Renesas Network Card M34282T5 OPT User Guide

M34282T5-OPT  
MCU Board for PC4400 Emulator System  
User's Manual  
Rev.1.00  
September 1, 2003  
REJ10J0272-0100Z  
 
Contents  
Preface ....................................................................................................................................4  
1. Precautions for Safety.........................................................................................................5  
1.1 Safety Symbols and Meanings ..............................................................................5  
2. Handling Precautions..........................................................................................................9  
2.1 Handling Precautions ............................................................................................9  
3. Contents of M34282T5-OPT Package .............................................................................11  
3.1 Package Components of M34282T5-OPT ..........................................................11  
3.2 Other Necessary Products ...................................................................................11  
4. M34282T5-OPT ...............................................................................................................13  
4.1 Outline .................................................................................................................13  
4.2 Specifications ......................................................................................................14  
4.3 Switches ..............................................................................................................15  
4.4 Check Pins...........................................................................................................17  
4.5 Connectors...........................................................................................................17  
4.6 Connecting MCU Board to Target System .........................................................20  
4.7 LED .....................................................................................................................22  
5. Precautions to Be Taken When Debugging......................................................................23  
5.1 Reset ....................................................................................................................23  
5.2 Capacity of Internal Memory (ROM, RAM) ......................................................23  
5.3 Watchdog Timer..................................................................................................23  
5.4 System Clock ......................................................................................................24  
5.5 Real-time Capability of Timer ............................................................................24  
5.6 Power-down Mode ..............................................................................................24  
5.7 Program Execution (G, GB)................................................................................25  
5.8 Pulldown Transistor Control ...............................................................................27  
5.9 Port I/O Timing ...................................................................................................27  
5.10 Port I/O Characteristics .....................................................................................28  
5.11 External Trigger ................................................................................................29  
5.12 Other Precautions ..............................................................................................29  
6. LED of PC4000E..............................................................................................................31  
6.1 LED Indication at Emulator Startup ...................................................................31  
6.2 LED Indication during Emulator Operation .......................................................31  
7. M34282T5-OPT Connection Circuit Diagram.................................................................33  
8. External Dimensions of Emulator Probe ..........................................................................35  
8.1 20-pin Pin Header ...............................................................................................35  
Appendix A ..........................................................................................................................36  
( 3 / 38 )  
 
Preface  
This instruction manual describes the specifications of the M34282T5-OPT emulator board for  
Renesas 4282 Group of 4-bit CMOS single-chip MCUs. The M34282T5-OPT is the MCU board for  
the PC4400 emulator system connected to the PC4000E emulator main unit and used with a control  
board and a function expansion board.  
To use the product properly  
Precautions for Safety:  
• Both in 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 / 38 )  
 
1. Precautions for Safety  
Both in this instruction manual and on the product, 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 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  
If the requirements shown in the "WARNING"  
sentences are ignored, the equipment may  
cause serious personal injury or death.  
WARNING  
CAUTION  
If the requirements shown in the "CAUTION"  
sentences are ignored, the equipment may  
malfunction.  
It means important information on using this  
product.  
IMPORTANT  
In addition to the three above, the following are also used as appropriate.  
means WARNING or CAUTION.  
Example:  
CAUTION AGAINST AN ELECTRIC SHOCK  
means PROHIBITION.  
Example:  
DISASSEMBLY PROHIBITED  
means A FORCIBLE ACTION.  
Example:  
UNPLUG THE POWER CABLE FROM THE RECEPTACLE.  
The following pages describe the symbols "WARNING", "CAUTION", and "IMPORTANT".  
( 5 / 38 )  
 
WARNING  
Warning for Installation:  
• Do not set this product in water or areas of high humidity. 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.  
• Use caution when handling the main unit. Be careful not to apply a mechanical shock.  
• Do not pull the pod probe by the cables (40-wire half-pitch cable or 20-wire normal-pitch cable).  
• 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.  
( 6 / 38 )  
 
IMPORTANT  
Notes on Difference between Actual MCU and Emulator:  
• Emulator operation differs from that of a mask MCU as listed below. For details refer to "5.  
Precautions to Be Taken When Debugging".  
(1) Reset condition  
(2) Initial values of internal resource data at power-on  
(3) Internal memory (ROM and RAM) capacities, etc.  
(4) System clock  
(5) Operation of the watchdog timer function  
(6) Real-time capability of timer  
(7) Operation in power-down mode  
(8) Pulldown transistor control  
(9) Port I/O timing and characteristics  
(10) Low-power detection function  
• Therefore, always be sure to evaluate your system with an evaluation MCU (OTP 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 Target System:  
• The operation voltage of the M34282T5-OPT is +3.0 V. Therefore the target's supply voltage  
should be in the range of +3.0 V ±10%.  
Note on System Clock:  
• The maximum operating frequency of the M34282T5-OPT is 4.0 MHz (STCK = f(XIN)/8) or 500  
kHz (STCK = f(XIN)). When the instruction clock is set to f(XIN), set the system clock frequency  
of the M34282T5-OPT to 500 kHz or less.  
Notes on Connecting Target System:  
• When connecting the target system, be sure to shut OFF the power of the emulator and target  
system.  
• When connecting the emulator probe, be careful of its orientation.  
• When connecting the emulator probe, be careful of a warp of the cable. The warp may cause a break  
in the wire.  
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MEMO  
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2. Handling Precautions  
2.1 Handling Precautions  
When using the M34282T5-OPT board, pay attention to the following:  
(1) About an emulator system  
To configure the emulator system with the M34282T5-OPT, the following products are required.  
a. Emulator main unit (PC4000E)  
This is an universal emulator main unit for the 720 Series.  
b.Emulator card cage (PC4400)  
This is an emulator card cage to contain the emulator main unit, control board, function  
extension board and M34282T5-OPT board.  
c. Control board (PCA4400A)  
This is an emulator control board for the PC4400 system. The PCA4400A allows the user to  
control program execution and reference/change contents of memory, as well as control break  
functions etc. of the PC4400 system.  
d.Function extension board (PCA4400R)  
This is used by inserting into the PC4400, and allows the user to control real-time trace, program  
execution time measurement, coverage analysis, etc. of the PC4400 system.  
e. Power supply  
As the PC4400 emulator system does not contain the power supply, the M34282T5-OPT should  
be powered separately by an external power supply such as a switching power supply or a  
stabilized power supply. For an external power supply, chose the one which suit to the  
specifications below.  
- For +5 V:  
- For +12 V:  
3.0 A or over  
0.1 A or over  
f. Emulator debugger (RTT72)  
This consists of assembler and emulator debugger for the 720 Series. The RTT72 is used with  
data files for 4282 Group.  
For details, refer to the user's manual of RTT72.  
(2) About the MCU board installation  
Before installing (and removing) the MCU board, always be sure to power off the PC4000E  
emulator main unit and unplug its power cord from the outlet.  
(3) Registers that can be operated from the RTT72  
Table 2.1 lists the registers that can be operated from the RTT72. The "Yes" means that the register  
can be operated; "No" means that the register can not be operated.  
Table 2.1 Registers that can be operated from RTT72  
Register  
Reference  
Yes  
Modify  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Register  
V1  
Reference  
Modify  
Yes  
PC  
CY  
A
No  
No  
No  
No  
No  
Yes  
V2  
Yes  
Yes  
LO  
Yes  
B
Yes  
PU0  
PU1  
Yes  
D
No  
Yes  
E
Yes  
X
Yes  
Y
Yes  
*: "0" is always indicated when referencing the register Z.  
( 9 / 38 )  
 
MEMO  
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3. Contents of M34282T5-OPT Package  
3.1 Package Components of M34282T5-OPT  
Table 3.1 shows the package components of the M34282T5-OPT. When unpacking your package,  
check to see that all of these components are included.  
Table 3.1 Contents of M34282T5-OPT  
Item  
Quantity  
M34282T5-OPT  
1
1
1
1
1
1
1
1
1
40-wire half-pitch cable (40 cm)  
20-wire normal-pitch cable (10 cm)  
2-wire cable for external trigger signal (50 cm)  
PCA4029 pitch converter board  
Oscillator board OSC-2 (500 kHz)  
Oscillator board OSC-2 (only J1 connector mounted)  
M34282T5-OPT Instruction manual (this manual)  
M34282T5-OPT Instruction Manual (Japanese)  
*1 The M34282T5-OPT has a 4MHz oscillator circuit board OSC-2 that is incorporated when  
shipped from the factory. In addition, an oscillator circuit board OSC-2 for 500 kHz and an  
oscillator circuit board OSC-2 on which only J1 connector mounted are included.  
*2 Keep the packaging carton and cushion material of the M34282T5-OPT to transport it for repair  
or for other purposes in the future.  
*3 If you find any item missing or faulty, or any suggestion, contact your local distributor.  
3.2 Other Necessary Products  
To bring forward program development on the 4282 Group of 4-bit MCUs, the products listed in  
Table 3.2 are necessary in addition to those contained in the package above. Get them separately to  
be ready when necessary.  
Table 3.2 Products required for program development on the 4282 Group MCUs  
PC4000E (emulator main unit)  
PC4400 (emulator card cage)  
Emulator system  
PCA4400A (control board)  
PCA4400R (function expansion board)  
RTT72  
Emulator debugger  
Serial programmer*  
MSP-II  
EFP-I (PROM & FLASH programmer main unit)  
EF1SRP-01U (unit for serial writing)  
Cable for connecting the target (3-line type)  
MS4238-20F (for 20P2N-A package)  
MS4280-20G (for 20P2E/F-A package)  
PROM & FLASH programmer*  
PROM programming adapters*  
* The serial programmers and PROM programming adapters in Table 3.2 are products of Suisei  
Electronics System Co., Ltd. For inquiries about these products, contact Suisei Electronics  
System Co., Ltd.  
Suisei Electronics System Co., Ltd.  
Tsurumi 6-5-24, Tsurumi-ku, Osaka 538-0053, JAPAN  
Tel: +81-6-913-4531  
Fax: +81-6-913-4534  
( 11 / 38 )  
 
MEMO  
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4. M34282T5-OPT  
4.1 Outline  
By using with the PC4400 emulator for the 720 Series, the M34282T5-OPT can make up an emulator  
system which can be operated by a personal computer.  
Figure 4.1 shows the emulator system configuration.  
Figure 4.1 Emulator system configuration  
* For how to connect to the target system, refer to "4.6 Connecting MCU Board to Target System"  
(page 20).  
( 13 / 38 )  
 
4.2 Specifications  
Table 4.1 lists specifications of the M34282T5-OPT.  
Table 4.1 Specifications of M34282T5-OPT  
4282 Group MCUs  
Applicable MCU  
Evaluation MCU  
M34282E2GP (on board)  
System clock 4 MHz (using OSC-2 [4 MHz])*  
Maximum operating  
clock frequency  
4.0 MHz (STCK=f(XIN)/8)  
VDD = 3 V  
500 kHz (STCK=f(XIN))  
Target system  
supply voltage  
3 V  
Power supply  
Port emulation  
Supplied from the PC4400 (+5 V, +12 V)  
Port  
D0 to D3  
D4 to D7  
G0 to G3  
E0  
Output type  
Direction  
Output  
Device used  
Input: 74HC541  
Output: TD62787  
P-channel  
open drain  
Input/output  
E1  
Input: 74HC4066  
Output: 74HC4066  
E2  
-
Input  
CARR  
CMOS  
Output  
Output: 74VHC08  
Board dimensions 233 mm (L) x 120 mm (W) x 26.0 mm (H)  
Operating temperature 5 to 35°C (no dew)  
M34282T5-OPT  
40-wire half-pitch cable  
Product  
configuration  
20-wire normal-pitch cable  
External trigger cable  
PCA4029  
OSC-2 x2 (for 500 kHz, for changing the frequency)  
* The M34282T5-OPT has a 4MHz oscillator circuit board OSC-2 that is incorporated when  
shipped from the factory. In addition, an oscillator circuit board OSC-2 for 500 kHz and an  
oscillator circuit board OSC-2 on which only J1 connector mounted are included.  
( 14 / 38 )  
 
4.3 Switches  
Figure 4.2 shows the locations of switches of the M34282T5-OPT and Tables 4.2 and 4.3 list the  
functions of each switch and its factory-settings.  
Figure 4.2 Switch locations  
Table 4.2 Functions of switches (1/2)  
Switch  
Switch setting  
Description  
Factory-setting  
VDD  
ON  
Does not output the VDD from the  
M34282T5-OPT to the target system.  
OFF  
ON  
L
OFF  
OFF  
SW1  
OFF  
VDD  
ON  
Outputs the VDD from the M34282T5-  
OPT to the target system.  
CPUSE0  
H
Sets the ROM type of MCU.  
For M1: "L"  
L
SW2  
SW3  
CPUEL0  
H
For M2: "H"  
H
H
H
L
CPUSEL1  
H
This switch is not used.  
Do not change the CPUSEL1 setting.  
H
L
OFF  
The pulldown resistors of ports G0  
and G1 are OFF.  
OFF  
ON  
ON  
SW4  
OFF  
OFF  
The pulldown resistors of ports G0  
and G1 are ON.  
ON  
( 15 / 38 )  
 
Table 4.3 Functions of switches (2/2)  
Switch  
Switch setting  
OFF  
Description  
Factory-setting  
The pulldown resistors of ports G2  
and G3 are OFF.  
OFF  
ON  
ON  
SW5  
OFF  
OFF  
The pulldown resistors of ports G2  
and G3 are ON.  
ON  
OFF  
The pulldown resistor of port D4 is  
OFF.  
OFF  
ON  
ON  
SW6  
SW7  
SW8  
SW9  
SW10  
OFF  
OFF  
The pulldown resistor of port D4 is  
ON.  
ON  
OFF  
The pulldown resistor of port D5 is  
OFF.  
OFF  
ON  
ON  
OFF  
OFF  
The pulldown resistor of port D5 is  
ON.  
ON  
OFF  
The pulldown resistor of port D6 is  
OFF.  
OFF  
ON  
OFF  
OFF  
OFF  
OFF  
The pulldown resistor of port D6 is  
ON.  
ON  
ON  
OFF  
The pulldown resistor of port D7 is  
OFF.  
OFF  
ON  
OFF  
The pulldown resistor of port D7 is  
ON.  
ON  
OFF  
ON  
ON  
OFF  
The pulldown resistor of port E0 is  
OFF.  
ON  
OFF  
The pulldown resistor of port E0 is  
ON.  
ON  
( 16 / 38 )  
 
4.4 Check Pins  
The M34282T5-OPT has the check pins listed in Table 4.4.  
Table 4.4 Check pins  
Pin  
Description  
TP1  
TP2  
VDD  
XIN  
Outputs power voltage +3 V to the evaluation MCU.  
Outputs system clock input to the evaluation MCU.  
Outputs "H" level when executing WRST instruction.  
TP4  
TP5  
WRST By observing pulse width, it is possible to confirm the initializing cycle of the  
watchdog timer.  
GND  
GND  
4.5 Connectors  
Table 4.5 lists the functions of connectors of the M34282T5-OPT. Figure 4.3 shows the connector  
locations.  
Table 4.5 Connector list  
Connector  
Description  
J1  
J2  
J3  
J4  
J5  
Connects the evaluation MCU bus.  
Connects the monitor CPU bus.  
Connects the target system (40-pin).  
Connects external trigger signal (2-pin).  
Connects the oscillator board (4-pin).  
Figure 4.3 Connector locations  
( 17 / 38 )  
 
(1) Connector J3  
Table 4.6 lists the pin assignments of 40-wire half-pitch connector (J3) for connecting the  
PCA4029. And Figure 4.4 shows the J3 connector pin layout.  
Table 4.6 40-wire half-pitch connector (J3) for connecting PCA4029  
Line A  
Line B  
Line C  
Line D  
Pin No. Signal  
I/O Pin No. Signal  
I/O Pin No. Signal  
I/O Pin No. Signal  
I/O  
O
1
2
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
1
2
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
1
2
VSS  
E2  
O
I
1
2
VDD  
CARR  
D0  
O
3
3
3
E1  
I/O  
-
3
O
4
4
4
XIN  
XOUT  
E0  
4
D1  
O
5
5
5
-
5
D2  
O
6
6
6
I/O  
I/O  
I/O  
I/O  
I/O  
6
D3  
O
7
7
7
G0  
7
D4  
I/O  
I/O  
I/O  
I/O  
8
8
8
G1  
8
D5  
9
9
9
G2  
9
D6  
10  
10  
10  
G3  
10  
D7  
* "I" in the I/O column denotes "Input"; "O" denotes "Output"; "I/O" denotes "Input/output"; "-"  
denotes "Not connected".  
Figure 4.4 J3 connector pin layout  
(2) J4 connector  
For the J4 connector, use the 2-wire external trigger signal cable included with your M34282T5-  
OPT board. Connect the black clip to GND and the white clip to the external trigger signal input.  
An external trigger signal is used to cause an external trigger break or set an external trigger-  
based trace point. Table 4.7 lists the pin assignments of the J4 connector.  
Table 4.7 Pin assignments of J4 connector  
Pin No.  
Signal  
TRIG  
GND  
Description  
External trigger signal input  
GND  
1
2
( 18 / 38 )  
 
(3) J5 connector  
The J5 connector is a connector used to connect an oscillator board (OSC-2). Table 4.8 lists the  
pin assignments of the J5 connector. Figure 4.5 shows the pin layout of the J5 connector. For the  
4.0MHz operation with the OSC-2 oscillator board, see Figure 4.6.  
Table 4.8 Pin assignments of J5 connector  
Pin No.  
Signal  
VCC  
Description  
Power supply  
GND  
1
2
3
4
GND  
CLK  
Clock input  
GND  
GND  
Figure 4.5 Pin layout of J5 connector  
Figure 4.6 Circuit diagram of OSC-2 (4.0 MHz)  
( 19 / 38 )  
 
4.6 Connecting MCU Board to Target System  
Figure 4.7 shows the connection to the target system using the 20-wire normal-pitch cable.  
Connect the M34282T5-OPT with the IC socket for 2.54-mm-pitch 20-pin DIP (e.g. IC26-2003-GS4:  
made by Yamaichi Electronics Co., Ltd.) on the target system using the included 20-wire normal-pitch  
flat cable.  
However, the M34282T5-OPT cannot be connected to the foot pattern of the MCU package (20P2N-  
A or 20P2E/F-A).  
For this connection, you need three accessory parts listed below:  
(1) 40-wire half-pitch cable (40 cm)  
(2) Pitch converter board PCA4029  
(3) 20-wire normal-pitch cable (10 cm)  
Table 4.9 lists the connector signal assignments of the 20-wire normal-pitch cable. Figure 4.8 shows  
the pin layout of the 20-wire normal-pitch cable.  
Figure 4.7 Connecting target system  
( 20 / 38 )  
 
Table 4.9 20-wire normal-pitch cable pin assignments  
20-wire normal-pitch cable  
1
2
VSS  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
VDD  
CARR  
D0  
E2  
3
E1  
4
XIN (not connected)  
D1  
5
XOUT (not connected)  
D2  
6
E0  
G0  
G1  
G2  
G3  
D3  
7
D4  
8
D5  
9
D6  
10  
D7  
*1 The VDD does not input the power supply voltage from the target system, but outputs from the  
power circuit on the M34282T5-OPT to the target system.  
The VDD can output by setting the switch SW1. For how to set the switches, refer to "4.3 Switches"  
(page 15).  
*2 XIN is input from the oscillator circuit board OSC-2 and cannot be input from the oscillator circuit  
board on the target system.  
When changing the system clock frequency, change the frequency of the oscillator circuit board  
OSC-2 to use.  
Figure 4.8 Pin layout of 20-wire normal-pitch cable  
( 21 / 38 )  
 
An evaluation MCU on the M34282T5-OPT and the target system are connected as shown below.  
(1) Pin connected directly to the target system (1 type, 1 line)  
• VSS  
(2) Pins connected to the target system via emulation circuits etc. (5 types, 17 lines)  
• G0 to G3  
• D0 to D7  
• E0 to E2  
• CARR  
• VDD  
(3) Pins not connected to the target system (2 types, 2 lines)  
• XIN  
• XOUT  
* With the M34282T5-OPT, XIN and XOUT pins are not connected to the target system. Therefore,  
when changing the system clock frequency, change the frequency of the oscillator circuit board  
OSC-2.  
4.7 LED  
Figure 4.9 shows the LED layout of M34282T5-OPT. The LED lights in green when the power is  
supplied to the MCU board.  
Figure 4.9 Layout of LED  
( 22 / 38 )  
 
5. Precautions to Be Taken When Debugging  
5.1 Reset  
The M34282T5-OPT can be reset by the reset command of emulator debugger RTT72, but cannot  
emulate device operation at power-on reset. Use an evaluation MCU (OTP version) to verify the  
operation associated with power-on reset.  
5.2 Capacity of Internal Memory (ROM, RAM)  
The M34282T5-OPT is equipped with the M34282E2GP as an evaluation MCU. The RAM and  
ROM areas that can be referenced by emulator debugger RTT72 are specified by switches SW2 and  
SW3 as listed in Table 5.1.  
Table 5.1 Memory areas that can be referenced by emulator debugger RTT72  
Switch setting  
RAM area  
ROM area  
SW3  
"H"  
SW2  
00h - 0Bh  
000h - 3FFh  
(9 bits x 1024 words)  
10h - 1Bh  
20h - 2Bh  
30h - 3Bh  
"L"  
(4 bits x 48 words)  
(4 bits x 64 words)  
000h - 7FFh  
(9 bits x 2048 words)  
"H"  
00h - 3Fh  
* Addresses in the RAM area are shown as described below according to the data pointer registers  
X and Y.  
Example: RAM address XXh  
Y (Y = 0 to B, or Y = 0 to F)  
X (X = 0 to 3)  
5.3 Watchdog Timer  
With the M34282T5-OPT, the watchdog timer cannot be operated. Therefore use an evaluation MCU  
(OTP version) to verify the operation associated with the watchdog timer function.  
And with the M34282T5-OPT, when executing WRST instruction, the check pin TP4 outputs "H"  
level (see Figure 5.1), so you can check the initializing cycle of the watchdog timer by monitoring  
the pulse width frequency of TP4.  
System clock XIN  
WRST  
Figure 5.1 Output waveform of check pin TP4  
( 23 / 38 )  
 
5.4 System Clock  
Depending on how the instruction clock is set, use the M34282T5-OPT in the range of frequencies  
listed in table 5.2.  
When the instruction clock is set to STCK = f(XIN) and the system clock frequency is over 500 kHz,  
the emulator may not work properly.  
Table 5.2 Operating frequencies of the M34282T5-OPT  
Voltage  
Instruction clock  
STCK = f(XIN)/8  
STCK = f(XIN)  
Frequency  
4.0 MHz or less  
500 kHz or less  
3 V  
* To change the system clock frequency, change the clock frequency of the oscillator circuit board  
OSC-2. For details about the oscillation circuit constant, consult your oscillator manufacturer.  
5.5 Real-time Capability of Timer  
As the evaluation MCU is active even when program execution is stopped or when a command is  
executed, its timer values are modified.  
Examples: (1) When single-stepping instructions  
(2) After program execution stopped  
5.6 Power-down Mode  
Although the M34282T5-OPT can execute a program using the POF instruction, there are precau-  
tions and restrictions listed in Table 5.3.  
Table 5.3 Precautions for power-down mode.  
Description  
Although SAFE and ERROR LEDs of the PC4000E light up in the power-down mode, it is not  
an error condition.  
1
Do not use the POF instruction when single-stepping a program. The POF instruction can not  
be executed correctly when stepped through.  
2
No debug command of emulator debugger RTT72 can be executed. In the power-down mode,  
execute the debug command after resuming by the key-on wakeup function.  
3
The real-time trace result of the area including the POF instruction cannot be displayed  
normally.  
4
( 24 / 38 )  
 
5.7 Program Execution (G, GB)  
The PC4400 and the M34282T5-OPT's hardware are subject to the following restrictions with  
respect to the operation of the program execution commands (G and GB).  
(1) Continuous description of instructions  
Hardware break points set in a continuous description of instructions following one after another  
do not cause a break to occur in the continuous description of instructions. A break occurs only  
after fetching the address where the continuous description of instructions is discontinued. (See  
Program example 5.1)  
However, a break does occur even in a continuous description of instructions when an external  
trigger break or forced break is encountered. For execution to be resumed in this case, you need  
to make sure that the execution start address is next to the continuous description of instructions.  
(See Program example 5.2)  
Program example 5.1  
LA  
LA  
LA  
XAM  
0
1
2
3
POINT:  
; Continuous description of instructions  
POINT+2:  
If a break is set at POINT, execution is halted immediately before the XAM instruction at  
address POINT+2.  
Program example 5.2  
LA  
LA  
LA  
XAM  
0
1
2
3
POINT:  
; Continuous description of instructions  
POINT+1:  
POINT+2:  
If a forced or external trigger break is applied at POINT, execution is halted at POINT+1. When  
resuming program execution after the break, make sure that the start address is at POINT+2,  
an address immediately after the continuous description of instructions is discontinued.  
( 25 / 38 )  
 
(2) Skip instructions (e.g. SNZP, INY, DEY, SZB, SEAM, SZC and RTS)  
In cases when a skip instruction skips the next instruction, a break point set in the skipped  
instruction does not cause execution to halt. (See Program examples 5.3 and 5.4)  
Program example 5.3  
LXY 0,0  
SZD  
POINT:  
POINT_A:  
B
TAM  
jmp_adr  
0
; Skip when D(0) = 0  
If a break point is set at POINT,  
D(0) = 0: Execution is halted immediately before the instruction at POINT.  
D(0) = 1: Execution is NOT halted because the instruction at POINT is skipped.  
To halt execution immediately after a skip instruction, set break points at POINT and POINT_A.  
Program example 5.4  
RC  
INY  
POINT:  
TABP  
; Skip when (Y) = 0  
LA  
0
If a break with pass count is set at address POINT, the count is taken and execution is halted  
only when the instruction at address POINT is executed.  
( 26 / 38 )  
 
5.8 Pulldown Transistor Control  
Since ports D4 to D7, E0 and G0 to G3 contain emulation circuits, you can not control the pulldown  
resistors using the pulldown control register. If you want to use the internal pulldown resistors, turn  
on switches SW4 to SW10 when occasion demands. With the M34282T5-OPT, the port's resistance  
value of the pulldown resistor is 150 k.  
When changing the resistance value of the pulldown resistor, replace RA1 (ports E0, G3 to G0) and  
RA2 (ports G7 to G4) on the M34282T5-OPT. For the position of the pulldown resistor, see Figure 4.3.  
5.9 Port I/O Timing  
(1) Port input timing  
Port input timings are the same as with the actual MCUs.  
(2) Port output timing  
When using the M34282T5-OPT, output timings are different from those of the actual MCUs for  
the ports D0 to D7, E0 and G0 to G3 that are configured with port emulation circuits.  
With the actual MCUs, changes occur at the beginning of the T4 state of an output instruction.  
With the M34282T5-OPT, changes occur at the beginning of the T2 state of the next output  
instruction. Figure 5.2 shows the port timings of the actual MCUs and M34282T5-OPT.  
Port output timings of ports E1, E2 and CARR are the same as with the actual MCUs.  
Output Instruction  
Next output Instruction  
Instruction clock  
STCK  
Ports D, E and G  
output timing  
of actual MCU  
Port D  
output timing  
of M34282T5-OPT  
Port E  
output timing  
of M34282T5-OPT  
Port G  
output timing  
of M34282T5-OPT  
Figure 5.2 Ports D, E and G output timings  
( 27 / 38 )  
 
5.10 Port I/O Characteristics  
With the M34282T5-OPT, port I/O characteristics are different from actual MCUs because there is  
an emulation circuit in ports E0, G0 to G3 and D0 to D7. Table 5.4 lists port I/O characteristics of the  
M34282T5-OPT.  
Table 5.4 Emulation port I/O characteristics  
Port  
Device  
Item  
Voltage  
VCC = 2.0 V  
VCC = 4.5 V  
VCC = 2.0 V  
VCC = 4.5 V  
-
Min.  
Remarks  
Max.  
-
1.5 V  
VIH  
3.15 V  
-
Input 74HC541  
-
-
-
0.5 V  
1.35 V  
-100 µA  
-1.8 V  
-2.0 V  
-
VIL  
ICEX  
E0  
VOUT = -50 V  
VIN = VIL, IOUT = -100 mA  
VIN = VIL, IOUT = -350 mA  
Output TD62787  
Input 74HC541  
Output TD62787  
VCE(sat)  
-
-
VCC = 2.0 V  
VCC = 4.5 V  
VCC = 2.0 V  
VCC = 4.5 V  
-
1.5 V  
VIH  
3.15 V  
-
-
-
-
0.5 V  
1.35 V  
-100 µA  
-1.8 V  
-2.0 V  
-
VIL  
G0 to G3  
ICEX  
VOUT = -50 V  
VIN = VIL, IOUT = -100 mA  
VIN = VIL, IOUT = -350 mA  
VCE(sat)  
-
-
VCC = 2.0 V  
VCC = 4.5 V  
VCC = 2.0 V  
VCC = 4.5 V  
-
1.5 V  
D0 to D3  
D4 to D7  
VIH  
3.15 V  
-
Input 74HC541  
-
-
-
0.5 V  
1.35 V  
-100 µA  
-1.8 V  
-2.0 V  
-
VIL  
ICEX  
VOUT = -50 V  
Output  
VIN = VIL, IOUT = -100 mA  
VIN = VIL, IOUT = -350 mA  
IOH = -50 µA  
TD62787  
74VHC08  
VCE(sat)  
-
-
VCC = 2.0 V  
VCC = 4.5 V  
VCC = 2.0 V  
VCC = 4.5 V  
1.5 V  
VOH  
VOL  
IOH = -8 mA  
3.15 V  
-
CARR Output  
IOL = 50 µA  
-
-
0.1 V  
0.44 V  
IOL = 8 mA  
( 28 / 38 )  
 
5.11 External Trigger  
(1) External trigger signal input timing  
The latch timing of the external trigger signal is shown in Figure 5.3.  
Output Instruction  
Next output Instruction  
Instruction clock  
STCK  
External trigger  
signal  
Figure 5.3 Latch timing of external trigger signal  
(2) External trigger signal input characteristics  
Trigger breaks work according to the condition (leading edge/trailing edge) of signals input from  
the external trigger cable. The external trigger signals of the trace points and the external trigger  
signals of the break points use the same signals.  
The input characteristics of the external trigger signals are shown in Table 5.5 below. See the table  
before using external trigger signals.  
Table 5.5 External trigger signal input characteristics  
Item  
Symbol  
Voltage  
Minimum  
Maximum  
VCC = 2.0 V  
VCC = 4.5 V  
VCC = 2.0 V  
VCC = 4.5 V  
1.5 V  
-
H-level threshold voltage  
VIH  
3.15 V  
-
-
-
0.5 V  
1.35 V  
VIL  
L-level threshold voltage  
5.12 Other Precautions  
With the M34282T5-OPT, the system which uses the function below cannot be emulated. Therefore,  
always be sure to evaluate your system with an evaluation MCU (OTP version).  
• Low-voltage detection function  
( 29 / 38 )  
 
MEMO  
( 30 / 38 )  
 
6. LED of PC4000E  
6.1 LED Indication at Emulator Startup  
The emulator checks the PC4400 system immediately after startup. During system check the  
PC4000E's SAFE LED flashes and the ERROR LED stays on steady. If the SAFE LED does not flash,  
it means that the system check program is not operating. In such a case, check whether the PC4000E,  
PC4400 card cage and each circuit board are fitted correctly. When the system check is completed,  
the emulator status is indicated by the LEDs on the PC4000E.  
Table 6.1 shows the LED indications at startup of PC4400.  
Table 6.1 LED indication at emulator startup  
LED display  
Condition of PC4000E  
SAFE  
ERROR  
Turned ON  
Turned OFF  
The emulator has started up properly.  
Following may be considered:  
• Some board in the PC4400 main unit slot is not fitted in  
correctly. Check whether each board is fitted correctly.  
• An error is detected by the PC4400's system check. The  
PC4400 system may be faulty. Contact your local distributor for  
repair.  
Flash alternately  
6.2 LED Indication during Emulator Operation  
It is possible to check the emulator status during operation by its LED indicators.  
Table 6.2 shows the LED indications during emulator operation.  
Table 6.2 LED indications during emulator operation  
LED display  
Condition of PC4000E  
SAFE  
ERROR  
The emulator is ready to execute debug commands of emulator  
debugger RTT72.  
Turned ON  
Turned OFF  
The evaluation MCU is in the power-down mode or the emulator  
system has been reset.  
In this case, no debug command of emulator debugger RTT72  
can be executed.  
Turned ON  
Turned ON  
In the power-down mode, execute the debug command after  
resuming by the key-on wakeup function.  
( 31 / 38 )  
 
MEMO  
( 32 / 38 )  
 
7. M34282T5-OPT Connection Circuit Diagram  
Figure 7.1 shows the M34282T5-OPT connection circuit diagram. This circuit diagram depicts the  
M34282T5-OPT connection centering on circuits connected to the target system. Emulator control  
blocks and other similar circuits that are not connected to the target system are omitted.  
Figure 7.1 M34282T5-OPT connection circuit diagram  
( 33 / 38 )  
 
MEMO  
( 34 / 38 )  
 
8. External Dimensions of Emulator Probe  
8.1 20-pin Pin Header  
Figure 8.1 shows the external dimensions of the emulator probe 2.54-mm-pitch 20-pin pin header of  
the M34282T5-OPT.  
Figure 8.1 External dimensions of 20-pin pin header  
( 35 / 38 )  
 
Appendix A. How to Request for Repair  
If your product is found faulty, follow the procedure below to send your product for repair.  
Customer  
Fill in the Repair Request Sheet included with this product, then send it  
along with this product for repair to your local distributor. Make sure  
that information in the Repair Request Sheet is written in as much detail  
as possible to facilitate repair.  
Distributor  
After checking the contents of fault, the distributor should please send  
the faulty product along with the Repair Request Sheet to Renesas  
Solutions Corp.  
Renesas Solutions When the faulty product is repaired, it will be returned to the customer  
at the earliest convenience.  
CAUTION  
Note on Transporting the Product:  
• When sending your product for repair, use the packing box and cushion material supplied with this  
product when delivered to you and specify handling caution for it to be handled as precision  
equipment. If packing of your product is not complete, it may be damaged during transportation.  
When you pack your product in a bag, make sure to use conductive polyvinyl supplied with this  
product (usually a blue bag). When you use other bags, they may cause a trouble on your product  
because of static electricity.  
( 36 / 38 )  
 
M34282T5-OPT User's Manual  
Rev.1.00  
September 1, 2003  
REJ10J0272-0100Z  
COPYRIGHT ©2003 RENESAS TECHNOLOGY CORPORATION  
AND RENESAS SOLUTIONS CORPORATION ALL RIGHTS RESERVED  
 
 

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