User’s Manual
IE-703040-MC-EM1
In-circuit Emulator Option Board
Target device
V850/SV1™
Document No. U14337EJ1V0UM00 (1st edition)
Date Published August 1999 N CP(K)
©
Printed in Japan
1999
1991
[MEMO]
2
User’s Manual U14337EJ1V0UM00
V850 Family and V850/SV1 are trademarks of NEC Corporation.
Windows is either a trademark or a registered trademark of Microsoft Corporation in the United States
and/or other countries.
PC/AT is a trademark of International Business Machines Corporation.
Ethernet is a trademark of Xerox Corporation.
UNIX is a registered trademark in the United States and other countries, licensed exclusively through
X/Open Company Limited.
• The information in this document is subject to change without notice. Before using this document,
please confirm that this is the latest version.
• No part of this document may be copied or reproduced in any form or by any means without the prior written
consent of NEC Corporation. NEC Corporation assumes no responsibility for any errors which may appear in
this document.
• NEC Corporation does not assume any liability for infringement of patents, copyrights or other intellectual
property rights of third parties by or arising from use of a device described herein or any other liability arising
from use of such device. No license, either express, implied or otherwise, is granted under any patents,
copyrights or other intellectual property rights of NEC Corporation or of others.
• Descriptions of circuits, software, and other related information in this document are provided for illustrative
purposes in semiconductor product operation and application examples. The incorporation of these circuits,
software, and information in the design of the customer's equipment shall be done under the full responsibility
of the customer. NEC Corporation assumes no responsibility for any losses incurred by the customer or third
parties arising from the use of these circuits, software, and information.
M7A 98. 8
User’s Manual U14337EJ1V0UM00
3
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.
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NEC Electronics Hong Kong Ltd.
Santa Clara, California
Tel: 408-588-6000
800-366-9782
Fax: 408-588-6130
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Tel: 91-504-2787
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Tel: 02-66 75 41
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Tel: 02-2719-2377
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Rodovia Presidente Dutra, Km 214
07210-902-Guarulhos-SP Brasil
Tel: 55-11-6465-6810
Fax: 55-11-6465-6829
J99.1
4
User’s Manual U14337EJ1V0UM00
INTRODUCTION
Target Readers
This manual is intended for users who design and develop application systems using
the V850/SV1™.
Purpose
The purpose of this manual is to describe the proper operation of the IE-703040-MCEM1 and its basic specifications.
Organization
This manual is divided into the following parts.
• Overview
• Names and functions of components
• Cautions
How to Read This Manual
It is assumed that the reader of this manual has general knowledge in the fields of
electrical engineering, logic circuits, and microcontrollers.
The IE-703040-MC-EM1 is used connected to the IE-703002-MC in-circuit emulator.
This manual explains the basic setup procedure and switch settings of the IE703002-MC when it is connected to the IE-703040-MC-EM1. For the names and
functions of parts, and the connection of elements, refer to the IE-703002-MC User’s
Manual (U11595E).
To learn about the basic specifications and operation methods
→ Read this manual in the order of the CONTENTS.
To learn the operation methods and command functions, etc., of the IE-703002-MC
and IE-703040-MC-EM1
→ Read the user’s manual of the debugger (sold separately) that is used.
Conventions
Note:
Footnote for item marked with Note in the text
Caution:
Information requiring particular attention
Remark:
Supplementary information
Numeral representation: Binary … xxxx or xxxxB
Decimal … xxxx
Hexadecimal … xxxxH
Prefix indicating the power of 2 (address space, memory capacity):
Terminology
K (kilo):
210 = 1024
M (mega):
220 = 10242
The meanings of terms used in this manual are listed below.
Target device
The device that is targeted for emulation.
Target system
The system (user-built system) that is targeted for debugging. This
includes the target program and user-configured hardware.
User’s Manual U14337EJ1V0UM00
5
Related Documents
When using this manual, refer to the following manuals.
The related documents indicated in this publication may include preliminary versions.
However, preliminary versions are not marked as such.
{ Documents related to development tools (user’s manuals)
Document Name
IE-703002-MC
U11595E
IE-703040-MC-EM1
This manual
CA830, CA850 (C Compiler package)
Operation Windows-based
U13998E
C language
U13997E
Project manager
U13996E
CA850 (C Compiler package)
Assembly Language
U13828E
ID850 (Ver.1.31) (Integrated debugger)
Operation Windows-based
U13716E
ID850 (Ver.2.00 or more)
(Integrated debugger)
Operation Windows-based
U14217E
SM850 (Ver.2.00 or more)
(System simulator)
Operation Windows-based
U13759E
RX850 (Real-time OS)
Basics
U13430E
Installation
U13410E
Fundamental
U13773E
Installation
U13774E
RD850 (Task debugger)
Windows-based
U11158E
RD850 (Ver.3.0) (Task debugger)
Windows-based
U13737E
RD850 Pro (Ver.3.0) (Task debugger)
Windows-based
U13916E
RX850 Pro (Real-time OS)
Note
AZ850 (System performance analyzer)
Note For ID850 (Ver. 1.31 only)
6
Document
Number
User’s Manual U14337EJ1V0UM00
U11181E
CONTENTS
CHAPTER 1
OVERVIEW .........................................................................................................................11
1.1
Hardware Configuration............................................................................................................................... 11
1.2
Features (When Connected to IE-703002-MC) ........................................................................................... 12
1.3
Function Specifications (When Connected to IE-703002-MC).................................................................. 12
1.4
System Configuration .................................................................................................................................. 13
1.5
Contents in Carton ....................................................................................................................................... 14
1.6
Connection between IE-703002-MC and IE-703040-MC-EM1 ................................................................ 16
CHAPTER 2
NAMES AND FUNCTIONS OF COMPONENTS................................................................19
2.1
Component Names and Functions of IE-703040-MC-EM1 ........................................................................ 19
2.2
Clock Settings............................................................................................................................................... 21
2.2.1
Main system clock setting ................................................................................................................ 21
2.2.2
Subsystem clock setting................................................................................................................... 22
2.3
Illegal Access Detection ROM Setting ........................................................................................................ 23
2.4
CPU Operation Voltage Range Switching Setting ..................................................................................... 23
CHAPTER 3
FACTORY SETTINGS ........................................................................................................25
CHAPTER 4
CAUTIONS..........................................................................................................................27
4.1
VDD and BVDD of Target System................................................................................................................... 27
4.2
NMI Signal ..................................................................................................................................................... 28
4.3
VPP Signal ...................................................................................................................................................... 28
4.4
NMI Signal Mask Function ........................................................................................................................... 29
4.5
Bus Interface Pin .......................................................................................................................................... 29
APPENDIX
PACKAGE DRAWINGS.........................................................................................................31
User’s Manual U14337EJ1V0UM00
7
LIST OF FIGURES
Figure No.
Title
Page
1-1 System Configuration ............................................................................................................................................13
1-2 Contents in Carton.................................................................................................................................................14
1-3 Accessories ...........................................................................................................................................................15
1-4 Connection between IE-703002-MC and IE-703040-MC-EM1..............................................................................17
2-1 IE-703040-MC-EM1...............................................................................................................................................19
4-1 Schematic Diagram of Power Supply Acquisition..................................................................................................27
4-2 NMI Signal Flow Path ............................................................................................................................................28
4-3 VPP Signal Flow Path .............................................................................................................................................28
8
User’s Manual U14337EJ1V0UM00
LIST OF TABLES
Table No.
Title
Page
2-1 Main System Clock Setting ................................................................................................................................... 21
2-2 Subsystem Clock Setting ...................................................................................................................................... 22
2-3 JP1 Setting in IE-703002-MC................................................................................................................................ 23
2-4 JP3 and JP4 Setting in IE-703002-MC.................................................................................................................. 23
4-1 Bus Interface Pin Operation List............................................................................................................................ 29
User’s Manual U14337EJ1V0UM00
9
[MEMO]
10
User’s Manual U14337EJ1V0UM00
CHAPTER 1
OVERVIEW
The IE-703040-MC-EM1 is an option board for the IE-703002-MC in-circuit emulator. By connecting the IE703040-MC-EM1 and IE-703002-MC, hardware and software can be debugged efficiently in system development
using the V850/SV1.
In this manual, the basic setup procedure and switch settings of the IE-703002-MC when using the IE-703040-MCEM1 are described. For the names and functions of the parts of the IE-703002-MC, and for the connection of
elements, refer to the IE-703002-MC User’s Manual (U11595E).
1.1
Hardware Configuration
Optional
Optionalhardware
hardware
In-circuit emulator (IE-703002-MC)
Option board
(IE-703040-MC-EM1)
By adding this board, the IE-703002-MC can be used as in-circuit
emulator for V850/SV1.
Optional hardware
Note 1
Extension probe (SC-176SD
)
General-purpose extension probe made by TOKYO ELETECH
CORPORATION
PC interface board
IE-70000-xx-IF-B
IE-70000-xx-IF-C
IE-70000-PCI-IF
IE-70000-CD-IF-A
This board is used to connect the IE-703002-MC to a personal computer.
This board is inserted in the expansion slot of the personal computer.
Network module
(IE-70000-MC-SV3)
This module is used when a workstation controls the IE-703002-MC via
Ethernet™.
Power adapter
(IE-70000-MC-PS-B)
AC adapter for in-circuit emulator made by NEC Corporation.
xx: 98 (for PC-9800 series C bus)Note 2
PC (for IBM PC/AT™ or compatibles ISA bus)Note 2
IE-70000-PCI-IF: for PCI bus
IE-70000-CD-IF-A: for PCMCIA socket
Notes 1. For further information, contact Daimaru Kogyo Co., Ltd.
Tokyo Electronics Department (TEL +81-3-3820-7112)
Osaka Electronics Department (TEL +81-6-6244-6672)
2. Cannot be used for PC98-NX series
User’s Manual U14337EJ1V0UM00
11
CHAPTER 1 OVERVIEW
1.2
Features (When Connected to IE-703002-MC)
{ Maximum operating frequency: 20 MHz (at 3.3 to 5.0-V operation)
{ Extremely lightweight and compact
{ Higher equivalence with target device can be achieved by omitting buffer between signal cables.
{ The following pins can be masked.
RESET, NMI, WAIT, HLDRQ
{ Two methods of connection to target system:
• Pod tip direct connection (For information on the pod, refer to the IE-703002-MC User’s Manual (U11595E))
• Attach an extension probe (sold separately) to the pod tip for connection
{ The dimensions of the IE-703040-MC-EM1 are as follows.
Parameter
Value
Note
Power consumption (Max. value at 3.3-V supply voltage)
0.35 W (at 20-MHz operation frequency)
External dimensions
(Refer to APPENDIX PACKAGE
DRAWINGS)
Height
15 mm
Length
194 mm
Width
96 mm
Weight
160 g
Note 10.35 W when IE-703002-MC connected to IE-703040-MC-EM1
1.3
Function Specifications (When Connected to IE-703002-MC)
Parameter
Emulation memory capacity
Internal ROM
External
memory
Coverage memory capacity for
execution/pass detection
Specification
256 Kbytes
In ROM-less mode
2 Mbytes
When using iROM
1 Mbyte
Internal ROM
External
memory
256 Kbytes
In ROM-less mode
2 Mbytes
When using iROM
1 Mbyte
Coverage memory capacity for
memory access detection
External memory
1 Mbyte
Coverage memory capacity for
branching entry number counting
Internal ROM
256 Kbytes
Caution
12
External
memory
In ROM-less mode
2 Mbytes
When using iROM
1 Mbyte
Some of the functions may not be supported, depending on the debugger used.
User’s Manual U14337EJ1V0UM00
CHAPTER 1 OVERVIEW
1.4
System Configuration
The system configuration when connecting the IE-703002-MC to the IE-703040-MC-EM1 and a personal computer
(PC-9800 series or PC/ATTM (or compatibles)) is shown below.
Figure 1-1. System Configuration
<13>
<5>
<14>
<6>
<7>
[Magnified drawing: example of use of
connector for target connection]
<12>
<8>
<4>
<2>
<10>
Target
system
<11>
For PC-9800 series
<9>
<3>
<10>
For PC/AT or
compatibles
<11>
<1>
Target system
Remark
<1> Personal computer (PC-9800 series or PC/AT or compatibles)
<2> Debugger (sold separately)
<3> PC interface board
(IE-70000-98-IF-B/IE-70000-98-IF-C, IE-70000-PC-IF-B/IE-70000-PC-IF-C: sold separately)
<4> PC interface cable (included with IE-703002-MC)
<5> In-circuit emulator (IE-703002-MC: sold separately)
<6> In-circuit emulator option board (IE-703040-MC-EM1)
<7> External logic probe (included with IE-703002-MC)
<8> Socket for target connection (YQSOCKET176SDN: sold separately)
<9> Extension probe (SC-100SD: sold separately)
<10> Connector for emulator connection (YQPACK176SD: included)
<11> Connector for target connection (NQPACK176SD: included)
<12> Power adapter (IE-70000-MC-PS-B : sold separately)
<13> AC100-V power cable (sold separately: included with IE-70000-MC-PS-B)
<14> AC220-V power cable (sold separately: included with IE-70000-MC-PS-B)
User’s Manual U14337EJ1V0UM00
13
CHAPTER 1 OVERVIEW
1.5
Contents in Carton
The carton of the IE-703040-MC-EM1 contains a main unit, guarantee card, packing list, and accessory bag.
Make sure that the accessory bag contains this manual and the connector accessories. If there are missing or
damaged items, please contact an NEC sales representative or an NEC distributor.
Figure 1-2. Contents in Carton
<1> IE-703040-MC-EM1
<4> Packing list
<3> Guarantee card
<2> Accessory bag
<1> IE-703040-MC-EM1 × 1
<2> Accessory bag × 1
<3> Guarantee card × 1
<4> Packing list × 1
14
User’s Manual U14337EJ1V0UM00
CHAPTER 1 OVERVIEW
Check that the accessory bag contains this manual, an accessory list (× 1), and the following accessories.
(a) Connector for target connection (NQPACK176SD) × 1
(including NQGUIDE × 3, driver × 1)
(b) Connector for emulator connection (YQPACK176SD) × 1
(including YQGUIDE × 4)
(c) Crystal oscillator (20-MHz, 8-pin type)
(d) Plastic screws × 4
(including nuts and washer × 4)
(e) Jumper contact × 1
Figure 1-3. Accessories
(a) Connector for target connection (b) Connector for emulator connection (c) Crystal oscillator
NQPACK176SD
(Side view)
NQGUIDE
Driver
(d) Plastic screws
YQPACK176SD
(Side view)
YQGUIDE
(e) Jumper contact
Caution
NQPACK176SD is intended for laboratory use such as program development and evaluation.
User’s Manual U14337EJ1V0UM00
15
CHAPTER 1 OVERVIEW
1.6
Connection between IE-703002-MC and IE-703040-MC-EM1
The procedure for connecting the IE-703002-MC and IE-703040-MC-EM1 is described below.
Caution
Connect carefully so as not to break or bend connector pins.
<1> Remove the pod cover (upper and lower) of the IE-703002-MC.
<2> Replace the crystal oscillator mounted in the pod of the IE-703002-MC with the crystal oscillator supplied (20
MHz) or an arbitrary oscillator (user’s frequency).
<3> Set the PGA socket lever of the IE-703040-MC-EM1 to the OPEN position as shown in Figure 1-4 (b).
<4> Connect the IE-703040-MC-EM1 to the PGA socket at the back of the IE-703002-MC pod (refer to Figure 1-4
(c)). When connecting, position the IE-703002-MC and IE-703040-MC-EM1 so that they are horizontal.
<5> Set the PGA socket lever of the IE-703040-MC-EM1 to the CLOSE position as shown in Figure 1-4 (b).
<6> Set the IE-703002-MC pod jumpers (JP1 to JP4).
Open JP1 and JP3 (Remove the jumper contact and attach the removed jumper contact to one of the jumper
pins to avoid losing it.)
Retain the factory settings of JP2 (pins 1 and 2 shorted, and pins 5 and 6 shorted).
Short pins 2 and 3 of JP4.
<7> Fix the IE-703040-MC-EM1 between the IE-703002-MC pod covers (upper and lower) with the plastic screws
(supplied with the IE-703002-MC).
<8> Fix the IE-703002-MC pod cover (upper) end with nylon rivets.
Remark
For the JP1 setting, refer to 2.3 Illegal Access Detection ROM Setting. For JP3 and JP4, refer
to 2.4 CPU Operation Voltage Range Switch Setting.
16
User’s Manual U14337EJ1V0UM00
CHAPTER 1 OVERVIEW
Figure 1-4. Connection between IE-703002-MC and IE-703040-MC-EM1 (1/2)
(a) Overview
Nut
Upper cover
Washer
IE-703040-MC-EM1
Nylon rivets
IE-703002-MC
Lower cover
Plastic screw
(b) PGA Socket Lever of IE-703040-MC-EM1
CLOSE
OPEN
User’s Manual U14337EJ1V0UM00
17
CHAPTER 1 OVERVIEW
Figure 1-4. Connection between IE-703002-MC and IE-703040-MC-EM1 (2/2)
(c) Connecting part (IE-703040-MC-EM1)
Pin A1 position
: Insertion guide
: IE-703002-MC insertion area
18
User’s Manual U14337EJ1V0UM00
CHAPTER 2
NAMES AND FUNCTIONS OF COMPONENTS
This chapter describes the names, functions, and switch settings of components in the IE-703040-MC-EM1. For
the details of the pod, jumper, and switch positions, etc., refer to the IE-703002-MC User’s Manual (U11595E).
2.1
Component Names and Functions of IE-703040-MC-EM1
Figure 2-1. IE-703040-MC-EM1
(a) Top view
(b) Bottom view
Direction of pin 1 of connector
for target connection
VPP
Connector for target connection
TP5
LED
TP12
Direction of pin 1 of connector
for target connection
2
1
1
1 JP1 7 1 JP2 3
3
10
9
1 JP3 7 JP4
3
1
JP5
JP6
CPLD
V850/SV1
I/O chip
TP11
PROM
Connector for
IE-703002-MC connection
User’s Manual U14337EJ1V0UM00
19
CHAPTER 2
NAMES AND FUNCTIONS OF COMPONENTS
(1) TEST pins (TP5, TP11, TP12)
These are pins used for testing the analog signals of the standalone emulator.
• TP 5: GND
• TP 11: GND
• TP 12: GND
(2) JP1
This is a pin board for product check. Mount nothing on JP1.
(3) JP2, JP4
These are pin boards for product check. Use and retain the factory settings (pins 2 and 3 shorted) (For details,
refer to 2.2 Clock Settings)
(4) JP3
This is a pin board for supplying the subsystem clock. (For details, refer to 2.2 Clock Settings)
(5) JP5
This is a jumper for switching the main system clock supply source.
(6) JP6
This is a pin board for product check. Use and retain the factory settings (pins 1 and 2 shorted).
(7) LED
LED for VPP
ON: Voltage is applied to VPP
OFF: Voltage is not applied to VPP
(8) Connector for IE-703002-MC connection
This is a connector for connecting with the IE-703002-MC.
(9) Connector for target connection
This is a connector for connecting with the target system or the extension probe.
20
User’s Manual U14337EJ1V0UM00
CHAPTER 2
2.2
NAMES AND FUNCTIONS OF COMPONENTS
Clock Settings
This section describes the clock settings.
For the position of the JP1 and JP2 in the IE-703040-MC-EM1, refer to Figure 2-1.
For the jumper switch position in the IE-703002-MC, refer to the IE-703002-MC User’s Manual (U11595E).
2.2.1 Main system clock setting
Table 2-1. Main System Clock Setting
Emulator Use
Environment
Clock Supply Method
IE-703040-MC-EM1 Setting
JP1
When using
emulator as
standalone unit
Internal clock
When using
emulator with
target system
Internal clock
Target clock
Note
1
2
3
1
2
3
1
2
3
IE-703002-MC Setting
SW1
SW2
ON
ON
JP2
7
1
8
2
Note The target clock supports only an oscillator (X2 cannot be used because it is not connected in the
emulator).
Clock input by resonator is not supported.
User’s Manual U14337EJ1V0UM00
21
CHAPTER 2
NAMES AND FUNCTIONS OF COMPONENTS
2.2.2 Subsystem clock setting
Table 2-2. Subsystem Clock Setting
Emulator Use
Environment
Clock Supply Method
IE-703040-MC-EM1 Setting
JP3
When using emulator as
standalone unit
Internal clock
Note 1
Oscillator mounted (a 32.768-kHz oscillator is mounted when
Note 3
shipped)
When using emulator with
target system
Internal clock
Note 1
Oscillator mounted (a 32.768-kHz oscillator is mounted when
Note 3
shipped)
Target clock
Note 2
Note 4
Pins 3 and 4 of JP3 are shorted
1
2
3
4
5
6
7
JP3
Notes 1. The internal clock does not support the clock input by an oscillator.
2. The target clock supports only an oscillator (XT2 cannot be used because it is not connected in the
emulator).
Clock input by oscillator is not supported.
3. To use a subsystem clock frequency other than 32.768 kHz, remove the clock module on JP3 and
mount any oscillator.
The specifications of JP3 are as follows.
V850/SV1
I/O chip
XT1
Target
XT1
XT2
1
7
GND
C1
XT1
TG
XT2
C2 GND
4. Prepare the short pin.
22
User’s Manual U14337EJ1V0UM00
CHAPTER 2
2.3
NAMES AND FUNCTIONS OF COMPONENTS
Illegal Access Detection ROM Setting
If using the IE-703002-MC for an in-circuit emulator for the V850/SV1 by connecting the IE-703040-MC-EM1, set
JP1 of the IE-703002-MC as follows.
Table 2-3. JP1 Setting in IE-703002-MC
JP1
Description
Note
Open
Illegal access detection ROM (mounted on IE-703040-MC-EM1) for V850/SV1 is
used.
Note When JP1 is set open, keep the removed jumper contact attached to one pin
JP1
as shown in the drawing on the right.
Jumper
contact
2.4
CPU Operation Voltage Range Switching Setting
If using the IE-703002-MC for an in-circuit emulator for the V850/SV1 by connecting the IE-703040-MC-EM1, set
JP3 and JP4 of the IE-703002-MC as follows.
Table 2-4. JP3 and JP4 Setting in IE-703002-MC
JP3, JP4
Description
JP3
The operation voltage range of the IE-703002-MC is to 2 to 3.6 V
1
2
(Open)
JP4
1
The operation voltage range of the target system is 2 to 4.5 V.
(Use this setting since the operation voltage range of the V850/SV1 is 2 to 3.6 V.)
2
3
Caution
By settings of JP3, JP4 above, when the power supply of the target system is on, the IE-703002MC operates at the same voltage as the target system.
The IE-703002-MC always operates at 3.3 V when the power supply of the target system is off and
using emulator as standalone unit.
User’s Manual U14337EJ1V0UM00
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[MEMO]
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User’s Manual U14337EJ1V0UM00
CHAPTER 3
Item
JP1
Description
Remark
Pin board for product check
Oscillator not mounted
1
JP2
JP3
FACTORY SETTINGS
2
3
Jumper switch for product check
Oscillator mounted
32.768-kHz clock supplied for subsystem clock
JP4
1
2
3
Jumper switch for product check
JP5
1
2
3
Internal clock used for main system clock
JP6
Jumper switch for product check
2
10
1
9
User’s Manual U14337EJ1V0UM00
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[MEMO]
26
User’s Manual U14337EJ1V0UM00
CHAPTER 4
4.1
CAUTIONS
VDD and BVDD of Target System
(1) BVDD in the target system is not connected to BVDD in the evaluation chip in the IE-703002-MC.
The IE-703002-MC uses BVDD of the target system for the following purposes:
• Power ON/OFF detection of target system
• BVDD emulation of target system
(2) When the voltage of the target system is 1 V or higher, the evaluation chip in the emulator operates using the
supply of VDD from the target system. The power consumption is equivalent to that of the V850/SV1.
(3) When the voltage of the target system is lower than 1 V, the emulator recognizes the target system power is off
and operates at 3.3 V.
Figure 4-1. Schematic Diagram of Power Supply Acquisition
Target system
IE-703002-MC
IE-703040-MC-EM1
BVDD
Target voltage
emulation
V850/SV1
I/O chip
BVDD
VDD
Relay
BVDD ≥ 1 V
Evaluation chip
BVDD < 1 V
User’s Manual U14337EJ1V0UM00
27
CHAPTER 4
4.2
CAUTIONS
NMI Signal
The input signal (NMI signal) from the target system is delayed (tpD = 0.25 ns (TYP.)) because it passes through
QS3125 (Q switch) before it is input to the I/O chip of the emulator.
In addition, the DC characteristics change. The input voltage becomes VIH = 2.0 V (MIN.), VIL = 0.8 V (MAX.), and
the input current becomes IIN = ±0.5 µA (MAX.).
Figure 4-2. NMI Signal Flow Path
IE-703040-MC-EM1
Target system
4.3
NMI signal
NMI pin
QS3125
I/O chip
VPP Signal
The VPP signal from the target system is connected to LED via a 330-Ω resistor in the emulator.
connected to the evaluation chip in the emulator.
Figure 4-3. VPP Signal Flow Path
IE-703040-MC-EM1
Target system
28
VPP signal
330 Ω
LED
User’s Manual U14337EJ1V0UM00
Evaluation
chip
It is not
CHAPTER 4
4.4
CAUTIONS
NMI Signal Mask Function
When using the P00/NMI pin in the port mode, do not mask the NMI signal.
4.5
Bus Interface Pin
The operation of the pin for the bus interface differs between the emulator and the target device as follows.
Table 4-1. Bus Interface Pin Operation List (1/2)
(a) During break
Pin Name
Internal Memory
Memory Used by
Emulator
Internal
ROM
R
R
F
W
External Memory
Internal RAM
R
W
Internal
Peripheral I/O
R
Emulation RAM
W
R
Target System
W
R
W
A16 to A21
Hold the last accessed address
Active
Active
AD0 to AD15
Hi-Z
Active
Active
ASTB
H
Active
Active
R/W
H
Active
Active
DSTB
H
H
Active
LBEN
H
Active
Active
UBEN
H
Active
Active
WAIT
Invalid
Maskable
Maskable
HLDRQ
Maskable
Maskable
Maskable
HLDAK
H or L
H or L
H or L
WRL
H
H
H
Note
WRH
H
H
H
Note
RD
H
H
Note
H
Note Active
Remarks 1. F:
Fetch
R:
Read
W:
Write
2. H:
High-level output
L:
Low-level output
Hi-Z: High-impedance
User’s Manual U14337EJ1V0UM00
29
CHAPTER 4
CAUTIONS
Table 4-1. Bus Interface Pin Operation List (2/2)
(b) During run
Pin
Name
Internal Memory
Internal ROM
F
R
Internal RAM
F
R
External Memory
Internal
Peripheral I/O
W
R
Emulation RAM
W
F
R
Target System
W
F
R
W
A16 to
A21
Hold the last accessed address
Active
Active
AD0 to
AD15
Hi-Z
Active
Active
ASTB
H
Active
Active
R/W
H
Active
Active
DSTB
H
H
Active
LBEN
H
Active
Active
UBEN
H
Active
Active
WAIT
Invalid
Maskable
Maskable
HLDRQ
Maskable
Maskable
Maskable
HLDAK
H or L
H or L
H or L
WRL
H
H
H
Note
WRH
H
H
H
Note
RD
H
H
Note
H
Note Active
Remarks 1. F:
Fetch
R:
Read
W:
Write
2. H:
High-level output
L:
Low-level output
Hi-Z: High-impedance
30
User’s Manual U14337EJ1V0UM00
APPENDIX
PACKAGE DRAWINGS
IE-703002-MC + IE-703040-MC-EM1 (Unit: mm)
481
103
212
58.8
90
166
Top view
52
Pin 1 direction
Side view
27
IE-703002-MC
IE-703040-MC-EM1
Bottom view
194
33.0
96
37.5
14.5
Top view
33.0
User’s Manual U14337EJ1V0UM00
31
[MEMO]
32
User’s Manual U14337EJ1V0UM00
[MEMO]
User’s Manual U14337EJ1V0UM00
33
[MEMO]
34
User’s Manual U14337EJ1V0UM00
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CS 99.1