used.

3.4.2 System clock settings

Table 3-4 shows the settings of the IE-789088-NS-EM1 when the system clocks in (1) to (3) are used.

Table 3-4. System Clock Settings

IE-789088-NS-EM1Frequency of System Clock

X1 Socket

CPU Clock Source

Selection (ID78K0S-NS)

(1) When using clock that is already mounted

on emulation board

5.0 MHz Oscillator

(2) When using clock mounted by user Oscillator configured by user

Internal

(3) When inputting pulse from target system

Other than 5.0 MHz

Oscillator (not used) External

Caution When inputting a pulse from the target system, open the configuration dialog box when

starting the integrated debugger (ID78K0S-NS) and select “External” in the area (Clock) for

selecting the CPU’s clock source (this selects the user’s clock).

Remark The factory settings of the IE-789088-NS-EM1 are those listed above under “when using clock that is

already mounted on emulation board”.

(1) When using clock that is already mounted on emulation board

When the IE-789088-NS-EM1 is shipped, a 5.0 MHz crystal oscillator is already mounted in the IE-789088-NS-

EM1’s X1 socket. When using the factory-set mode settings, there is no need to make any other hardware

settings.

When starting the integrated debugger (ID78K0S-NS), open the configuration dialog box and select “Internal” in

the area (Clock) for selecting the CPU’s clock source (this selects the emulator’s internal clock).

CHAPTER 3 INSTALLATION

User’s Manual U16398EJ1V0UM

(2) When using clock mounted by user

Perform the settings described under either (a) or (b), depending on the type of clock to be used.

When starting the integrated debugger (ID78K0S-NS), open the configuration dialog box and select “Internal” in

the area (Clock) for selecting the CPU’s clock source (this selects the emulator’s internal clock).

(a) When using a ceramic resonator or crystal resonator

•Items to be prepared

• Parts board • Capacitor CA

• Ceramic resonator or crystal resonator • Capacitor CB

• Resistor Rx • Solder kit

<Steps>

<1> Solder the target ceramic resonator or crystal resonator, resistor Rx, capacitor CA, and capacitor CB

(all with suitable oscillation frequencies) onto the parts board (as shown below).

Figure 3-7. Connections on Parts Board

Parts board (X1)

Pin No. Connection

2-13 Capacitor CA

3-12 Capacitor CB

4-11 Ceramic resonator or crystal resonator

5-10 Resistor Rx

8-9 Shorted

Circuit diagram

Remark The sections enclosed in broken lines indicate parts that are attached to the parts board.

1 MΩ

CB CA

98CLOCK OUT

HCU04 HCU04

CHAPTER 3 INSTALLATION

User’s Manual U16398EJ1V0UM 25

<2> Prepare the IE-789088-NS-EM1.

<3> Remove the crystal oscillator that is mounted in the IE-789088-NS-EM1’s X1 socket.

<4> Connect the parts board (from <1> above) to the X1 socket from which the crystal oscillator was

removed. Check the pin 1 mark to make sure the board is mounted in the correct direction.

<5> Make sure that the parts board is wired as shown in Figure 3-7 above.

<6> Install the IE-789088-NS-EM1 in the IE-78K0S-NS or IE-78K0S-NS-A.

The above steps configure the following circuit and enable supply of the clock from the mounted resonator

to the emulation device.

(b) When using a crystal oscillator

•Items to be prepared

• Crystal oscillator (see pinouts shown in Figure 3-8)

Figure 3-8. Crystal Oscillator

<Steps>

<1> Prepare the IE-789088-NS-EM1.

<2> Remove the crystal oscillator that is mounted in the IE-789088-NS-EM1’s X1 socket.

<3> Connect a crystal oscillator to the X1 socket from which the crystal oscillator was removed (in <2>

above). Insert the crystal oscillator into the socket aligning the pins as shown in the figure below.

CLOCK OUTGND

CHAPTER 3 INSTALLATION

User’s Manual U16398EJ1V0UM

Figure 3-9. Pin Alignment of Crystal Oscillator and Socket

Crystal Oscillator Pin Name Socket Pin No.

NC 1

GND 7

CLOCK OUT 8

VCC 14

<4> Install the IE-789088-NS-EM1 in the IE-78K0S-NS or IE-78K0S-NS-A.

(3) When inputting pulse from target system

No hardware settings are required for this situation.

When starting the integrated debugger (ID78K0S-NS), open the configuration dialog box and select “External” in

the area (Clock) for selecting the CPU’s clock source (this selects the user’s clock).

CLOCK OUT

GND

Crystal oscillator Socket

CHAPTER 3 INSTALLATION

User’s Manual U16398EJ1V0UM 27

3.5 External Trigger

To set an external trigger, connect the IE-789088-NS-EM1’s check pins EXTOUT and EXTIN as shown below.

See the IE-78K0S-NS User’s Manual (U13549E) or IE-78K0S-NS-A User’s Manual (U15207E) for pin

characteristics.

For the use methods, see the ID78K Series Ver.2.30 or Later Operation Windows Based User’s Manual

(U15185E).

(1) EXTOUT

The EXTOUT pin on the IE-789088-NS-EM1 outputs a low level for 1.3

s when a break event occurs.

Caution Connect a pull-up resistor on the target system because this is an open drain output.

(2) EXTIN

An event signal can be input from the EXTIN pin on the IE-789088-NS-EM1. Input a high-level pulse signal for 2

CPU operation clocks or more.

Figure 3-10. External Trigger Input Position

IE-789088-NS-EM1

TGCN1

USER VDD

D16

CON1

CON2

SS-71218 Board

IC1

TP12 TP13

EXTOUT

EXTIN External trigger

User’s Manual U16398EJ1V0UM

CHAPTER 4 DIFFERENCES BETWEEN TARGET DEVICE AND TARGET INTERFACE CIRCUIT

This chapter describes differences between the target device’s signal lines and the signal lines of the target

interface circuit of the IE system.

The target interface circuit of the IE system realizes emulation via an emulation circuit configured by an emulation

CPU, TTL, CMOS-IC, and other components. The electrical characteristics are different from those of the target

device because a protector and other circuits are provided.

(1) Signals directly input to or output from the emulation CPU

(2) Signals input from the target system via a gate

(3) Other signals

The circuits of the IE-789088-NS-EM1 are used as follows for signals listed in (1) to (3) above. The same applies

to handling alternate-function pins, for which no circuit is provided in the IE system.

CHAPTER 4 DIFFERENCES BETWEEN TARGET DEVICE AND TARGET INTERFACE CIRCUIT

User’s Manual U16398EJ1V0UM 29

(1) Signals directly input to or output from the emulation CPU

Refer to Figure 4-1 Equivalent Circuit 1 of Emulation Circuit.

Note that for the following signals, a 1 MΩ pull-down resistor and a 100 Ω resistor are connected in series.

• Signals related to port 0

• Signals related to port 4

For the following signals, a 100 Ω resistor is connected in series.

• Signals related to port 2

Figure 4-1. Equivalent Circuit 1 of Emulation Circuit

Port 2

Port 0

Port 4

Port 0

Port 4

Port 2

100 Ω

1 MΩ

• Probe side

(Target system)

• IE system side

(Emulation device)

CHAPTER 4 DIFFERENCES BETWEEN TARGET DEVICE AND TARGET INTERFACE CIRCUIT

User’s Manual U16398EJ1V0UM

(2) Signals input from the target system via a gate

Since the following signals are input via a gate, their timing shows a delay compared to the

PD789088

Subseries. Refer to Figure 4-2 Equivalent Circuit 2 of Emulation Circuit.

•RESET signal

•Signals related to clock input

The X2 pin is not used in the IE-789088-NS-EM1.

Figure 4-2. Equivalent Circuit 2 of Emulation Circuit

100 Ω

1 MΩ

4.7 kΩ

HSK120

RESET

OPEN

HC4066

• Probe side

(Target system)

• IE system side

(Emulation device)

CHAPTER 4 DIFFERENCES BETWEEN TARGET DEVICE AND TARGET INTERFACE CIRCUIT

User’s Manual U16398EJ1V0UM 31

(3) Other signals

Refer to Figure 4-3 Equivalent Circuit 3 of Emulation Circuit.

•V

DD pin

The power supply of the emulation CPU operates on the internal power supply voltage (5 V) when the

target system is not connected, and on the voltage supplied from the power voltage supply pin (LVCC)

when the target system is connected.

•V

SS pin

The VSS pin is connected to GND in the IE-789088-NS-EM1.

•IC/V

PP pin

The IC/VPP pin is not used in the IE-789088-NS-EM1.

Figure 4-3. Equivalent Circuit 3 of Emulation Circuit

OPEN

PC393

–

0.1 F

100 KΩ

PC741

–

100 Ω

IC/V

5 V

HSK120

• Probe side

(Target system)

• IE system side

(Emulation device)

Power supply

generation/detection

User’s Manual U16398EJ1V0UM

APPENDIX A EMULATION PROBE PIN ASSIGNMENT TABLE

Table A-1. NP-30MC Pin Assignments

Emulation Probe TGCN1 Pin No. Emulation Probe TGCN1 Pin No.

1581699

2561763

3491864

4551970

5192069

6182172

7 22 22 102

8622371

9652494

10 66 25 93

11 92 26 30

12 91 27 29

13 98 28 24

14 97 29 23

15 21 30 20

Remarks 1. NP-30MC is a product of Naito Densei Machida Mfg. Co., Ltd.

2. The numbers in the “Emulation probe” column indicate the corresponding pin number on the

emulation probe tip.

User’s Manual U16398EJ1V0UM 33

APPENDIX B NOTES ON DESIGNING TARGET SYSTEM

The following shows the conditions when connecting the emulation probe to the conversion adapter. Follow the

configuration below and consider the shape of parts to be mounted on the target system when designing a system.

Among the products described in this appendix, NP-30MC is a product of Naito Densei Machida Mfg. Co., Ltd, and

YSPACK30BK, NSPACK30BK, and YQGUIDE are products of TOKYO ELETECH CORPORATION.

Table B-1. Distance Between IE System and Conversion Adapter

Emulation Probe Conversion Adapter Distance Between IE System and Conversion Adapter

NP-30MC YSPACK30BK

NSPACK30BK

YQGUIDE

150 mm

Figure B-1. Distance Between In-Circuit Emulator and Conversion Socket/Conversion Adapter

(When 30MC Is Used)

150 mm

In-circuit emulator

IE-78K0S-NS or IE-78K0S-NS-A

Emulation board

IE-789088-NS-EM1

Target system

TGCN1

Emulation probe

NP-30MC Conversion adapter:

YSPACK30BK,

NSPACK30BK

Board on tip of NP-30MC

APPENDIX B NOTES ON DESIGNING TARGET SYSTEM

User’s Manual U16398EJ1V0UM

Figure B-2. Connection Conditions of Target System (When NP-30MC Is Used)

31 mm

37 mm

Target system

Emulation probe

NP-30MC

13 mm

Emulation board

IE-789088-NS-EM1

15 mm

20 mm

5 mm

Board on tip of NP-30MC

Conversion adapter

YSPACK30BK,

NSPACK30BK

Guide pin YQGUIDE