User’s Manual
Target Devices
µ
µµ
µ
PD780833Y Subseries
IE-780831-NS-EM4
Emulation Board
1991©
Document No. U16239EJ2V0UM00 (1st edition)
Date Published August 2002 N CP(K)
Printed in Japan
2002
User’s Manual U16239EJ2V0UM
2
[MEMO]
User’s Manual U16239EJ2V0UM 3
Windows is either a registered trademark or a trademark of Microsoft Corporation in the United States and/or
other countries.
PC/AT is a trademark of International Business Machines Corporation.
M8E 00. 4
The information in this document is current as of May, 2002. The information is subject to change
without notice. For actual design-in, refer to the latest publications of NEC's data sheets or data
books, etc., for the most up-to-date specifications of NEC semiconductor products. Not all products
and/or types are available in every country. Please check with an NEC sales representative for
availability and additional information.
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Descriptions of circuits, software and other related information in this document are provided for illustrative
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(Note)
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•
•
•
•
•
•
User’s Manual U16239EJ2V0UM
4
Regional Information
Some information contained in this document may vary from country to country. Before using any NEC
product in your application, pIease contact the NEC office in your country to obtain a list of authorized
representatives and distributors. They will verify:
•
Device availability
•
Ordering information
•
Product release schedule
•
Availability of related technical literature
•
Development environment specifications (for example, specifications for third-party tools and
components, host computers, power plugs, AC supply voltages, and so forth)
•
Network requirements
In addition, trademarks, registered trademarks, export restrictions, and other legal issues may also vary
from country to country.
NEC Electronics Inc. (U.S.)
Santa Clara, California
Tel: 408-588-6000
800-366-9782
Fax: 408-588-6130
800-729-9288
NEC Electronics Hong Kong Ltd.
Hong Kong
Tel: 2886-9318
Fax: 2886-9022/9044
NEC Electronics Hong Kong Ltd.
Seoul Branch
Seoul, Korea
Tel: 02-528-0303
Fax: 02-528-4411
NEC Electronics Shanghai, Ltd.
Shanghai, P.R. China
Tel: 021-6841-1138
Fax: 021-6841-1137
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Tel: 02-2719-2377
Fax: 02-2719-5951
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Novena Square, Singapore
Tel: 253-8311
Fax: 250-3583
NEC do Brasil S.A.
Electron Devices Division
Guarulhos-SP, Brasil
Tel: 11-6462-6810
Fax: 11-6462-6829
J02.4
NEC Electronics (Europe) GmbH
Duesseldorf, Germany
Tel: 0211-65 03 01
Fax: 0211-65 03 327
• Sucursal en España
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Tel: 091-504 27 87
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• United Kingdom Branch
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Tel: 01908-691-133
Fax: 01908-670-290
User’s Manual U16239EJ2V0UM 5
INTRODUCTION
Product Overview The IE-780831-NS-EM4 is designed to be used with the IE-78K0-NS-P02, IE-78K0-NS,
or IE-78K0-NS-A to debug the following target devices that belong to the 78K/0 Series of
8-bit single-chip microcontrollers.
•
µ
PD780833Y Subseries:
µ
PD780833Y, 78F0833Y
Target Readers This manual is intended for engineers who will use the IE-780831-NS-EM4 with the IE-
78K0-NS-P02, IE-78K0-NS, or IE-78K0-NS-A to perform system debugging.
Engineers who use this manual are expected to be thoroughly familiar with the target
device’s functions and usage methods and to be knowledgeable about debugging.
Organization When using the IE-780831-NS-EM4, refer to not only this manual (supplied with the IE-
780831-NS-EM4) but also the manual that is supplied with the IE-78K0-NS-P02, IE-
78K0-NS, or IE-78K0-NS-A.
The IE-78K0-NS used in combination with the IE-78K0-NS-PA is functionally equivalent
to the IE-78K0-NS-A. Therefore, as necessary, read IE-78K0-NS + IE-78K0-NS-PA for
IE-78K0-NS-A in this document.
IE-78K0-NS or IE-78K0-NS-A IE-780831-NS-EM4
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-78K0-NS-P02
User’s Manual
• Function overview
• Part names
• Installation
Purpose This manual is intended to give users an understanding of the various debugging
functions that can be performed when using the IE-780831-NS-EM4.
User’s Manual U16239EJ2V0UM
6
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 that is the target for emulation.
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-78K0-NS or IE-78K0-NS-A), I/O board
(IE-78K0-NS-P02), and the emulation board (IE-780831-NS-EM4).
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 No.
IE-78K0-NS In-Circuit Emulator U13731E
IE-78K0-NS-A In-Circuit Emulator U14889E
IE-78K0-NS-P02 I/O board U16108E
IE-780831-NS-EM4 Emulation Board This manual
ID78K Series Integrated Debugger Ver. 2.30 or Later Operation Windows™
Based
U15185E
µ
PD780833Y Subseries U13892E
Caution The documents listed above are subject to change without notice. Be sure to use the latest
documents when designing.
User’s Manual U16239EJ2V0UM 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
CHAPTER 3 INSTALLATION...................................................................................................................17
3.1 Connection ................................................................................................................................................. 18
3.2 Clock Settings............................................................................................................................................ 19
3.2.1 Overview of clock settings ............................................................................................................. 19
3.2.2 System clock settings .................................................................................................................... 21
3.3 External Trigger ......................................................................................................................................... 24
3.4 Jumper Settings on IE-78K0-NS ............................................................................................................... 25
3.5 Jumper Settings on IE-78K0-NS-A ........................................................................................................... 25
CHAPTER 4 DIFFERENCES BETWEEN TARGET DEVICES AND TARGET INTERFACE
CIRCUITS ............................................................................................................................26
CHAPTER 5 RESTRICTIONS ..................................................................................................................29
APPENDIX A EMULATION PROBE PIN ASSIGNMENT TABLE ....................................................... 30
APPENDIX B CAUTIONS ON DESIGNING TARGET SYSTEM .........................................................32
User’s Manual U16239EJ2V0UM
8
LIST OF FIGURES
Figure No. Title Page
1-1 System Configuration ....................................................................................................................................... 11
1-2 Basic Hardware Configuration (Using IE-78K0-NS) ......................................................................................... 13
1-3 Basic Hardware Configuration (Using IE-78K0-NS-A)...................................................................................... 13
2-1 IE-780831-NS-EM4 Part Names....................................................................................................................... 16
3-1 Connection of Emulation Probe ........................................................................................................................ 18
3-2 External Circuits Used as System Clock Oscillator .......................................................................................... 19
3-3 When Using User-Mounted Clock (System Clock) ........................................................................................... 20
3-4 When Using an External Clock ......................................................................................................................... 20
3-5 Connections on Parts Board (When Using System Clock or User-Mounted Clock)......................................... 22
3-6 Crystal Oscillator (When Using System Clock or User-Mounted Clock)........................................................... 23
3-7 Pin Alignment of Crystal Oscillator and Socket ................................................................................................ 23
3-8 External Trigger Input Position ......................................................................................................................... 24
4-1 Equivalent Circuit of Emulation Circuit 1........................................................................................................... 27
4-2 Equivalent Circuit of Emulation Circuit 2........................................................................................................... 27
4-3 Equivalent Circuit of Emulation Circuit 3........................................................................................................... 28
B-1 Distance Between IE System and Conversion Adapter.................................................................................... 32
B-2 Connection Condition of Target System (NP-80GC-TQ) .................................................................................. 33
B-3 Connection Condition of Target System (NP-H80GC-TQ) ............................................................................... 33
User’s Manual U16239EJ2V0UM 9
LIST OF TABLES
Table No Title Page
1-1 Correspondence Between Emulation Probe and Conversion Socket/Conversion Adapter...............................12
1-2 Basic Specifications ..........................................................................................................................................14
3-1 System Clock Settings.......................................................................................................................................21
3-2 Jumper Settings on IE-78K0-NS .......................................................................................................................25
3-3 Jumper Settings on IE-78K0-NS-A G-780009 Board ........................................................................................25
3-4 Jumper Settings on IE-78K0-NS-A G-78K0H Option Board..............................................................................25
5-1 Initial Values of Ports at IE System Startup While Target System Is Not Connected........................................29
A-1 NP-80GC, NP-80GC-TQ, and NP-H80GC-TQ Pin Assignments .....................................................................30
B-1 Distance Between IE System and Conversion Adapter ....................................................................................32
User’s Manual U16239EJ2V0UM
10
CHAPTER 1 GENERAL
The IE-780831-NS-EM4 is a development tool for efficient debugging of hardware or software when using one of
the following target devices that belong to the 78K/0 Series of 8-bit single-chip microcontrollers.
This chapter describes the IE-780831-NS-EM4’s system configuration and basic specifications.
•Target devices
•
µ
PD780833Y Subseries
CHAPTER 1 GENERAL
User’s Manual U16239EJ2V0UM 11
1.1 System Configuration
Figure 1-1 illustrates the IE-780831-NS-EM4’s system configuration.
Figure 1-1. System Configuration
Interface cable
(NS IF Cable)
In-circuit emulator
IE-78K0-NS
or
IE-78K0-NS-A
(sold separately)
AC adapter
IE-70000-MC-PS-B
(sold separately)
Emulation probe
(sold separately)
Conversion socket/conversion adapter
Note 3
(sold separately)
IE-780831-NS-EM4
(This product)
IE-78K0-NS-P02
(sold separately)
IE-70000-CD-IF-A
(sold separately)
Interface card
NS CARD
Cable
Control software
Host machine
PC-9800 series
or IBM PC/AT
or compatibles
Debugger
ID78K0-NS
(sold separately)
Device file
(available separately)
Note 1
TM
Interface
cable
Note 2
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)
or
MC CARD
Cable
FG Cable
CHAPTER 1 GENERAL
User’s Manual U16239EJ2V0UM
12
Notes 1. The device file is as follows.
µ
S××××DF780833:
µ
PD780833Y Subseries
The device file can be downloaded from the web site of NEC Electron Devices
(http://www.ic.nec.co.jp/micro/).
2. The emulation probes NP-80GC, NP-80GC-TQ, and NP-H80GC-TQ are products 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 adapter TGC-080SBP is a product of TOKYO ELETECH CORPORATION.
For further information, contact Daimaru Kogyo, Ltd.
Tokyo Electronics Department (TEL: +81-3-3820-7112)
Osaka Electronics Department (TEL: +81-6-6244-6672)
The correspondence between the emulation probes and conversion socket/conversion adapters that are sold
separately is shown in the Table 1-1.
Table 1-1. Correspondence Between Emulation Probe and Conversion Socket/Conversion Adapter
Package Emulation Probe Conversion Socket/Conversion Adapter
NP-80GC (Probe length: 200 mm) EV-9200GC-8080-pin plastic QFP
NP-80GC-TQ (Probe length: 200 mm)
NP-H80GC-TQ (Probe length: 400 mm)
TGC-080SBP
CHAPTER 1 GENERAL
User’s Manual U16239EJ2V0UM 13
1.2 Hardware Configuration
Figures 1-2 and 1-3 show the IE-780831-NS-EM4’s position in the basic hardware configuration.
Figure 1-2. Basic Hardware Configuration (Using IE-78K0-NS)
IE-78K0-NS
Host
machine
Interface
board
(sold
separately)
Interface
card
(sold
separately)
Dedicated bus
interface
78K0
main
board
I/O board
(sold
separately)
Emulation
board
(this product)
Emulation probe
(sold separately)
IE-780831-NS-EM4
IE-78K0-NS-P02
IE system
Figure 1-3. Basic Hardware Configuration (Using IE-78K0-NS-A)
IE-78K0-NS-A
IE system
Host
machine
Interface
board
(sold
separately)
Interface card
(sold
separately)
Dedicated bus
interface
78K0
main
board
78K0
performance
board
External sense
probe
Emulation probe
(sold separately)
I/O board
(sold
separately)
Emulation
board
(this product)
IE-780831-NS-EM4
IE-78K0-NS-P02
CHAPTER 1 GENERAL
User’s Manual U16239EJ2V0UM
14
1.3 Basic Specifications
The IE-780831-NS-EM4’s basic specifications are listed in Table 1-2.
Table 1-2. Basic Specifications
Parameter Description
Target device
µ
PD780833Y, 78F0833Y Subseries
System clock 4.194304 MHz
System clock supply External: Clock input from the target system via an emulation probe
Internal: Clock mounted on the I/O board (4.194304 MHz) or mounted on the parts board by
the user
Low voltage support Not supported
User’s Manual U16239EJ2V0UM 15
CHAPTER 2 PART NAMES
This chapter introduces the parts of the IE-780831-NS-EM4 main unit.
The packing box contains the emulation board (IE-780831-NS-EM4), packing list, user’s manual, and guarantee
card.
If there are any missing or damaged items, please contact an NEC sales representative.
Fill out and return the guarantee card that comes with the main unit.
CHAPTER 2 PART NAMES
User’s Manual U16239EJ2V0UM
16
2.1 Parts of Main Unit
Figure 2-1. IE-780831-NS-EM4 Part Names
EXTOUT External trigger
EXTIN
Probe connector
CN6 80GC
80GC-TQ
H80GC-TQ
User’s Manual U16239EJ2V0UM 17
CHAPTER 3 INSTALLATION
This chapter describes methods for connecting the IE-780831-NS-EM4 to the IE-78K0-NS-P02, IE-78K0-NS, or
IE-78K0-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 U16239EJ2V0UM
18
3.1 Connection
(1) Connection with IE-78K0-NS-P02 and IE-78K0-NS or IE-78K0-NS-A main unit
See the IE-78K0-NS User’s Manual (U13731E) for a description of how to connect the IE-780831-NS-EM4 to
the IE-78K0-NS-P02 and IE-78K0-NS.
See the IE-78K0-NS-A User’s Manual (U14889E) for a description of how to connect the IE-780831-NS-EM4 to
the IE-78K0-NS-P02 and IE-78K0-NS-A.
(2) Connection with emulation probe
See the IE-78K0-NS User’s Manual (U13731E) or IE-78K0-NS-A User’s Manual (U14889E) for a description of
how to connect an emulation probe to the IE-780831-NS-EM4.
On this board, connect the emulation probe to CN6.
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-780831-NS-EM4
Emulation probe
(sold separately)
IE-78K0-NS-P02 (sold separately)
Main board of IE-78K0-NS (sold separately) or
IE-78K0-NS-A (sold separately)
CN6 80GC
80GC-TQ
H80GC-TQ
CHAPTER 3 INSTALLATION
User’s Manual U16239EJ2V0UM 19
3.2 Clock Settings
3.2.1 Overview of clock settings
The system clocks to be used during debugging can be selected from (1) or (2) below.
(1) Clock that is mounted by user
(2) External clock
If the target system includes an internal clock, select (1) Clock that is mounted by user. For an internal clock, 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 3-2. During emulation, the resonator that is mounted on the target
system is not used. Instead, the clock (X1) that is to be mounted on the IE-78K0-NS-P02 is used.
If the target system includes an external clock, select (2) External clock.
For an external clock, a clock signal is supplied from outside 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 3-2.
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 clock from the target. The IE system does not operate if the
crystal resonator is directly connected to X1.
Figure 3-2. External Circuits Used as System Clock Oscillator
(a) Internal clock (b) External clock
X2 X2
Target device Target device
External
clock
X1 X1
CHAPTER 3 INSTALLATION
User’s Manual U16239EJ2V0UM
20
(1) Clock that is mounted by user
The user is able to mount any clock supported by the set specifications on the IE-78K0-NS-P02.
Remove the parts board (X1) that is already mounted on the IE-78K0-NS-P02, and mount either the parts board
on which the resonator to be used is mounted or an oscillator. This method is useful when using a different
frequency from that of the pre-mounted clock.
Figure 3-3. When Using User-Mounted Clock (System Clock)
IE-78K0-NS or IE-78K0-NS-A
IE-78K0-NS-P02
Resonator
(not used)
Target system
Emulation probe
Parts board
+ resonator
or
oscillator
Remark The clock that is supplied by the IE-78K0-NS-P02’s resonator or oscillator (encircled in the
figure) is used.
(2) External clock
An external clock connected to the target system can be used via an emulation probe.
Figure 3-4. When Using an External Clock
IE-78K0-NS or IE-78K0-NS-A
Clock generator
(to be used)
Emulation probe
Target system
IE-780831-NS-EM4
(IE-78K0-NS-P02)
Remark The clock supplied by the target system’s clock generator (encircled in the figure) is used.
CHAPTER 3 INSTALLATION
User’s Manual U16239EJ2V0UM 21
3.2.2 System clock settings
Table 3-1. System Clock Settings
IE-78K0-NS-P02Frequency of System Clock
X1 Socket
CPU Clock Source
Selection (ID78K0-NS)
When using clock mounted
by user
Oscillator assembled by user
When using external clock
Up to 4.194304 MHz
Oscillator (not used)
External
Caution Open the configuration dialog box when starting the integrated debugger (ID78K0-NS) and
select “External” in the area (Clock) for selecting the CPU clock source (this selects the user
clock). When “Internal” is selected, the system clock frequency is 8.38 MHz.
(1) When using clock mounted by user
Execute the settings described under either (a) or (b), depending on the type of clock to be used.
When starting the integrated debugger (ID78K0-NS), open the configuration dialog box and select “External” in
the area (Clock) for selecting the CPU clock source (this selects the emulator 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 and resistor Rx, capacitor CA, and capacitor
CB (all with suitable oscillation frequency) as shown below.
CHAPTER 3 INSTALLATION
User’s Manual U16239EJ2V0UM
22
Figure 3-5. Connections on Parts Board (When Using System Clock or User-Mounted Clock)
Parts board (X1) of
IE-78K0-NS-P02
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.
<2> Prepare the IE-78K0-NS-P02.
<3> Remove the crystal oscillator that is mounted in the IE-78K0-NS-P02’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 3-5 above.
<6> Connect to the IE-78K0-NS or IE-78K0-NS-A to the combined IE-78K0-NS-P02 and IE-780831-NS-
EM4.
The above steps configure the following circuit and enable supply of the clock from the mounted resonator
to the emulation device.
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1 MΩ
11
4
3
12
CB CA
13
2
5
10
Rx
98CLOCK OUT
HCU04 HCU04
CHAPTER 3 INSTALLATION
User’s Manual U16239EJ2V0UM 23
(b) When using a crystal oscillator
•Items to be prepared
• Crystal oscillator (see pinouts shown in Figure 3-6)
Figure 3-6. Crystal Oscillator (When Using System Clock or User-Mounted Clock)
<Steps>
<1> Prepare the IE-78K0-NS-P02.
<2> Remove the parts board that is mounted in the IE-78K0-NS-P02’s X1 socket.
<3> Mount the crystal oscillator prepared by the user in the X1 socket from which the parts board was
removed in <2> above. Insert the crystal oscillator pin into the socket aligning the pins as shown in
the figure below.
Figure 3-7. Pin Alignment of Crystal Oscillator and Socket
Crystal Oscillator Pin Name Socket Pin No.
NC 1
GND 7
CLOCK OUT 8
VCC 14
<4> Connect to the IE-78K0-NS or IE-78K0-NS-A to the combined IE-78K0-NS-P02 and IE-780831-NS-
EM4.
The above steps configure the following circuit and enable supply of the clock from the mounted resonator
to the emulation device.
(2) When using external clock
No hardware settings are required for this situation.
When starting the integrated debugger (ID78K0-NS), open the configuration dialog box and select “External” in
the area (Clock) for selecting the CPU’s clock source (this selects the user clock).
V
CC
CLOCK OUTGND
NC
14
13
12
11
10
9
8
V
CC
CLOCK OUT
GND
NC 1
2
3
4
5
6
7
Crystal oscillator Socket
CHAPTER 3 INSTALLATION
User’s Manual U16239EJ2V0UM
24
3.3 External Trigger
Connect the external trigger to the IE-780831-NS-EM4’s check pins EXTOUT and EXTIN as shown below.
See the ID78K Series Operation (Windows Based) User’s Manual (U15185E) for descriptions of related use
methods, and see the IE-78K0-NS User’s Manual (U13731E) or IE-78K0-NS-A User’s Manual (U14889E) for pin
characteristics.
Figure 3-8. External Trigger Input Position
EXTIN External trigger
EXTOUT
CN6
CHAPTER 3 INSTALLATION
User’s Manual U16239EJ2V0UM 25
3.4 Jumper Settings on IE-78K0-NS
When using the IE-780831-NS-EM4 in combination with the IE-78K0-NS, set the jumper on the IE-78K0-NS as
shown below.
For details of these jumper positions, refer to the IE-78K0-NS User’s Manual (U13731E).
Caution If the jumpers are set incorrectly, the board may be damaged.
Table 3-2. Jumper Settings on IE-78K0-NS
JP2 JP3 JP4 JP6 JP7 JP8
Setting 2 to 3 shorted 1 to 2 shorted 1 to 2 shorted 3 to 4 shorted 1 to 2 shorted 3 to 4 shorted
3.5 Jumper Settings on IE-78K0-NS-A
When using the IE-780831-NS-EM4 in combination with the IE-78K0-NS-A, set the jumper on the IE-78K0-NS-A
as shown below.
For details of these jumper positions, refer to the IE-78K0-NS-A User’s Manual (U14889E).
Caution If the jumpers are set incorrectly, the board may be damaged.
Table 3-3. Jumper Settings on IE-78K0-NS-A G-780009 Board
JP2 JP3 JP4 JP6 JP7 JP8
Setting 2 to 3 shorted 1 to 2 shorted 1 to 2 shorted 3 to 4 shorted 1 to 2 shorted 3 to 4 shorted
Table 3-4. Jumper Settings on IE-78K0-NS-A G-78K0H Option Board
JP2
Setting 2 to 3 shorted
User’s Manual U16239EJ2V0UM
26
CHAPTER 4 DIFFERENCES BETWEEN TARGET DEVICES AND TARGET INTERFACE CIRCUITS
This chapter describes differences between the target device’s signal lines and the signal lines of the IE-780831-
NS-EM4’s target interface circuit.
Although the target device is a CMOS circuit, the IE-780831-NS-EM4’s target interface circuit consists of
emulation circuits such as an emulation CPU, TTL, and CMOS-IC.
When the IE system is connected with the target system for debugging, the IE system performs emulation so as to
operate as the actual target device would operate in the target system.
However, some minor differences exist since the operations are performed via the IE system’s emulation.
(1) Signals input or output from the emulation CPU (
µ
PD7880)
(2) Signals input or output from the emulation CPU (
µ
PD7881)
(3) Other signals
The circuits of the IE-78K0-NS-P02 and IE-780831-NS-EM4’s are used as follows for signals listed in (1) to (3)
above.
(1) Signals input to or output from the emulation CPU (
µ
µµ
µ
PD7880)
See Figure 4-1 Equivalent Circuit of Emulation Circuit 1.
•P27 to P20
•P36 to P30
•P75 to P70
•P87 to P80
•P97 to P90
•AVDD0
•AVREF0
•AVSS0
•AVREF1
•AVSS1
•RESET
•X1
(2) Signals input to or output from the emulation CPU (
µ
µµ
µ
PD7881)
See Figure 4-2 Equivalent Circuit of Emulation Circuit 2.
•P07 to P00
•P47 to P40
•P57 to P50
•P67 to P64
CHAPTER 4 DIFFERENCES BETWEEN TARGET DEVICES AND TARGET INTERFACE CIRCUITS
User’s Manual U16239EJ2V0UM 27
(3) Other signals
See Figure 4-3 Equivalent Circuit of Emulation Circuit 3.
• VDD0, VDD1
• VSS0, VSS1
• VPP/TEST
• X2
• C2TX
• C2RX
Figure 4-1. Equivalent Circuit of Emulation Circuit 1
P97 to P90
AV
DD0
,AV
REF0
,
AV
SS0
P87 to P80
PD7880
Emulation CPU
Probe side IE system side
P36 to P30
P27 to P20
P75 to P70
RESET
AV
REF1
,AV
SS1
X1
100 Ω
HC4066
LV
CC
4.7 kΩ
µ
Figure 4-2. Equivalent Circuit of Emulation Circuit 2
P67 to P64
P07 to P00
P47 to P40
P57 to P50
Probe side IE system side
PD7881
Emulation CPU
µ
CHAPTER 4 DIFFERENCES BETWEEN TARGET DEVICES AND TARGET INTERFACE CIRCUITS
User’s Manual U16239EJ2V0UM
28
Figure 4-3. Equivalent Circuit of Emulation Circuit 3
0.1 F
100 Ω
1 MΩ
V
DD0
,V
DD1
V
SS0
,V
SS1
V
PP
/TEST,
X2 Open
Internal circuit
PC393
VCC
C2TX,C2RX
Probe side IE system side
µ
µ
User’s Manual U16239EJ2V0UM 29
CHAPTER 5 RESTRICTIONS
The restrictions for the IE-780831-NS-EM4 are shown below.
(1) When the target system is not connected, the initial values of the ports are undefined.
Table 5-1. Initial Values of Ports at IE System Startup While Target System Is Not Connected
Emulator Target Device
Initial value of port Undefined 00H
(2) The values of the bits fixed to 1 become undefined in the port mode registers PM3, PM6, and PM7.
•Bit 7 of PM3
•Bits 0, 1, 2, and 3 of PM6
•Bits 6 and 7 of PM7
User’s Manual U16239EJ2V0UM
30
APPENDIX A EMULATION PROBE PIN ASSIGNMENT TABLE
Table A-1. NP-80GC, NP-80GC-TQ, and NP-H80GC-TQ Pin Assignments (1/2)
Emulation Probe CN6 Pin No. Emulation Probe CN6 Pin No.
1 114 33 56
2 113 34 49
3 108 35 50
4 107 36 45
5 104 37 46
6 103 38 41
7 100 39 42
8994035
994418
10 93 42 7
11 30 43 14
12 29 44 13
13 24 45 18
14 23 46 17
15 20 47 22
16 19 48 21
17 16 49 28
18 15 50 27
19 10 51 92
20 9 52 91
21 37 53 98
22 43 54 97
23 44 55 102
24 47 56 101
25 48 57 106
26 51 58 105
27 52 59 112
28 57 60 111
29 58 61 83
30 59 62 77
31 60 63 78
32 55 64 73
Remarks 1. The NP-80GC, NP-80GC-TQ, and NP-H80GC-TQ are products 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.
APPENDIX A EMULATION PROBE PIN ASSIGNMENT TABLE
User’s Manual U16239EJ2V0UM 31
Table A-1. NP-80GC, NP-80GC-TQ, and NP-H80GC-TQ Pin Assignments (2/2)
Emulation Probe CN6 Pin No. Emulation Probe CN6 Pin No.
65 74 73 66
66 69 74 71
67 70 75 72
68 63 76 75
69 64 77 76
70 61 78 79
71 62 79 80
72 65 80 85
Remarks 1. The NP-80GC, NP-80GC-TQ, and NP-H80GC-TQ are products 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 U16239EJ2V0UM
32
APPENDIX B CAUTIONS ON DESIGNING TARGET SYSTEM
Figures B-1 to B-3 show 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.
In the product names described in this appendix, NP-80GC-TQ and NP-H80GC-TQ are products of Naito Densei
Machida Mfg. Co., Ltd. and TGC-080SBP is a product 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-80GC-TQ 170 mm
NP-H80GC-TQ
TGC-080SBP
370 mm
Figure B-1. Distance Between IE System and Conversion Adapter
170 mm
Note
In-circuit emulator
IE-78K0-NS or IE-78K0-NS-A
Emulation board
IE-780831-NS-EM4
Conversion adapter: TGC-080SBP
Target system
Emulation probe
NP-80GC-TQ
NP-H80GC-TQ
Note Distance when NP-80GC-TQ is used. When NP-H80GC-TQ is used, the distance is 370 mm.
APPENDIX B CAUTIONS ON DESIGNING TARGET SYSTEM
User’s Manual U16239EJ2V0UM 33
Figure B-2. Connection Condition of Target System (NP-80GC-TQ)
Emulation probe
NP-80GC-TQ
Target system
24.8 mm
25 mm
40 mm 34 mm
Conversion
adapter
TGC-080SBP
21 mm 1pin
11 mm
Emulation board
IE-780831-NS-EM4
21 mm
Figure B-3. Connection Condition of Target System (NP-H80GC-TQ)
Emulation probe
NP-H80GC-TQ
Target system
Emulation board
IE-780831-NS-EM4
25.3 mm
42 mm 45 mm
11 mm
Conversion
adapter
TGC-080SBP
25 mm 21 mm 1pin 21 mm
User’s Manual U16239EJ2V0UM
34
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