User’s Manual
R12UZ0062EJ0100 Rev.1.00 Page 1 of 26
2019.11.11
Evaluation System for BLDC Motor
User’s Manual
For your safety
Be sure to read this manual before using the Evaluation System for BLDC Motor（RTK0EMX270S00020BJ）
(hereafter, referred to as the Product)
・ Follow the instructions in this manual when using the Product.
・ Keep this manual near the Product so that you can refer to it whenever necessary.
・ Transfer or resale of the Product to third parties is prohibited without written approval.
・ The purchaser or importer of the Product shall ensure compliance with local regulations. In addition, the customer
is responsible for ensuring that the Product is handled correctly and safely in accordance with the laws of the
customer’s country (region).
・ The manual for the Product and specification (hereafter, referred to as the Documents) are the tool which was
developed to evaluate function and performance of Renesas Electronics semiconductor device (hereafter, referred
to as the Renesas Electronics device) which is mounted on the Product, and not guarantee the same quality,
function and performance as our devices.
・ By purchasing the Product or downloading the Documents from Renesas Electronics website, the support services
provided from Renesas Electronics are not guaranteed.
・ All information contained in this manual represents information on products at the time of publication of this
manual. Please note that the product data, specification, sales offices, contents of website, address, etc., are
subject to change by Renesas Electronics Corporation without notice due to product improvements or other
reasons. Please confirm the latest information on Renesas Electronics website.
In this manual, items related to the safe use of the Product are described as below.
■The degree of injury to persons or damage to property that could result if the designated instruction in this manual
is not followed is indicated as follows.
Danger
Indicates content that, if not followed, could result
in death or serious injury(*1) to the user, and
which is highly urgent.
Warning
Indicates content that, if not followed, could result
in death or serious injury to the user.
Caution
Indicates content that, if not followed, could result
in injury*2 to persons or physical damage.*3
Note 1. Serious injury refers to conditions resulting in persistent after-effects and for which treatment would
necessitate hospitalization or regular hospital visits, due to injuries, such as loss of eyesight, burns (high- or lowtemperature), electric shock, bone fracture, poisoning.
Note 2. Injury refers to conditions for which treatment would necessitate hospitalization or regular hospital visits.
Note 3. Physical damage refers to damage affecting the wider surroundings, such as the user’s house or property.
Meaning of Notations
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■Requirements related to the handling of the Product are classified into the following categories.
・Marks indicating that an action is prohibited.
General prohibition
The indicated action is prohibited
（Example）Do not touch.
Touching the specified part could result
in injury.
・Marks indicating that an action requires caution.
General caution
Indicates general caution that is not
specified.
（Example）High temperature
Indicates the possibility of injury due to
high temperature.
・Marks indicating that the specified action is required.
General instruction
The specified action is required.
（ Example ） Turn off (disconnect)
power supply.
Instructs the user to turn off
(disconnect) the power supply to the
product.
Danger
・The Product should be used only by persons having a thorough knowledge of electrical and
mechanical components and systems, a full knowledge of the risks associated with handling
them, and training in inverter motor control and handling motors, or equivalent skills (hereafter,
referred to as Users). Limit users by carefully reading the Caution items described in this
manual.
・Unlike typical equipment, the Product has no protective case to ensure safety, and it contains
moving parts and high-temperature components that could be dangerous. Do not touch the
evaluation board or cables while power is being supplied.
・Carefully check that there are no pieces of conductive materials or dust adhering to the
board, connectors, and cables.
・There are moving parts, driven by a motor. Do not touch the motor while power is being
supplied.
・Ensure that the motor is insulated and placed in a stable location before supplying power.
Do not connect load to motor.
・This could cause fire, burns, or injury.
Warnings Regarding Use of the Product
■Danger Items
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Warning
Caution-Rotating parts
・The system includes a motor. Touching the rotating shaft could cause high-temperature burns or injury.
Insert plugs, connectors, and cables securely, and confirm that they are fully inserted.
・Incomplete connections could cause fire, burns, electric shock, or failures.
Use the power supply apparatus specified in the manual.
・Failure to do so could cause fire, burns, electric shock, injury, or failures.
Stop supplying power and unplug all cables when the Product is not used for a long period of time or
moved.
・Failure to do so could cause heat, fire, burns, electric shock or failures.
・This will protect the system against damage due to lightning.
Use the Product where a mechanism (switch, outlet, etc.) is within reach so that power supply is turned
off (disconnected) immediately.
・If an abnormality occurs, it is necessary to cut off the power supply quickly.
Stop supplying power immediately if you notice abnormal odor, smoke, abnormal sound, or overheating.
・Continuing to use the Product in an abnormal condition could cause fire, burns, or electric shock.
Do not disassemble, modify, or repair the Product.
・Doing so could cause fire, burns, electric shock, injury, or fialures.
Do not use the Product for any purpose other than initial evaluation of motor control in a testing room or
laboratory.
Do not integrate the Product or any part of it into other equipment.
Do not insert or remove cables or connectors when the Product is powered on.
・The Product has no safety case.
・Failure to observe the above could cause fire, electric shock, burns, or failures.
・The product may not perform as expected if used for other than its intended purpose.
Caution
Caution- Hot!
・The motor gets hot. Touching it could cause high-temperature burns.
Follow the procedure specified in the manual when turning on/off power to each system.
・Failure to do so could cause overheating or failures in devices.
Caution – Static Electricity!
Before using this product, wear an antistatic wrist strap. If you touch this product with a static charge on
your body, it could cause device failures or unstable operation.
Before using the Product, mount the ferrite core on each cable connecting inverter board and motor.
Make sure to mount the ferrite core near the inverter board.
・Failure to do so could interfere with operation of other devices or cause failures.
■Warning Items
■Caution Items
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Overview
The Evaluation System for BLDC Motor（RTK0EMX270S00020BJ）is a motor control evaluation kit.
This user’s manual describes the proper handling of the Product.
Mounted devices
Gate driver: HIP4086ABZT
MOSFET: RJK1054DPB
Regulator: ISL9001AIRNZ
Related documents
⚫ INV-BRD
➢ Circuit diagram: R12TU0072
➢ Parts list：R12TU0073
➢ PCB pattern Drawing：R12TU0074
⚫ Related to Motor Control Development Support Tool "Renesas Motor Workbench"
➢ User’s manual：R21UZ0004
Package contents
Refer to the sheet “Included Items” which is included in the package.
Abbreviations
Abbreviations
Full Name
Remarks
Motor RSSK
Evaluation System for BLDC Motor
The Product
Product No.：
RTK0EMX270S00020BJ
INV-BRD
Inverter Board
（Inverter Board）
Inverter board included in the
Product
Product No.：
RTK0EM0000B10020BJ
Support Tool
Motor Control Development Support Tool
"Renesas Motor Workbench V.x.xx "
Manufactured by Renesas
Electronics
※ V.x.xx means release version.
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Contents
For your safety ......................................................................................................................... 1
Overview ................................................................................................................................. 4
1. Features ........................................................................................................................... 6
2. Specifications ................................................................................................................... 7
2.1 Specification .................................................................................................................................. 7
2.2 Information regarding regulation ................................................................................................... 9
3. Block Diagram ................................................................................................................ 10
4. Layout ............................................................................................................................ 11
5. Usage ............................................................................................................................. 12
5.1 Set up hardware .......................................................................................................................... 12
5.2 Preparation to use the Support tool ............................................................................................ 16
5.3 Deal with Abnormalities ............................................................................................................... 17
6. Inverter Board specifications .......................................................................................... 18
6.1 Outline ......................................................................................................................................... 18
6.2 Functions ..................................................................................................................................... 18
6.3 Pin assignment ............................................................................................................................ 23
7. Usage Notes .................................................................................................................. 25
Website and Support ............................................................................................................. 26
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1. Features
（1） Supports permanent magnet synchronous motors
（2） Supports 3-shunt current detection
（3） Equipped with USB mini B for Support Tool communication
（4） Provides overcurrent protection function using overcurrent detection circuit.
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2. Specifications
2.1 Specification
Table 2-1 Evaluation System for BLDC Motor Specification Table（1/2）
Item
Specification
Kit specification
Series
Evaluation System for BLDC Motor
Kit product No.
RTK0EMX270S00020BJ
Kit configuration
Inverter board
RTK0EM0000B10020BJ
Permanent magnet synchronous motor
TG-55L-KA（Manufactured by
Tsukasa Electric Co., Ltd.）
Rated voltage：24[V]
Rated current：0.42[A]
Inverter circuit and
CPU card
Non-insulated
External view
Note : CPU Card is not included in this product.
Operating temperature
Room temperature
Operating Humidity
No condensation
EMC standard
Europe：EN61326-1 : 2013 Class A
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Table 2-2 Evaluation System for BLDC Motor Specification Table（2/2）
Item
Specification
Inverter board specification
Product name
Inverter Board
Board product No.
RTK0EM0000B10020BJ
Exterior view
Operating input voltage
DC 24～48 V （±5%）
Select one from the below.
・ Power connector
・ Center-positive DC jack
Maximum input power
250 W
Rated output capacity
250 VA
Rated output current
AC 5 A （RMS value）
Switching frequency
2 kHz ~ 20 kHz（Reference value）
Current detection method
3-shunt method
Shunt resistor
10m
PWM logic
Lower arm: Positive logic Upper arm: Negative logic
DC bus voltage detection
（bus voltage detection）
Detection by resistance division（5 V ~ 48 V）
3-phase output voltage
detection
Detection by resistance division（0 V ~ 48 V）
3-phase output current
detection
MOSFET Detection using shunt resistor under the source（-10 A ~ +10 A）
Overcurrent detection
function
10 A
Communication interface
USB mini B
※Communicating with PC requires "Support Tool" by Renesas Electronics.
Connector
・ CPU card connector x2
・ USB mini B connector
・ Power input connector
・ Motor connector
Switch
・ Toggle switch x1
・ Push switch x1
LED
・ LED x3
・ LED for power source for inverter control circuit block
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2.2 Information regarding regulation
2.2.1 European Union regulatory notices
This product complies with the following EU Directives. (These directives are only valid in the European Union.)
CE Certifications:
・Electromagnetic Compatibility (EMC) Directive 2014/30/EU
EN61326-1 : 2013 Class A
WARNING: This is a Class A product. This equipment can cause radio frequency noise when used
in the residential area. In such cases, the user/operator of the equipment may be
required to take appropriate countermeasures under his responsibility.
・Information for traceability
・Authorised representative
Name: Renesas Electronics Corporation
Address: Toyosu Foresia, 3-2-24, Toyosu, Koto-ku, Tokyo 135-0061, Japan
・Manufacturer
Name: Renesas Electronics Corporation
Address: Toyosu Foresia, 3-2-24, Toyosu, Koto-ku, Tokyo 135-0061, Japan
・Person responsible for placing on the market
Name: Renesas Electronics Europe GmbH
Address: Arcadiastrasse 10, 40472 Dusseldorf, Germany
・Trademark and Type name
Trademark: Renesas
Product name: Evaluation System for BLDC Motor
Type name: RTK0EMX270S00020BJ
Environmental Compliance and Certifications:
・Waste Electrical and Electronic Equipment (WEEE) Directive 2012/19/EU
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3. Block Diagram
Figure 3-1 Evaluation System for BLDC Motor
Power
connector
Variable
resistor
Toggle switch/
push switch
12-V voltage
generation function
Overcurrent
detection
function
5-V voltage
generation
function
Inverter circuit
Gate Driver
Motor
connector
Board-to-
board
connector
24-48V
12V
Overcurrent detection
3-phase PWM
5V
LED x3
Output voltage
divider
Communication circuit for motor development support tool,
Renesas Motor Workbench
USB
connector
Digital
Isolator
Shunt resistor
MOSFETs
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4. Layout
Motor Connector (CN2)
Power Connector
(CN1)
USB miniB
Variable Resistor (VR1)
LED(LED1,LED2,
LED3)
Toggle Switch (SW1)
DC Jack (J1)
Board-to-board
Connector(CNA,CNB)
Push Switch (SW2)
communication
connector (CN3)
Figure 4-1 Layout
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5. Usage
5.1 Set up hardware
This chapter describes how to set up hardware when combining the Product with the CPU card which is the option
board. As the operation procedure is different according to the CPU card and the software written onto the CPU card,
please refer to the user’s manual and application note for specific operation procedure.
The Product includes permanent magnet synchronous motor, “TG-55L-KA” (hereafter, referred to as the Motor),
manufactured by Tsukasa Electric Co., Ltd. This chapter describes the procedure to set up hardware using this motor.
In addition, the Product can be connected with the motor conforming to the inverter specifications listed in the second
chapter. If you use motors other than the one included in the Product, make sure to check the specification of the motor
thoroughly before using it.
Use antistatic band when using the Product. Because touching the Product while being charged with static electricity
could cause failure or unstable operation.
Advance Preparation
Prepare the following items.
・Stabilized power supply ：Output voltage of DC24V or more, the upper limit of the output current can be set
at 1A
・Power supply cable (x2) ：Cables which enable to apply the current of 1A or more. (to connect the stabilized
power supply with the INV-BRD)
・CPU card ：CPU card compatible with the Product
e.g.) RX23T CPU card (product No.：RTK0EM0003C01202BJ)
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5.1.1 Connect the Motor and the CPU Card with the Board
Following Figure 5-1, mount the CPU card on the INV-BRD and then connect the motor and the cables included in
the Product.
Figure 5-1 illustrates how to connect the bundled motor, “TG-55L-KA”
Although hole sensor signal connector is included for the cable, you do not need to connect it if you don’t use the
hole sensor signal (if sensorless vector control is performed).
Attach the ferrite core included in the Product to the motor connection cables by referring to Figure 5-1.
Make sure to attach the ferrite core to close position to the Product.
Connection point
Connection
point
接続先：
Motor
CN2 of INV- BRD
Figure 5-1 Connect Cables
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5.1.2 Connect the Stabilized Power Supply and the Cables
The Product has the terminal block (CN1) as connector to supply power for the board. Connect positive output of the
stabilized power supply with 1 pin of CN1 (“+” silk) and negative output with 2 pin (“-” silk).
Figure 5-2 Connect Stabilized Power Supply
5.1.3 Supply Power
Use the stabilized power supply and set the output voltage to 24V and the limit current to 1A. Then, turn on the
device. If the voltage drops even for a second, the power supplied for the CPU card is also reduced, which causes reset,
as a result the program is halted.
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5.1.4 Check the Motor Operation
As for the procedure to rotate and stop the motor, follow the application note of the software written in the CPU card.
5.1.5 Finish the Operation Check
When completing the operation check procedure, make sure that the motor shaft is not rotating before turning off the
output from the stabilized power supply.
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5.2 Preparation to use the Support tool
The Product supports the “Support Tool” manufactured by Renesas Electronics. It is equipped with the USB mini B
connector as the communication interface. In order to use "Support Tool" you need to connect the INV-BRD to the PC
with USB cable. (Connector number of the RX23T-CPU card is shown as an example. As for other CPU card numbers,
refer to the CPU card manual.)
（１） Connect the communication cable
Connect CN4 which is the SCI connector on the CPU card and CN3 which is the connector on the INV-BRD
with the communication cables included in the Product.
（２） Connect the USB cable
Connect CN4 which is the USB mini B connector on the inverter board and your PC with the USB cable
included in the Product.
For instructions on using the tool, refer to the user’s manual of the Motor Control Development Support Tool,
“Renesas Motor Workbench V.x.xx”.
※ V.x.xx means the release version of the applicable tool.
Figure 5-3 Connect Cables
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5.3 Deal with Abnormalities
5.3.1 Deal with Abnormal Odor, Smoke, Unusual Sound, Overheating, etc.
If any abnormality (abnormal odor, smoke, unusual sound and overheating) occurs, immediately turn off the
stabilized power supply and cut off the current flowing into the inverter.
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6. Inverter Board specifications
This chapter describes the specification of the INV-BRD.
6.1 Outline
The INV- BRD is the inverter board which enables to operate the motor by connecting it with the CPU card
manufactured by Renesas Electronics.
6.2 Functions
6.2.1 Inverter Control Circuit Block
The INV-BRD is equipped with the inverter control circuit block which controls the motor with six Power MOS-
FETs. The POWER MOS-FETs control the motor with six-phase timer output from the microcontroller.
The inverter control circuit block outputs DC bus voltage, U, V and W phase voltage and shunt current to the
connectors (CNA, CNB). By entering these output values in A/D of the microcomputer of the CPU card, analog values
of the voltage and the shunt current of each phase can be measured. Refer to 6.2.2 and 6.2.4 for the current detection
and the voltage detection, respectively. Also function to detect overcurrent from the input current is available. Refer to
6.2.3 for details.
An illustration of the inverter control circuit block is shown in Figure 6-1. In the actual circuit, some inputs on the
A/D pins are via voltage dividers and offsets and so on. Refer to the circuit diagram for details.
Motor
UP
UN
VP
VN
WP
WN
V
BUS
CSA_U
CSA_V
CSA_W
AD_U
AD_V
AD_W
OP-Amp
OP-Amp
OP-Amp
HISIDE_OC
Motor Control
PWM Input
DC Bus Voltage
Phase Voltages
Shunt Current
（via Amplifier）
POWER
MOS- FET
Overcurrent
Detection
Figure 6-1 Illustration of Inverter Control Circuit Block
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6.2.2 Current Detection Circuit
The INV-BRD is equipped with the current detection circuit to measure the current at the U, V and W phase. The
current detection circuit uses shunt resistance at each phase. Voltage drop caused by the current flowing through the
shunt resistor is amplified by the current detection amplifier to output. The relation between Iin which is the current
flowing through the shunt resistor and Vout which is the voltage output from the current detection circuit is described
by the below equation(1).
Vout[V] = Iin[A] × Rs[Ω] × 20 + 2.5 （1）
-
+
Iin
Vout
CSA_U
Rs
Rs : Shunt Resistor（1 W）
Iin : Current Flow through Shunt Resistor
Vout : Voltage Applied to Connection Pin of CPU Card
CSA_V
CSA_W
-IN
+IN
+5V_A
VS
GND
AD8418A
Gain 20x
Figure 6-2 Current Detection Circuit
Table 6-1 Relation between the Current Flow thorough Shunt Resistor and the Voltage Output from
Current Detection Circuit
Iin [A]
Vout[V]
10
4.5
2
2.9
0
2.5
-2
2.1
-10
0.5
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6.2.3 Overcurrent Detection Circuit
Detect the overcurrent from the input current, using the overcurrent detection circuit illustrated in Figure 6-3. If the
current value is within the range of threshold, detected overcurrent will be Low, although HISIDE_OC is High.
Therefore, by monitoring the OC pin and forcing the timer output pin into the Hi-Z state when OC is low, you can
protect the board and motor.
The overcurrent detection circuit does not directly protect the board and motor. Perform appropriate processing with
equipment such as microcontroller to protect them.
-
+
+IN
-IN
-
+
+5V_D
VIN
HISIDE_OC
Current Detection Signal
Comparator
Differential amplifier
Figure 6-3 Overcurrent Detection Circuit
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6.2.4 Output Voltage Detection Circuit
The INV-BRD has the circuit that inputs bus voltage and three-phase output voltage (U, V and W phase) into the AD
pin of the microcontroller through resistive voltage divider. Relation between the three-phase output voltage, the bus
voltage and the detection voltage is described by the below equation (2).
Vout[𝑉]=
470
10 × 103+ 470
× 𝑉𝑖𝑛[𝑉] （2）
10k
470
0.1mF
V
U
Vin Vout
V
V
V
W
V
BUS
Figure 6-4 Output Voltage Detection Circuit
6.2.5 Voltage Generation Circuit
The INV- BRD generates voltage of 12V and 5V from the main power supply (24~48V).
Table 6-2 Voltage Generation Circuit
Item
Input Voltage
[V]
Output Voltage
（TYP.） [V]
Output Current
（Max）[A]
Application
12VGeneration
24～48
12
0.6
⚫ 5Vgeneration
⚫ Gate Driver IC
5VGeneration
12 5 0.5
⚫ MCU Power Supply
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6.2.6 LED
The INV-BRD has three LEDs which the user can control. The user can control them from the CPU card connected
with the INV-BRD.
Table 6-3 LED
Pins Compatible with CPU Card
Connector
LED1
LED2
LED3
CNA-1
Hi
Off
‐
‐
Low
On
‐
‐
CNA-2
Hi
‐
Off ‐ Low
‐
On
‐
CNA-3
Hi
‐ ‐ Off
Low
‐ ‐ On
6.2.7 Toggle Switch and Push Switch
The INV-BRD has toggle switch (SW1) and push switch (SW2). The user can use them at his or her discretion.
Table 6-4 Toggle Switch and Push Switch
Pins Compatible with CPU Card
Connector
SW1
SW2
CNA-13
Hi
OFF ‐ Low
ON
‐
CNA-14
Hi
‐
RELEASE
Low
‐
PUSH
6.2.8 Variable Resistor
The INV-BRD has a variable resistor (VR1). The user can use the resistor at his or her discretion. If turning the
variable resistor clockwise, terminal voltage of the variable resistor (CNB-15) becomes low. If turning it
counterclockwise, the voltage becomes high.
Table 6-5 Variable Resistor Specification
Item
Specification
Input Voltage Range
0～+5V_A
Variable Resistor Range
0～10k
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6.3 Pin assignment
6.3.1 Connector Pin Function Assignment
Table 6-6 Board-to Board Connector CNA Connection
#
Output
Signal
Connection destination (inverter board)
1
To INV
LED1#
LED1
2
To INV
LED2#
LED2
3
To INV
LED3#
LED3
4
To INV
VRL
- 5 To CPU
Overcurrent detection
Comparator output U2.1
6 - 7
To INV
PWM phase WN
Gate driver U6.11 CLI
8
To INV
PWM phase VN
Gate driver U6.4 ALI
9
To INV
PWM phase UN
Gate driver U6.3 BLI
10
To INV
PWM phase WP
Gate driver U6 12 CHI
11
To INV
PWM phase VP
Gate driver U6.5 AHI
12
To INV
PWM phase UP
Gate driver U6.2 BHI
13
To CPU
SW1
SW1
14
To CPU
SW2
SW2
15
To CPU
Digital 5V
+5V_D
16
To CPU
Digital 5V
+5V_D
17
To CPU
Digital GND
GND_D
18
To CPU
Digital GND
GND_D
19 - - - 20 - -
-
Table 6-7 Board-to-Board Connector CNB Connection
#
Output
Signal
Connection destination (inverter board)
1
To CPU
Analog 5V
+5V_A
2
To CPU
Analog 5V
+5V_A
3
To CPU
-
GND_A
4
To CPU
Differential input current detection
R97,R76,C52
5
To CPU
Phase U current detection
Current detection amplifier U5.5
6
To CPU
Phase V current detection
Current detection amplifier U9.5
7
To CPU
Phase W current detection
Current detection amplifier U11.5
8
To CPU
Supply voltage divider
R2, R4
9
- - -
10
To CPU
Phase U voltage divider
R32, R40
11
To CPU
Phase V voltage divider
R72, R77
12
To CPU
Phase W voltage divider
R105, R108
13 - -
-
14 - -
-
15
To CPU
Volume
VR1
16 - -
-
17
To CPU
Digital 5V
+5V_D
18
To CPU
Digital 5V
+5V_D
19
To CPU
Analog ground
GND_A
20
To CPU
Analog ground
GND_A
Renesas Solution Starter Kit
Evaluation System for BLDC Motor User's Manual
R12UZ0062EJ0100 Rev.1.00 Page 24 of 26
2019.11.11
Table 6-8 Board-to-Board Connector CN10 connection
#
Output
Signal
Connection destination
(inverter board)
Connection destination
(CPU card)
1
To INV
RMW
Communication:
Transmission
U13.3 A2
U2.22 PD3/TXD1
2 - Digital ground
GND_D
GND_D
3
To CPU
RMW
Communication:
Reception
U13.2 A1
U2.20 PD5/RXD1
4 - Digital ground
GND_D
GND_D
Renesas Solution Starter Kit
Evaluation System for BLDC Motor User's Manual
R12UZ0062EJ0100 Rev.1.00 Page 25 of 26
2019.11.11
7. Usage Notes
Important points to observe when using the Product are described below.
・ When enabling FG (frame ground) of the Product, make sure to mount metal feet on the four corners of the INV-
BRD. If connecting to FG, use 3 pin of CN1 and the foot by the side of J1. (Either case has silk for FG.)
Renesas Solution Starter Kit
Evaluation System for BLDC Motor User's Manual
R12UZ0062EJ0100 Rev.1.00 Page 26 of 26
2019.11.11
Website and Support
Renesas Electronics Website
http://japan.renesas.com/
Inquiries
http://japan.renesas.com/contact/
All trademarks and registered trademarks are the property of their respective owners.
A-1
Revision History
Rev.
Date
Description
Page
Summary
1.00
2019.11.11
―
First edition
General Precautions in the Handling of Microprocessing Unit and Microcontroller
Unit Products
The following usage notes are applicable to all Microprocessing unit and Microcontroller unit products from Renesas. For detailed usage notes on the products covered
by this document, refer to the relevant sections of the document as well as any technical updates that have been issued for the products.
1. Precaution against Electrostatic Discharge (ESD)
A strong electrical field, when exposed to a CMOS device, can cause destruction of the gate oxide and ultimately degrade the device operation. Steps must be taken
to stop the generation of static electricity as much as possible, and quickly dissipate it when it occurs. Environmental control must be adequate. When it is dry, a
humidifier should be used. This is recommended to avoid using insulators that can easily build up static electricity. Semiconductor devices must be stored and
transported in an anti-static container, static shielding bag or conductive material. All test and measurement tools including work benches and floors must be
grounded. The operator must also be grounded using a wrist strap. Semiconductor devices must not be touched with bare hands. Similar precautions must be taken for
printed circuit boards with mounted semiconductor devices.
2. Processing at power-on
The state of the product is undefined at the time when power is supplied. The states of internal circuits in the LSI are indeterminate and the states of register settings
and pins are undefined at the time when power is supplied. In a finished product where the reset signal is applied to the external reset pin, the states of pins are not
guaranteed from the time when power is supplied until the reset process is completed. In a similar way, the states of pins in a product that is reset by an on-chip
power-on reset function are not guaranteed from the time when power is supplied until the power reaches the level at which resetting is specified.
3. Input of signal during power-off state
Do not input signals or an I/O pull-up power supply while the device is powered off. The current injection that results from input of such a signal or I/O pull-up
power supply may cause malfunction and the abnormal current that passes in the device at this time may cause degradation of internal elements. Follow the guideline
for input signal during power-off state as described in your product documentation.
4. Handling of unused pins
Handle unused pins in accordance with the directions given under handling of unused pins in the manual. The input pins of CMOS products are generally in the highimpedance state. In operation with an unused pin in the open-circuit state, extra electromagnetic noise is induced in the vicinity of the LSI, an associated shootthrough current flows internally, and malfunctions occur due to the false recognition of the pin state as an input signal become possible.
5. Clock signals
After applying a reset, only release the reset line after the operating clock signal becomes stable. When switching the clock signal during program execution, wait
until the target clock signal is stabilized. When the clock signal is generated with an external resonator or from an external oscillator during a reset, ensure that the
reset line is only released after full stabilization of the clock signal. Additionally, when switching to a clock signal produced with an external resonator or by an
external oscillator while program execution is in progress, wait until the target clock signal is stable.
6. Voltage application waveform at input pin
Waveform distortion due to input noise or a reflected wave may cause malfunction. If the input of the CMOS device stays in the area between VIL (Max.) and VIH
(Min.) due to noise, for example, the device may malfunction. Take care to prevent chattering noise from entering the device when the input level is fixed, and also in
the transition period when the input level passes through the area between VIL (Max.) and VIH (Min.).
7. Prohibition of access to reserved addresses
Access to reserved addresses is prohibited. The reserved addresses are provided for possible future expansion of functions. Do not access these addresses as the
correct operation of the LSI is not guaranteed.
8. Differences between products
Before changing from one product to another, for example to a product with a different part number, confirm that the change will not lead to problems. The
characteristics of a microprocessing unit or microcontroller unit products in the same group but having a different part number might differ in terms of internal
memory capacity, layout pattern, and other factors, which can affect the ranges of electrical characteristics, such as characteristic values, operating margins, immunity
to noise, and amount of radiated noise. When changing to a product with a different part number, implement a system-evaluation test for the given product.
Notice
1. Descriptions of circuits, software and other related information in this document are provided only to illustrate the operation of semiconductor products
and application examples. You are fully responsible for the incorporation or any other use of the circuits, software, and information in the design of
your product or system. Renesas Electronics disclaims any and all liability for any losses and damages incurred by you or third parties arising from the
use of these circuits, software, or information.
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or other intellectual property rights of third parties, by or arising from the use of Renesas Electronics products or technical information described in this
document, including but not limited to, the product data, drawings, charts, programs, algorithms, and application examples.
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or others.
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and all liability for any losses or damages incurred by you or third parties arising from such alteration, modification, copying or reverse engineering.
5. Renesas Electronics products are classified according to the following two quality grades: “Standard” and “High Quality”. The intended applications for
each Renesas Electronics product depends on the product’s quality grade, as indicated below.
"Standard": Computers; office equipment; communications equipment; test and measurement equipment; audio and visual equipment; home
electronic appliances; machine tools; personal electronic equipment; industrial robots; etc.
"High Quality": Transportation equipment (automobiles, trains, ships, etc.); traffic control (traffic lights); large-scale communication equipment; key
financial terminal systems; safety control equipment; etc.
Unless expressly designated as a high reliability product or a product for harsh environments in a Renesas Electronics data sheet or other Renesas
Electronics document, Renesas Electronics products are not intended or authorized for use in products or systems that may pose a direct threat to
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Electronics disclaims any and all liability for any damages or losses incurred by you or any third parties arising from the use of any Renesas
Electronics product that is inconsistent with any Renesas Electronics data sheet, user’s manual or other Renesas Electronics document.
6. When using Renesas Electronics products, refer to the latest product information (data sheets, user’s manuals, application notes, “General Notes for
Handling and Using Semiconductor Devices” in the reliability handbook, etc.), and ensure that usage conditions are within the ranges specified by
Renesas Electronics with respect to maximum ratings, operating power supply voltage range, heat dissipation characteristics, installation, etc.
Renesas Electronics disclaims any and all liability for any malfunctions, failure or accident arising out of the use of Renesas Electronics products
outside of such specified ranges.
7. Although Renesas Electronics endeavors to improve the quality and reliability of Renesas Electronics products, semiconductor products have specific
characteristics, such as the occurrence of failure at a certain rate and malfunctions under certain use conditions. Unless designated as a high reliability
product or a product for harsh environments in a Renesas Electronics data sheet or other Renesas Electronics document, Renesas Electronics
products are not subject to radiation resistance design. You are responsible for implementing safety measures to guard against the possibility of bodily
injury, injury or damage caused by fire, and/or danger to the public in the event of a failure or malfunction of Renesas Electronics products, such as
safety design for hardware and software, including but not limited to redundancy, fire control and malfunction prevention, appropriate treatment for
aging degradation or any other appropriate measures. Because the evaluation of microcomputer software alone is very difficult and impractical, you
are responsible for evaluating the safety of the final products or systems manufactured by you.
8. Please contact a Renesas Electronics sales office for details as to environmental matters such as the environmental compatibility of each Renesas
Electronics product. You are responsible for carefully and sufficiently investigating applicable laws and regulations that regulate the inclusion or use of
controlled substances, including without limitation, the EU RoHS Directive, and using Renesas Electronics products in compliance with all these
applicable laws and regulations. Renesas Electronics disclaims any and all liability for damages or losses occurring as a result of your noncompliance
with applicable laws and regulations.
9. Renesas Electronics products and technologies shall not be used for or incorporated into any products or systems whose manufacture, use, or sale is
prohibited under any applicable domestic or foreign laws or regulations. You shall comply with any applicable export control laws and regulations
promulgated and administered by the governments of any countries asserting jurisdiction over the parties or transactions.
10. It is the responsibility of the buyer or distributor of Renesas Electronics products, or any other party who distributes, disposes of, or otherwise sells or
transfers the product to a third party, to notify such third party in advance of the contents and conditions set forth in this document.
11. This document shall not be reprinted, reproduced or duplicated in any form, in whole or in part, without prior written consent of Renesas Electronics.
12. Please contact a Renesas Electronics sales office if you have any questions regarding the information contained in this document or Renesas
Electronics products.
(Note1) “Renesas Electronics” as used in this document means Renesas Electronics Corporation and also includes its directly or indirectly controlled
subsidiaries.
(Note2) “Renesas Electronics product(s)” means any product developed or manufactured by or for Renesas Electronics.
(Rev.4.0-1 November 2017)
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