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7.2 User System Interface
All user system interface signals are directly connected to the MCU in the emulator with no buffering except for
those listed below which are connected to the MCU through control circuits:
• NMI
• RESET
• MD2, MD1, MD0
• XTAL
• EXTAL
• STBY
• WAIT
7.2.1 Signal Protection
All user system interface signals are protected from over- or under-voltage by use of diode arrays except for the
AVcc and Vref.
The Vcc pins (except for the AVcc pin) at the head of the user system interface cable are connected together.
The emulator monitors the voltage level of the Vcc pins and displays the power-supply status in the [Extended
Monitor] window.
7.2.2 User System Interface Circuits
The interface circuit between the MCU in the emulator and the user system has a signal delay of about 8 ns due
to the user system interface cable. And high-impedance signals will be pulled up to the high level by pull-up
resistors. When connecting the emulator to a user system, adjust the user system hardware to compensate for
propagation delays.
Default:
47 k
User system
interface cable
MCU
47
Vcc
Figure 7.1 Default User System Interface Circuit
Mode Pins (MD2, MD1 and MD0), NMI, STBY and RESET: The NMI signal is input to the MCU through
the emulator control circuit. The rising/falling time of the NMI signal must be 8 ns/V or less. The mode pins are
only monitored. The CPU mode depends on the configuration settings of the HEW.
47 k
User system
interface cable
Emulator
control
circuit
47
Vcc
Ω
Ω
Figure 7.2 User System Interface Circuit for MD2, MD1, MD0, NMI, STBY, and RESET
- To our customers 1
- H8S/2628 E6000 3
- Cautions 5
- IMPORTANT INFORMATION 7
- LIMITED WARRANTY 8
- DISCLAIMER 8
- SAFETY PAGE 10
- CAUTION 12
- Introduction 13
- About This Manual 14
- Contents 15
- HEW Part 25
- 1. Overview 27
- 1.2 The Main Window 28
- 1.3 The Help System 35
- 1.4 Launching the HEW 36
- 1.5 Exiting the HEW 36
- 2. Build Basics 37
- 2.2 Project Files 38
- .SRC .ASM .MAR .C .LIB .LPF 44
- 2.5 Build Configurations 50
- 2.6 Building a Project 53
- 2.7 File Dependencies 56
- 3. Advanced Build Features 63
- 3.3 Ordering Build Phases 69
- 3.5 File Mappings 78
- 3.6 Controlling the Build 80
- 3.7 Logging Build Output 81
- 3.10 Generating a Makefile 84
- 4. Using the Editor 85
- 4.4 Editing a File 91
- 4.6 Bookmarks 96
- 4.7 Printing a File 96
- 4.8 Configuring Text Layout 97
- 4.9 Splitting a Window 100
- 4.10 Configuring Text 101
- 4.11 Syntax Coloring 102
- 4.12 Templates 104
- 5. Tools Administration 109
- 5.1 Tool Locations 110
- 5.3 Registering Components 111
- 5.4 Unregistering Components 112
- 5.8 Custom Project Types 118
- 6.1 Customizing the Toolbar 119
- 6.6 Customizing File Save 129
- 7. Version Control 133
- 8.3 Specifying Arguments 144
- 8.4 Controlling Execution 152
- 9. Using Visual SourceSafe 155
- Emulator Debugger Part 161
- Section 1 Overview 163
- 1.2 Warnings 164
- 1.3 Environmental Conditions 165
- 2.1 Emulator Preparation 167
- User system interface 168
- IC socket 168
- Emulator 169
- User system interface cable 169
- 2.4 Power Supply 170
- 2.5 SIMM Memory Module 170
- 2.6 Hardware Interface 171
- Trigger output 172
- 2.7 System Check 174
- Figure 2.17 HEW Window 177
- 2.8 Communication Problems 178
- 3.1 Debugging Features 179
- 3.3 Hardware Features 181
- 3.4 Stack Trace Function 182
- 3.5 Online Help 182
- 4.4 Debugger Sessions 196
- 4.6 Ending the Emulator 201
- Section 5 Debugging 203
- [General] page 204
- 5.2 Downloading a Program 209
- 5.4 Viewing the Registers 217
- 5.5 Operating Memory 219
- 5.6 Viewing the I/O Memory 227
- 5.10 Viewing the Labels 236
- 5.11 Executing Your Program 241
- 5.12 Stopping Your Program 245
- 5.13 Elf/Dwarf2 Support 247
- 5.14 Viewing the Variables 251
- 5.15 Using the Event Points 258
- 5.20 Analyzing Performance 315
- Section 6 Tutorial 327
- 6.2 Running the HEW 328
- 6.5 Setting Registers 332
- 6.6 Executing the Program 333
- 6.7 Reviewing Breakpoints 335
- 6.8 Referring to Symbols 336
- 6.9 Viewing Memory 337
- 6.10 Watching Variables 338
- 6.14 Resetting the MCU 346
- 6.15 Break Function 347
- 6.16 Trace Functions 353
- 6.17 Stack Trace Function 368
- 6.19 Monitor Function 372
- 6.20 What Next? 376
- 7.2 User System Interface 378
- Debugging Platform Remark 381
- [Custom Device] page 386
- [Custom Device] page (cont) 387
- 8.1.11 Trace Information 392
- Appendix A Troubleshooting 399
- Appendix C Placeholders 403
- C.3 Available Placeholders 405
- C.4 Placeholder Tips 407
- Appendix D I/O File Format 409
- Appendix F Menus 415
- Table F.1 GUI Menus (cont) 416
- Appendix G Command Lines 419
- Message Description 425
- H8S/2628 E6000 Emulator 430
- User’s Manual 430
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