Renesas RL78/G23 User Manual
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RL78/G23
16
16-bit Single Chip Microcontrollers
All information contained in these materials, including products and product specifications,
represents information on the product at the time of publication and is subject to change by
Renesas Electronics Corp. without notice. Please review the latest information published by
Renesas Electronics Corp. through various means, including the Renesas Electronics Corp.
website (http://www.renesas.com).
www.renesas.com
Renesas Solution Starter Kit
Capacitive Touch Evaluation System
User's Manual
Rev.1.00 Feb 2021
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Summary of Contents for Renesas RL78/G23
- Page 1 All information contained in these materials, including products and product specifications, represents information on the product at the time of publication and is subject to change by Renesas Electronics Corp. without notice. Please review the latest information published by Renesas Electronics Corp. through various means, including the Renesas Electronics Corp.
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Page 2: Trademarks
Renesas 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. - Page 3 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.
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Page 4: Purpose And Target Readers
How to Use This Manual 1. Purpose and Target Readers This is a manual for users to understand the outline and hardware functions of the RL78/G23 Capacitive Touch Evaluation System (RTK0EG0030S01001BJ). This manual is intended for users who use this CPU board. - Page 5 Renesas or its affiliates shall in no event be liable for any loss of profit, loss of data, loss of contract, loss of business, damage to reputation or goodwill, any...
- Page 6 Safety Items Definitions of Symbols A variety of symbols are used in this document and on the product itself to prevent in advance danger to you the user or any third parties and to prevent in advance damage to any physical property. This section, Safety Items, presents these symbols and their meanings.
- Page 7 Warning Handling related warnings: Do not disassemble or modify this product. Renesas does not guarantee this product if it has been disassembled or modified. The power supply for this product can be selected to be either the USB bus or a DC jack. A jumper is used to select the power supply.
- Page 8 After use the equipment cannot be disposed of as household waste, and the WEEE must be treated, recycled and disposed of in an environmentally sound manner. Renesas Electronics Europe GmbH can take back end of life equipment, register for this service at...
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Page 9: Table Of Contents
Table of Contents Corporate Headquarters ......................1 Contact information........................ 1 Trademarks ........................... 1 Purpose and Target Readers ..................2 1. Overview ..........................1 Purpose ..............................1 Main Characteristics and Functions ......................1 Board Specifications ..........................2 Regulatory Compliance Notices ........................ 3 1.4.1 European Union regulatory notices .................... -
Page 10: Corporate Headquarters
Overview Purpose The RL78/G23 Capacitive Touch Evaluation System (RTK0EG0030S01001BJ) is a kit created for evaluating the Renesas Electronics RL78/G23 Group of MCUs. This manual describes the RL78/G23 Cap Touch Evaluation System’s hardware. Main Characteristics and Functions The main functions of the RL78/G23 Capacitive Touch Evaluation System are as follows: Renesas Microcontroller programming and debugging •... -
Page 11: Board Specifications
DC jack 5.0V to 3.3 input USB bus powered (VBUS): 5V Voltage regulator (LDO): 3.3V Debug interface Renesas Electronics E2/E2 Lite 14-pin box header Slide switch ・CTSU temperature compensation circuit selection: 1 pole x 1 Push switches Reset switch: x 1... -
Page 12: Regulatory Compliance Notices
Renesas Electronics Europe GmbH Address: Arcadiastrasse 10, 40472 Dusseldorf, Germany ・ Trademark and Type name Trademark: Renesas Product name: RL78/G23 Capacitive Touch Evaluation System Type name: RTK0EG0030S01001BJ Environmental Compliance and Certifications: Waste Electrical and Electronic Equipment (WEEE) Directive 2012/19/EU R12UZ0095EJ0100 Rev.1.00... -
Page 13: Cpu Board
RL78/G23 Capacitive Touch Evaluation System User’s Manual CPU Board CPU Board System Block Diagram Figure 2-1 shows the system block diagram of the CPU board. 3.3V E2/E2Lite Connector GPIO, 3.3-5.0V A/D, SCI Pin Header DC Jack Power (CN1) Supply VBUS... -
Page 14: Product Configuration
RL78/G23 Capacitive Touch Evaluation System User’s Manual CPU Board Product Configuration Figure 2-2 shows the product configuration of the RL78/G23 system. Figure 2-2. RL78/G23 cap Touch CPU System Board Top Side Figure 2-3. RL78/G23 Cap Touch CPU System Board Dimensions R12UZ0095EJ0100 Rev.1.00... -
Page 15: Hardware Details
RL78/G23 Capacitive Touch Evaluation System User’s Manual CPU Board Hardware Details 2.3.1 Default Jumper Settings Figure 2-4. shows the default positions of the jumpers. Table 2-1 lists the default jumper settings. JP3 JP4 Figure 2-4. Default Jumper Positions Table 2-1. -
Page 16: Power Supply
Sub clock Not mounted 32.768kHz 3.2mm x 2.5mm SMD 2.3.4 Reset Circuit The RL78/G23 CPU Board is equipped with a reset switch (SW2) which generates a reset signal to restart the main MCU. R12UZ0095EJ0100 Rev.1.00 Page 7 of 16 Feb.24.21... -
Page 17: Push Switch
2.3.7 USB Serial Conversion Table 2-6 lists connections for USB serial IC and MCU controller. The RL78/G23 Cap Touch Evaluation System Board is equipped with USB serial IC FT234XD (FTDI Ltd.) for USB serial conversion. The FT234XD is connected to the RL78/G23’s serial communication interface (SCI) module. -
Page 18: Application Header
RL78/G23 Capacitive Touch Evaluation System User’s Manual CPU Board 2.3.9 Application Header The two application headers, CN1 and CN2, can be used as interface for the user’s own board. CN1 is used for GPIO pins. For more details regarding peripheral functions not listed here, refer to the User’s Manual Hardware Version. -
Page 19: Ctsu Related Circuits
RL78/G23 Capacitive Touch Evaluation System User’s Manual CPU Board 2.3.10 CTSU Related Circuits 2.3.10.1 CTSU correction circuit This circuit improves the absolute accuracy of the CTSU’s capacitive measurement. This function requires the use of additional control software (sold separately). When using the CTSU pin in normal conditions make sure you it set to the OFF position. -
Page 20: Application Board (Self-Capacitance Electrode Board)
Board Layout and TS Pin Assignments Application Headers Application headers CN1 and CN2 are the interface for connection to the Renesas Capacitive Touch Evaluation System CPU board. Table 2-7 lists the pin assignments for CN1. Table 2-8 lists the pin assignments for CN2. - Page 21 RL78/G23 Application Board Capacitive Touch Evaluation System User’s Manual (Self-Capacitance Electrode Board) Table 3-2. Application Header (CN12) Touch Electrode CTSU (RL78/G23) Touch CTSU (RL78/G23) (Note1) Electrode (Note1) TSCAP － － － － － － － P07 (Note3) TS-W1 TS26 －...
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Page 22: Reference Materials
RL78/G23 Capacitive Touch Evaluation System User’s Manual Reference Materials Reference Materials [1]. Renesas RL78/G23 Group User's Manual: Hardware (01UH0896) [2]. E1/E20/E2 Emulator, E2 Emulator Lite Additional Document for User’s Manual (Notes on Connection of RL78 Devices) (R20UT1994) R12UZ0095EJ0100 Rev.1.00 Page 13 of 16... -
Page 23: Additional Information
Support Refer to the Integrated Development Environment help menu for more information on how to use the IDE. Refer to the RL78/G23 Group User’s Manual Hardware Version for more information on RL78/G23 Group MCUs. For general information on Renesas micrcontrollers, visit : https://www.renesas.com/... -
Page 24: Appendix: Self-Capacitance Touch Electrode Board Connection
RL78/G23 Appendix. Capacitive Touch Evaluation System User’s Manual Self-Capacitance Touch Electrode Board Connection Appendix: Self-Capacitance Touch Electrode Board Connection The following describes how to use the Renesas Self-Capacitance Touch Electrode Board (RTK0EG0019B01002BJ). SHIELD-W1 SHIELD-B1 (TS31) (TS08) LED1 LED8 LED14 LED2... - Page 25 RL78/G23 Appendix. Capacitive Touch Evaluation System User’s Manual Self-Capacitance Touch Electrode Board Connection Table 2. TS Pin (CN2) Assignments Signal RL78/G23 Port Description LED_ROW0 P104 LED Matrix, High Side Transistor Drive LED_ROW1 P120 LED_ROW2 P106 LED_ROW3 P105 LED_COL0 P141 LED Matrix, Low Side Transistor...
- Page 26 RL78/G23 Capacitive Touch Evaluation System Revision History User’s Manual Rev. Date Description Page Summary 1.00 Feb.24.21 First Edition issued C - 1...
- Page 27 RL78/G23 Renesas Solution Starter Kit Capacitive Touch Evaluation System User’s Manual Publication Date: Rev. 1.00 Feb.24.2021 Published by: Renesas Electronics Corporation...
- Page 28 RL78/G23 Renesas Solution Starter Kit Capacitive Touch Evaluation System User’s Manual R12UZ0095EJ0100...
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