Renesas RA4 Series User Manual
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Renesas RA4 Series User Manual

Evaluation kit for ra4m2 microcontroller group
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RA4M2 Group
Evaluation Kit for RA4M2 Microcontroller Group
Renesas RA Family
RA4 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
EK-RA4M2 v1
User's Manual
Rev. 1.00 Jan 2021

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Summary of Contents for Renesas RA4 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.
  • 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 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 economic loss, any reprogramming or recall costs (whether the foregoing losses are direct or indirect) nor shall Renesas or its affiliates be liable for any other direct or indirect special, incidental or consequential damages arising out of or in relation to the use of this EK-RA4M2, even if Renesas or its affiliates have been advised of the possibility of such damages.

  • Page 5: Table Of Contents

    User’s Manual Renesas RA Family EK-RA4M2 v1 Contents Kit Overview ..........................4 Assumptions and Advisory Notes ......................7 Kit Contents ..........................8 Kit Ordering Information ......................8 Hardware Architecture and Default Configuration ..............9 Kit Architecture ............................9 System Block Diagram .......................... 10 Jumper Settings .............................
  • Page 6 Renesas RA Family EK-RA4M2 v1 – User's Manual Quad-SPI Flash ............................. 25 MCU Native Pin Access Area ....................26 Breakout Pin Headers ........................... 26 MCU and USB Current Measurement ....................27 Certifications .......................... 28 EMC/EMI Standards ..........................28 Material Selection, Waste, Recycling and Disposal Standards ............28 Safety Standards ...........................
  • Page 7 Renesas RA Family EK-RA4M2 v1 – User's Manual Figure 25. RA +3.3 V Current Measurement Circuit..................27 Figure 26. RA MCU Current Measurement ....................27 Tables Table 1. Default Jumper Settings ........................ 11 Table 2. Debug Modes ..........................14 Table 3.

  • Page 8: Kit Overview

    Renesas RA Family EK-RA4M2 v1 – User's Manual 1. Kit Overview The EK-RA4M2, an Evaluation Kit for RA4M2 MCU Group, enables users to seamlessly evaluate the features of the RA4M2 MCU group and develop embedded systems applications using Flexible Software Package (FSP) and e studio IDE.

  • Page 9: Figure 1. Ek-Ra4M2 Board Top Side

    Renesas RA Family EK-RA4M2 v1 – User's Manual Grove and Qwiic Connectors Arduino (Analog and Power) Connector Pmod 1 Connector Pmod 2 Connector MCU Clock Crystals Figure 1. EK-RA4M2 Board Top Side R20UT4815EG0100 Rev 1.00 Page 5 of 30 Jan.04.21...

  • Page 10: Figure 2. Ek-Ra4M2 Board Bottom Side

    Renesas RA Family EK-RA4M2 v1 – User's Manual Pmod1 Configuration Debug Power Select Figure 2. EK-RA4M2 Board Bottom Side R20UT4815EG0100 Rev 1.00 Page 6 of 30 Jan.04.21...

  • Page 11: Assumptions And Advisory Notes

    Renesas RA Family EK-RA4M2 v1 – User's Manual 1.1 Assumptions and Advisory Notes 1. It is assumed that the user has basic understanding of microcontrollers and embedded systems hardware. 2. It is recommended that the user refers to the EK-RA4M2 Quick Start Guide to get acquainted with the kit and the Quick Start example project that EK-RA4M2 board comes pre-programmed with.

  • Page 12: Kit Contents

    Renesas RA Family EK-RA4M2 v1 – User's Manual 2. Kit Contents The following components are included in the kit: 1. EK-RA4M2 v1 board 2. Micro USB device cable (type-A male to micro-B male) 3. Micro USB host cable (type-A female to micro-B male) Figure 3.

  • Page 13: Hardware Architecture And Default Configuration

    Renesas RA Family EK-RA4M2 v1 – User's Manual 4. Hardware Architecture and Default Configuration 4.1 Kit Architecture The EK-RA4M2 board is designed with three sections or areas to help shorten the learning curve of the users and maximize the design and knowledge reuse among similar kits. The contents of these three areas are conceptually standardized among similar kits.

  • Page 14: System Block Diagram

    Renesas RA Family EK-RA4M2 v1 – User's Manual 4.2 System Block Diagram Grove x2 Qwiic LEDs User Arduino Status Power MikroBus Pmod x2 Programmable J-Link OB + SPI/ Power Debug Debug + ETM GPIO UART/ Delivery 10 pin and 20 pin...

  • Page 15: Traditional Pin Header Jumpers

    Renesas RA Family EK-RA4M2 v1 – User's Manual A solder-bridge jumper is provided with two isolated pads that may be joined together by one of three methods: • Solder may be applied to both pads to develop a bulge on each and the bulges joined by touching a soldering iron across the two pads.

  • Page 16: System Control And Ecosystem Access Area

    Renesas RA Family EK-RA4M2 v1 – User's Manual Location Circuit Group Default Open/Closed Function Pmod 1 Closed Connects +3.3V to Pmod 1 Pmod 1 Open Connects +5.0V to Pmod 1 Pmod 1 Open Connects P408 (SCL3) to Pmod 1 Pmod 1...

  • Page 17: Power

    Renesas RA Family EK-RA4M2 v1 – User's Manual 5.1 Power The EK-RA4M2 kit is designed for +5 V operation. An on-board Low Dropout Regulator (LDO) is used to convert the 5 V supply to a 3.3 V supply. The 3.3 V supply is used to power the RA MCU and other peripheral features.

  • Page 18: Power-Up Behavior

    5.2.1 Debug On-Board ® The on-board debug functionality is provided using Renesas S124 Debug MCU and SEGGER J-Link firmware. Debug USB Micro-B connector (J10) connects the S124 Debug MCU to an external USB Full Speed Host, allowing re-programming and debugging of the target RA MCU firmware. This connection is the default debug mode for the EK-RA4M2 board.

  • Page 19: Debug In

    Renesas RA Family EK-RA4M2 v1 – User's Manual To configure the EK-RA4M2 board to use the Debug On-Board mode, configure the jumpers using the following table. Table 5. Debug On-Board Jumper Configuration Location Default Open/Closed Function Closed Target RA MCU MD connected to debug...

  • Page 20: Table 6. Debug In Mode Jumper Configuration

    Renesas RA Family EK-RA4M2 v1 – User's Manual Table 6. Debug In Mode Jumper Configuration Location Default Open/Closed Function Closed Target RA MCU MD connected to debug Jumper on pins 1-2 Target RA MCU RESET# connected to debug RESET# Closed...

  • Page 21: Debug Out

    Renesas RA Family EK-RA4M2 v1 – User's Manual 5.2.3 Debug Out The EK-RA4M2 board can be configured to use the S124 Debug MCU to debug target RA MCU on an external board. A yellow indicator, LED5, shows the visual status of the debug interface. When the EK-RA4M2 board is powered on, and LED5 is blinking, this indicates that the S124 Debug MCU is not connected to a programming host.

  • Page 22: Sparkfun Qwiic Connector

    Renesas RA Family EK-RA4M2 v1 – User's Manual Figure 10. Seeed Grove and Qwiic Connectors ® ® 5.3.2 SparkFun Qwiic Connector A Qwiic connector is provided at J30. The Main MCU acts as a two-wire serial master, and a connected module acts as a two-wire serial slave.

  • Page 23: Figure 11. Pmod 1

    Renesas RA Family EK-RA4M2 v1 – User's Manual Pin 6 Pin 1 Pin 12 Pin 7 Figure 11. Pmod 1 The default setting of the Pmod 1 interface supports +3.3 V devices. Please ensure that any Pmod device installed is compatible with a +3.3 V supply.

  • Page 24: Arduino™ Connector

    Renesas RA Family EK-RA4M2 v1 – User's Manual 5.3.3.2 Pmod 2 A 12-pin Pmod type-2A connector is provided at J25, Pmod 2. The RA MCU acts as the SPI master, and the connected module acts as an SPI slave device. This interface may additionally be re-configured in firmware as several other Pmod types.

  • Page 25: Figure 14. Arduino Uno Connectors

    Renesas RA Family EK-RA4M2 v1 – User's Manual Arduino Compatible Connector EK-RA4M2 Description Signal/Bus J19-3 P003 (AN003) J19-4 P007 (AN007) J19-5 P014 (AN012/DA0) J19-6 P015 (AN013/DA1) J23-1 D0 / RXD P100 (RXD0) J23-2 D1 / TXD P101 (TXD0) J23-3 D2 / INT0...

  • Page 26: Mikroelektronika™ Mikrobus Connector

    Renesas RA Family EK-RA4M2 v1 – User's Manual 5.3.5 MikroElektronika™ mikroBUS Connector In the center of the System Control and Ecosystem Access area is a mikroBUS compatible connector interface. This interface is compliant with mikroBUS Standard Specifications revision 2.00. Table 16. mikroBUS Connections...

  • Page 27: Miscellaneous

    Renesas RA Family EK-RA4M2 v1 – User's Manual Table 17. USB Full Speed Connector USB Full Speed Connector EK-RA4M2 Description Signal/Bus J11-1 +5VDC Selected via J12 Host Mode: +5VUSB Device Mode: P407/USB_VBUS = 2/3 (5VUSB) J11-2 Data- USB_DM (USBFS_N) J11-3...

  • Page 28: User And Reset Switches

    Renesas RA Family EK-RA4M2 v1 – User's Manual Figure 18. Power LED 5.5.2 User and Reset Switches Three miniature, momentary, mechanical push-button type SMT switches are mounted on the EK-RA4M2 board. Pressing the Reset switch (S3) generates a reset signal to restart the RA MCU.

  • Page 29: Special Feature Access Area

    Renesas RA Family EK-RA4M2 v1 – User's Manual 6. Special Feature Access Area The Special Feature Access area provides features specific to the RA4M2 MCU group such as Quad-SPI. Figure 21. Special Feature Access Area 6.1 Quad-SPI Flash Included on the EK-RA4M2 board is a Macronix 32 MB Quad-SPI flash memory (MX25L25645G). The Quad-SPI flash (U2) connects to the Quad-SPI peripheral on the RA MCU and defaults to standard SPI mode initially.

  • Page 30: Mcu Native Pin Access Area

    Renesas RA Family EK-RA4M2 v1 – User's Manual 7. MCU Native Pin Access Area Figure 23. Native Pin Access Area 7.1 Breakout Pin Headers The EK-RA4M2 board pin headers, J1, J2, J3 and J4, provide access to all RA MCU interface signals, and to voltages for all RA MCU power ports.

  • Page 31: Mcu And Usb Current Measurement

    Renesas RA Family EK-RA4M2 v1 – User's Manual 7.2 MCU and USB Current Measurement Included in the Native Pin Access area are current measurement resistors and test points to measure the MCU USB controller current and the MCU core power current.

  • Page 32: Certifications

    Renesas RA Family EK-RA4M2 v1 – User's Manual 8. Certifications The EK-RA4M2 v1 kit meets the following certifications/standards. See page 4 of this user’s manual for the disclaimer and precautions. 8.1 EMC/EMI Standards • FCC Notice (Class A) This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

  • Page 33: Design And Manufacturing Information

    Renesas RA Family EK-RA4M2 v1 – User's Manual 9. Design and Manufacturing Information The design and manufacturing information for the EK-RA4M2 v1 kit is available in the “EK-RA4M2v1 Design Package” available on renesas.com/ra/ek-ra4m2. • Design package file name: ek-ra4m2-v1-designpackage.zip •...

  • Page 34: Revision History

    Renesas RA Family EK-RA4M2 v1 – User's Manual Revision History Description Rev. Date Page Summary 1.00 Jan.04.21 — Initial release R20UT4815EG0100 Rev 1.00 Page 30 of 30 Jan.04.21...
  • Page 35 EK-RA4M2 v1 – User’s Manual Publication Date: Jan.04.21 Published by: Renesas Electronics Corporation...
  • Page 36 EK-RA4M2 v1 – User’s Manual R20UT4815EG0100...

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