Renesas RX23T Series User manual

User’s Manual

R20UT3698EJ0140 Page

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2022.2.21

RX23T CPU Card User’s Manual

For Your Safety

Do not fail to read this manual before using the RX23T CPU card (RTK0EM0003C01202BJ) (the product).

•Follow the indications in this manual when using the product.

•This product is a board with the same specifications as the board included in the “24V Motor Control Evaluation

System for RX23T (RTK0EM0006S01212BJ)”, and is an optional board for the “Evaluation System for BLDC

Motor (RTK0EMX270S00020BJ)”.

•Keep this manual near the product so you can refer to it whenever necessary.

•Transfer or sale of the product to third parties is prohibited without written approval.

•The product does not meet the legal requirements for general product safety (including EMC requirements) for

equipment as stipulated by various countries and regions. The purchaser or importer of the product is responsible for

ensuring 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).

•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.

•The manual for the product, and specification (the documents) are the tool that was developed for the function and

performance evaluation of Renesas Electronics semiconductor device (Renesas Electronics device) mounted on the

product, and not guarantee the same quality, function and performance.

•By purchasing the product or downloading the documents from Renesas Electronics website, the support services

provided from Renesas Electronics is not guaranteed.

Meaning of Notations

In this manual items related to the safe use of the product are indicated as described below.

The degree of injury to persons or damage to property that could result if the designated content 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*2to 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, such as loss or impairment of eyesight, burns

(high- or low-temperature), electric shock, bone fracture, or 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 home or

property.

R20UT3698EJ0140

Rev.1.40

2022.2.21

RX23T CPU Card User’s Manual

R20UT3698EJ0140 Page

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2022.2.21

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 location could

result in injury.

•Marks indicating that an action is prohibited.

General Caution

Indicates a general need for caution

that is not specified.

Example: Caution –Hot!

Indicates the possibility of injury due to

high temperature.

•Marks directing 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.

Warnings Regarding Use of the Product

◼Danger Items

Danger

•The product should be used only by persons (users) 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. Users should be limited to persons who have carefully read the Caution

Items contained 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 to make sure 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.

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2022.2.21

◼Warning Items

Warning

Caution –Rotating Parts!

•The system includes a motor. Touching the rotating shaft could cause high-temperature

burns or injury.

Always insert plugs, connectors, and cables securely, and confirm that they are fully

inserted.

•Incomplete connections could cause fire, burns, electric shock, or injury.

Use the power supply apparatus specified in the manual.

•Failure to do so could cause fire, burns, electric shock, injury, or malfunction.

Disconnect the power supply and unplug all cables when the system will not be used for a

period of time or when moving the system.

•Failure to do so could cause fire, burns, electric shock, or malfunction.

•This will protect the system against damage due to lightning.

Use a mechanism (switch, outlet, etc.) located within reach to turn off (disconnect) the power

supply.

•In case of emergency, it may be necessary to cut off the power supply quickly.

Turn off the power supply immediately if you notice abnormal odor, smoke, abnormal sound,

or overheating.

•Continuing to use the system in an abnormal condition could cause fire, burns, or electric

shock.

Do Not Disassemble, Modify, or Repair!

•Doing so could cause fire, burns, electric shock, injury, or malfunction.

Do not use the product for any purpose other than initial evaluation of motor control in a

testing room or lab. 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 malfunction.

•The product may not perform as expected if used for other than its intended purpose.

◼Caution Items

Caution

Caution –Hot!

•The motor gets hot. Touching it could cause high-temperature burns.

Follow the procedure specified in the manual when powering the system on or off.

•Failure to do so could cause overheating or malfunction.

Caution –Static Electricity

•Use the antistatic band. Failure to do so could cause malfunction or unstable motion.

RX23T CPU Card User’s Manual

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2022.2.21

Overview

The RX23T CPU card (RTK0EM0003C01202BJ) is a board with the same specifications as the RX23T CPU card

(RTK0EM0013C01201BJ) (RX23T-CRD) included in the 24V Motor Control Evaluation System for RX23T

(RTK0EM0006S01212BJ) , and is an optional board for Evaluation System for BLDC Motor.

(RTK0EMX270S00020BJ). An emulator, INV-BRD, and equipment must be provided by the customer.

This user’s manual describes the proper handling of the product.

Target Device

RX23T microcontroller

Related Documents

•RX23T CPU Card Schematic：R12TU0007EJ

•RX23T CPU Card BOM List：R12TU0008EJ

•RX23T CPU Card PWB Pattern Drawing：R12TU0006EJ

•Evaluation System for BLDC Motor User’s Manual：R12UZ0062

•24V Motor Control Evaluation System for RX23T User’s Manual : R20UT3697EJ

Package Contents

Refer to “RX23T CPU Card Information” included with this document.

Abbreviations

Full Name

Remarks

INV-BRD

Inverter Board

Inverter board included in “Evaluation

System for BLDC Motor” (Board P/N.:

RTK0EM0000B10020BJ)

Inverter board included in “24V Motor

Control Evaluation System for RX23T”

(Board P/N.: RTK0EM0001B00012BJ)

E1 emulator

on-chip debugging emulator and flash

programmer

Product No.: R0E000010KCE00

E2 Lite

E2 emulator Lite

on-chip debugging emulator and flash

programmer

Product No.: RTE0T0002LKCE00000R

RX23T CPU Card User’s Manual 
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5
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2.21 
Contents 
Specifications.................................................................................................................6 
1 Specification................................................................................................................................6 
2 Regulatory Compliance Notices................................................................................................7 
2.1 European Union regulatory notices....................................................................................7 
Block Diagram................................................................................................................8 
Layout .............................................................................................................................9 
Usage ............................................................................................................................10 
Functions......................................................................................................................11 
1 Power Supply.............................................................................................................................11 
2 Connecting the Emulator .........................................................................................................11 
3 Connecting the Inverter Board ................................................................................................12 
4 Connecting the SCI...................................................................................................................13 
5 Hall Sensor Signal Input...........................................................................................................13 
6 Encoder Signal Input ................................................................................................................14 
7 Extension of Unused Pins........................................................................................................15 
8 Reset Circuit..............................................................................................................................15 
9 Crystal Resonator .....................................................................................................................15 
10 LEDs ...........................................................................................................................................16 
Details of RX23T CPU Card..........................................................................................17 
1 RX23T Features.........................................................................................................................17 
2 RX23T Pin Assignments...........................................................................................................18 
3 List of RX23T Pin Functions ....................................................................................................20 
Caution Items................................................................................................................21 
Revision History ..................................................................................................................23 
 

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2022.2.21

1. Specifications

1.1 Specification

Table 1.1 Overview of RX23T CPU Card Specifications

Item

Specification

Product name

RX23T CPU card

Board product No.

RTK0EM0003C01202BJ

Supported inverter board

/ product No.

Supplied with 24V Motor Control Evaluation System for RX23T

24V Inverter Board / RTK0EM0001B00012BJ

Inverter board supplied with Evaluation System for BLDC Motor

/RTK0EM0000B10020BJ

Exterior view

Note: Appearance of actual product may differ from photo.

MCU

Product group

RX23T group

Product No.

R5F523T5ADFM

CPU max.

operating frequency

40 MHz

Bit count

32 bits

Package / Pin count

LFQFP / 64 pins

ROM

128 KB

RAM

12 KB

MCU input clock

Crystal resonator 10 MHz

Input power supply voltage

DC 5 V*1

Selectable among the following:

•Power supply from supported inverter board

•Power supply from supported emulator *2

Supported sensors

Hall sensor, encoder

(through holes provided for signal monitoring test pins)

Supported emulator

E1, E2 Lite

Connectors

•Inverter board connectors 2

•SCI connectors 3

•E1 connector

•Hall sensor signal input connector

•Encoder signal input connector

Switch

MCU external reset switch

LEDs

User control LEDs 2

Operating temperature

Room temperature

Operating humidity

No condensation

Note 1. Supply voltage is DC 3.3V from E2 Lite.

Note 2. Power supply from the supported emulator is only supported for standalone operation. Power

supply from the supported emulator is not supported when the INV-BRD is connected.

RX23T CPU Card User’s Manual

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2022.2.21

1.2 Regulatory Compliance Notices

1.2.1 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: RX24T CPU Card for Motor Control

Type name: RTK0EM0009C03402BJ

Environmental Compliance and Certifications:

・Waste Electrical and Electronic Equipment (WEEE) Directive 2012/19/EU

RX23T CPU Card User’s Manual

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2022.2.21

2. Block Diagram

RX23T

Crystal

Oscillator

Reset

Switch

LED × 2

E1 Connector

(CN1)

SCI1

Connector(CN2)

Encoder Input

connector(CN6)

Hall Input

connector(CN7)

SCI5-1

Connector(CN3)

SCI5-2

Connector(CN4)

IU,IV,IW

Port Output

VBUS,VU,VV,VW

POE Input

PWM Pulse PWM Pulse

Output

VCC(5V) VCC

AD Input

Volume Resistor

Voltage

AD Input

Reset Signal

Through-hole

RX23T CPU Card

Inverter

Board

Connector

(CNB)

Inverter

Board

Connector

(CNA)

LED3

LED1,2

Over Current

External AD Input

AVCC(5V)

Port Output

TXD5/RXD5

TXD1/RXD1

MD/FINED

Hall signal

Encoder signal

10MHz

Signal*14

Universal

Space(CN5)

AVCC

AD Input

Reset

XTAL/EXTAL

Port Input

Port

Input/Output

Port

Input/Output

Port

Input/Output

Port

Input/Output

Through-hole

GND

Figure 2.1 RX23T CPU Card Block Diagram

RX23T CPU Card User’s Manual

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2022.2.21

3. Layout

RX23T

E1 connector

（CN1）

Reset switch

LEDs

(LED1, LED2)

Encoder signal input

connector（CN6）

Hall sensor signal input

connector （CN7）Universal connector

through holes（CN5）

SCI connector

(CN4)

(For Renesas motor tools)

Crystal resonator

SCI connector

(CN2, CN3)

Figure 3.1 RX23T CPU Card Layout (Top View)

Inverter board

connector (CNA) Inverter board

connector（CNB）

Figure 3.2 RX23T CPU Card Layout (Bottom View)

RX23T CPU Card User’s Manual

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2022.2.21

4. Usage

Before connecting to the INV-BRD, be sure to write the software corresponding to the INV-BRD to this product. The

board may be damaged if it is connected to the INV-BRD with the factory default software or with software that is not

compatible with the INV-BRD.

For details on writing software, please refer to 5.2. For the operation of the written software, refer to the application

note of each software.

Please refer to the user's manual of each INV-BRD for the connection method with INV-BRD.

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