Renesas M34570T-MCU User Manual
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User’s Manual
M34570T-MCU
User’s Manual
MCU Board for PC4504 Emulator System
Rev.1.00 2003.09
MS-DOS is a registered trademark of Microsoft Corporation.
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malfunction or mishap.
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Keep safety first in your circuit designs!
Notes regarding these materials
• This product is a development supporting unit for use in your program development and evaluation stages. In mass-producing your
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integration test, evaluation, or some experiment else.
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For inquiries about the contents of this document or product, fill in the text file the installer of the emulator debugger generates in the
following directory and email to your local distributor.
\SUPPORT\Product-name\SUPPORT.TXT
Renesas Tools Homepage http://www.renesas.com/en/tools
Precautions to be taken when using this product
( 2 / 34 )
Contents
Preface ....................................................................................................................................4
1. Precautions for Safety.........................................................................................................5
1.1 Safety Symbols and Meanings ..............................................................................5
2. Handling Precautions..........................................................................................................9
3. Contents of the M34570T-MCU Package ........................................................................11
3.1 Things to Check When Unpacking .....................................................................11
3.2 Other Necessary Products ...................................................................................11
4. M34570T-MCU................................................................................................................13
4.1 Outline.................................................................................................................13
4.2 Specifications ......................................................................................................14
4.3 Description of Switches ......................................................................................15
4.4 Description of Connectors...................................................................................16
4.5 Connection to the Target System ........................................................................19
4.6 LED .....................................................................................................................21
5. Precautions to be Taken When Debugging ......................................................................23
5.1 Reset ....................................................................................................................23
5.2 System Clock ......................................................................................................23
5.3 Real-time Capability of Timer ............................................................................23
5.4 Watchdog Timer..................................................................................................24
5.5 Low-voltage Detection........................................................................................24
5.6 P0, P1 Port Pullup ...............................................................................................24
5.7 Port I/O Timing ...................................................................................................25
5.8 Power-down Mode ..............................................................................................26
5.9 Program Execution (G, GB)................................................................................27
5.10 External Trigger ................................................................................................29
6. Connection Circuit Diagram.............................................................................................31
Appendix A ..........................................................................................................................32
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Preface
This user's manual describes the specifications of the M34570T-MCU emulator board for Renesas
4570 group of 4-bit single-chip microcomputers. M34570T-MCU is an MCU board for the PC4504
emulator. For the PC4504 emulator main unit and the M3T-PD45 emulator debugger, refer to each
user's manual.
To use the product properly
Precautions for Safety
• In both this User's Manual and on the product itself, several icons are used to insure
proper handling of this product and also to prevent injuries to you or other persons,
or damage to your properties.
• The icons' graphic images and meanings are given in "Chapter 1. Precautions for
Safety". Be sure to read this chapter before using the product.
( 4 / 34 )
1. Precautions for Safety
In both the user's manual and on the product itself, several icons are used to insure proper handling
of this product and also to prevent injuries to you or other persons, or damage to your properties.
This chapter describes the precautions which should be taken in order to use this product safely and
properly. Be sure to read this chapter before using this product.
1.1 Safety Symbols and Meanings
WARNING
CAUTION
IMPORTANT
In addition to the three above, the following are also used as appropriate.
If the requirements shown in the "WARNING"
sentences are ignored, the equipment may
cause serious personal injury or death.
If the requirements shown in the "CAUTION"
sentences are ignored, the equipment may
malfunction.
It means important information on using this
product.
means WARNING or CAUTION.
Example: CAUTION AGAINST AN ELECTRIC SHOCK
means PROHIBITION.
Example: DISASSEMBLY PROHIBITED
means A FORCIBLE ACTION.
Example:
The following pages describe the symbols "WARNING", "CAUTION", and "IMPORTANT".
UNPLUG THE POWER CABLE FROM THE RECEPTACLE.
( 5 / 34 )
WARNING
Warning for Installation:
• Do not set this product in water or areas of high humidity. Make sure that the main unit does not
get wet. Spilling water or some other liquid into the main unit can cause an unrepairable damage.
Warning for Use Environment:
• This equipment is to be used in an environment with a maximum ambient temperature of 35°C. Care
should be taken that this temperature is not exceeded.
CAUTION
Cautions to Be Taken for This Product:
• Do not disassemble or modify this product. Disassembling or modifying this product can cause
damage. Disassembling and modifying the product will void your warranty.
• Use caution when handling the main unit. Be careful not to apply a mechanical shock.
• Do not pull the emulator probe (80-wire half-pitch cable or 40-wire normal-pitch cable) to
disconnect from the emulator main unit.
•Do not use inch-size screws for this equipment. The screws used in this equipment are all ISO
(meter-size) type screws. When replacing screws, use same type screws as equipped before.
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IMPORTANT
Notes on Differences between Actual MCU and Emulator:
• Emulator operation differs from emulation of a mask MCU, as listed below. For details refer to
"Chapter 5. Precautions to be Taken When Debugging".
(1) Reset condition
(2) Initial values of internal resource data at power-on
(3) Internal ROM and RAM capacities, etc.
(4) Electrical characteristics
(5) Operation in the power-down mode
(6) Operation of the watchdog timer function
• Therefore, always be sure to evaluate your system with an evaluation MCU (onetime version).
Also, be sure to perform board-mounted evaluation with ES (Engineering Sample) version MCU
to make final confirmation of device operation before starting mask production.
Note on the Target System:
• The operating voltage of the M34570T-MCU is +3.0 V or +5.0 V. Therefore the target's supply
voltage should be in the range of +3.0V ±10% or 5.0V ±10%.
Notes on Connecting the Target System:
• When connecting the emulator probe, be careful to the wrong connection.
• When connecting the emulator probe, be careful to the warp of the cable. The warp may cause
breaking the wire.
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MEMO
( 8 / 34 )
2. Handling Precautions
When using the M34570T-MCU board, pay attention to the following:
(1) About the emulator
To use the M34570T-MCU board, you always need to install it on the PC4504 emulator main unit.
(2) About the MCU board installation
Before installing (and removing) the MCU board, always be sure to power off the PC4504
emulator main unit and unplug its power cord from the outlet. For details on how to install and
remove the MCU board, see "Chapter 2. Setup" in the PC4504 System User's Manual.
(3) Emulator debugger
When using the M34570T-MCU board to debug your program, you need the M3T-PD45
emulator debugger (sold separately). Be sure to use the data file for 4570 group included with the
M3T-PD45 emulator debugger.
(4) Registers that can be operated from M3T-PD45
Table 2.1 lists the registers that can be operated from M3T-PD45 for 4514 group MCUs. The "O"
mark in the table means that the register can be operated; the "X" mark means that the register can
not be operated.
Table 2.1 Registers that can be operated from M3T-PD45
Register Reference Modification Register Reference Modification
PC O O W1 O O
CY O O W2 O O
AO OW3OO
BO OW5OO
XO OC2XO
YO OS1OO
ZO OPU0 O O
DO OK0OO
EO OMROO
SP O X R1 X O
V1 O O R2 X O
V2 O O R3L X O
I1 O O R3H X O
(5) About the system clock frequency
When setting bit 3 in the clock control register MR to "0" (high-speed mode, system clock = f
(X
IN)), the system clock frequency should be in the following ranges.
• 3V: XIN ≤ 1.0MHz
• 5V: XIN ≤ 2.0MHz
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