Renesas RA2 Series User Manual
  1. Manuals
  2. Brands
  3. Renesas Manuals
  4. Motherboard
  5. RA2 Series
  6. User manual
Renesas RA2 Series User Manual

Renesas RA2 Series User Manual

Ra2l1 group renesas solution starter kit, capacitive touch evaluation system
Hide thumbs Also See for RA2 Series:
Table of Contents

Advertisement

Quick Links

Download this manual
RA2L1 Group
Renesas RA Family
RA2 Series
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 Jun 2020

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RA2 Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Renesas RA2 Series

Summary of Contents for Renesas RA2 Series

  • 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.
  • Page 2 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.
  • Page 4 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 RA2L1 Capacitive Touch Evaluation System (RTK0EG0022S01001BJ). 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...

  • Page 9: Table Of Contents

    User’s Manual Renesas RA Family RA2L1 Group Capacitive Touch Evaluation System User's Manual Contents Overview ..........................3 Product Configuration ......................4 Product Ordering Information ....................5 Hardware Details ........................6 Jumper Settings ............................6 4.1.1 Default Board Settings .......................... 6 Board Layout ...........................
  • Page 10 RA2L1 Group Renesas RA Family Capacitive Touch Evaluation System User's Manual Figures Figure 1. RA2L1 Cap Touch CPU Board Top Side ..................4 Figure 2. Application Board Top Side ....................... 5 Figure 3. RA2L1 Cap Touch CPU Board Block Diagram ................. 6 Figure 4.

  • Page 11: Overview

    Note: The function name of the capacitive touch sensor in RA2L1 MCU Group products is “CTSU2,” but is referred to as “CTSU” in this document. The main functions of the RA2L1 Cap Touch CPU board are as follows: • Renesas RA2L1 MCU Group  R7FA2L1AB2DFP  100-pin LFQFP package ...

  • Page 12: Product Configuration

     Slider (5-electrode configuration): 1 • LEDs: 16 • Renesas MCU Cap Touch CPU Board interfaces:  GPIO connector header: 2.54mm pitch, 16 pins (8 x 2 DIL)  CTSU connector header: 2.54mm pitch, 40 pins (20 x 2 DIL •...

  • Page 13: Product Ordering Information

    RA2L1 Group Renesas RA Family Capacitive Touch Evaluation System User's Manual Wheel Electrode LED1 LED14 LED2 LED8 TS-B1 TS-W1 TS-W2 LED3 LED7 LED15 TS-B2 Button TS-W4 Electrodes TS-W3 LED16 TS-B3 LED4 LED6 LED5 Slider Electrode TS-S1 TS-S2 TS-S3 TS-S4 TS-S5 Figure 2.

  • Page 14: Hardware Details

    RA2L1 Group Renesas RA Family Capacitive Touch Evaluation System User's Manual 4. Hardware Details 4.1 Jumper Settings 4.1.1 Default Board Settings The following table indicates the default settings for each jumper on the RA2L1 Cap Touch CPU Board. The list includes pin jumpers (JPx), resistance jumpers (Rx), and slide switches (SWx).

  • Page 15: Power Supply

    RA2L1 Group Renesas RA Family Capacitive Touch Evaluation System User's Manual 5.2 Power Supply The RA2L1 Cap Touch CPU Board is designed to run on 3.3 to 5.0V. 5.2.1 Power Supply Options This section explains several methods for supplying power to the RA2L1 Cap Touch CPU Board.

  • Page 16: Current Measurement

    RA2L1 Group Renesas RA Family Capacitive Touch Evaluation System User's Manual 5.2.1.4 Current measurement The MCU’s supply current can be measured using jumper pin JP3. To do so, remove the short block from JP3 and connect an ammeter. The actual current consumed by the RA2L1 MCU varies based on ambient temperature, internal clock speed, input voltage level, device operating state, and many other factors.

  • Page 17: Application Board Interface

    RA2L1 Group Renesas RA Family Capacitive Touch Evaluation System User's Manual 5.3.5 Application Board Interface Connectors CN1 and CN2 on the application board are provided as interfaces for connection to the user board. CN1 is for GPIO pins. For unlisted peripheral functions, refer to the RA2L1 MCU Group User’s Manual.

  • Page 18: Added Functions

    RA2L1 Group Renesas RA Family Capacitive Touch Evaluation System User's Manual 5.4 Added Functions 5.4.1 Clock Circuit The RA2L1 Cap Touch CPU Board comes with 2 high-precision crystal clock sources. Table 8.Clock Specifications Clock Function Frequency Default State Package Sub clock 32.768kHz...

  • Page 19: Internal Voltage Regulator Circuit

    RA2L1 Group Renesas RA Family Capacitive Touch Evaluation System User's Manual 5.4.3 Internal Voltage Regulator Circuit The RA2L1’s internal voltage regulator can be set by software to be used in the LDO mode (default) or DCDC mode. To use the regulator in the DCDC mode, short the R11 pin.

  • Page 20: Capacitive Touch Application Board

    RA2L1 Group Renesas RA Family Capacitive Touch Evaluation System User's Manual 6. Capacitive Touch Application Board The Capacitive Touch Application Board is equipped with self-capacitance touch buttons, wheel and slider touch electrodes, and multiple LEDs. 6.1 CPU Board Connection The two boards can be connected using the application header (CN1 and CN2) connectors on the Capacitive Touch Application Board and the application board connectors (CN1 and CN2) on the RA2L1 Cap Touch CPU Board.

  • Page 21: Signal Assignments

    Application headers CN1 and CN2 on the Capacitive Touch Application Board are interfaces for connections to the Renesas Capacitive Touch Evaluation System’s CPU board and to the GPIO and CTSU ports. The following table lists the signal assignments between the Capacitive Touch Application Board and RA2L1 Cap Touch CPU Board.

  • Page 22: Certifications

    ・ 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...

  • Page 23: Website And Support

    All or part of this manual may be changed without notice. Renesas Electronics Corporation holds the copyright for this document. Reproduction, in whole or in part, without the written consent of Renesas Electronics Corporation is prohibited. © 2020 Renesas Electronics Corporation.

  • Page 24: Revision History

    RA2L1 Group Renesas RA Family Capacitive Touch Evaluation System User's Manual Revision History Description Rev. Date Page Summary 1.00 Jun.03.20 First edition issued R12UZ0084EJ0100 Rev.1.00 Page 16 of 16 Jun.03.20...
  • Page 25 RA2L1 Group Renesas Solution Starter Kit Capacitive Touch Evaluation System User’s Manual Publication Date: Rev.1.00 Jun.03.20 Published by: Renesas Electronics Corporation...
  • Page 26 Renesas RA2L1 Group Renesas Solution Starter Kit Capacitive Touch Evaluation System User’s Manual R12UZ0084EJ0100...

This manual is also suitable for:

Rtk0eg0022s01001bj

Table of Contents