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Renesas RA4 Series User Manual
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Renesas RA4 Series User Manual

Renesas RA4 Series User Manual

Evaluation kit for ra4l1 microcontroller group
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RA4L1 Group
Evaluation Kit for RA4L1 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 (https://www.renesas.com).
www.renesas.com
EK-RA4L1 v1
User's Manual
Rev 1.01 Jan 2025

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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: Corporate Headquarters

    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-RA4L1, 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-RA4L1 v1 Contents Kit Overview ..........................5 Assumptions and Advisory Notes ......................8 Kit Contents ..........................9 Ordering Information ........................ 10 Hardware Architecture and Default Configuration ..............10 Kit Architecture ............................10 System Block Diagram .......................... 12 Jumper Configuration ..........................
  • Page 6 Renesas RA Family EK-RA4L1 v1 – User's Manual 5.5.2 User and Reset Switches ........................30 5.5.3 MCU Boot Mode ..........................30 Special Feature Access Area ....................31 CAN FD Bus ............................31 Quad-SPI Flash ............................. 31 Segment LCD Board Interface ......................32 MCU Native Pin Access Area ....................
  • Page 7 Renesas RA Family EK-RA4L1 v1 – User's Manual Figure 17. User LEDs ............................ 29 Figure 18. Power LED ........................... 29 Figure 19. MCU Power LED .......................... 29 Figure 20. Debug LED ........................... 29 Figure 21. Reset and User Switches ......................30 Figure 22.
  • Page 8 Renesas RA Family EK-RA4L1 v1 – User's Manual Table 24. USB Full Speed Port Assignments .................... 28 Table 25. EK-RA4L1 Board LED Functions ....................29 Table 26. EK-RA4L1 Board Switches ......................30 Table 27. CAN FD Bus Connections Between U5 and RA4L1 ..............31 Table 28.

  • Page 9: Kit Overview

    Renesas RA Family EK-RA4L1 v1 – User's Manual 1. Kit Overview The EK-RA4L1, an Evaluation Kit for RA4L1 MCU Group, enables users to seamlessly evaluate the features of the RA4L1 MCU group and develop embedded systems applications using Flexible Software Package (FSP) and e studio IDE.

  • Page 10: Figure 1. Ek-Ra4L1 Board Top Side

    Renesas RA Family EK-RA4L1 v1 – User's Manual Figure 1. EK-RA4L1 Board Top Side R20UT5480EG0101 Rev 1.01 Page 6 of 39 Jan.20.25...

  • Page 11: Figure 2. Ek-Ra4L1 Board Bottom Side

    Renesas RA Family EK-RA4L1 v1 – User's Manual Figure 2. EK-RA4L1 Board Bottom Side R20UT5480EG0101 Rev 1.01 Page 7 of 39 Jan.20.25...

  • Page 12: Assumptions And Advisory Notes

    Renesas RA Family EK-RA4L1 v1 – User's Manual 1.1 Assumptions and Advisory Notes 1. It is assumed that the user has a basic understanding of microcontrollers and embedded systems hardware. 2. It is recommended that the user refers to the EK-RA4L1 Quick Start Guide to get acquainted with the kit and the Quick Start example project that EK-RA4L1 board comes pre-programmed with.

  • Page 13: Kit Contents

    Renesas RA Family EK-RA4L1 v1 – User's Manual 2. Kit Contents The following components are included in the kit: 1. EK-RA4L1 v1 board 2. USB-C to USB-C cable 3. USB-A to USB-C cable 4. USB-C to USB-A female host cable 5.

  • Page 14: Ordering Information

    Renesas RA Family EK-RA4L1 v1 – User's Manual 3. Ordering Information • EK-RA4L1 v1 kit orderable part number: RTK7EKA4L1S01001BE Notes: The underlined character in the orderable part number represents the kit version. • EK-RA4L1 board dimensions: 80 mm (width) x 145 mm (length) •...

  • Page 15: Figure 4. Ek-Ra4L1 Board Functional Area Definitions

    Renesas RA Family EK-RA4L1 v1 – User's Manual Figure 4. EK-RA4L1 Board Functional Area Definitions R20UT5480EG0101 Rev 1.01 Page 11 of 39 Jan.20.25...

  • Page 16: System Block Diagram

    Renesas RA Family EK-RA4L1 v1 – User's Manual 4.2 System Block Diagram Figure 5. EK-RA4L1 Board Block Diagram R20UT5480EG0101 Rev 1.01 Page 12 of 39 Jan.20.25...

  • Page 17: Jumper Configuration

    Renesas RA Family EK-RA4L1 v1 – User's Manual 4.3 Jumper Configuration Two types of jumpers are provided on the EK-RA4L1 board. 1. Copper jumpers (trace-cut type and solder bridge type) 2. Traditional pin header jumpers The following sections describe each type and their default configuration.
  • Page 18 Renesas RA Family EK-RA4L1 v1 – User's Manual Location Circuit Group Default Open/Closed Function J-Link OB Open Configures JLOB_RESET# for on-board debugger mode J-Link OB Jumper on pins 1-2 Connects the J-Link OB debugger to the RA MCU Jumper on pins 3-4...

  • Page 19: Default Switch Configuration

    Renesas RA Family EK-RA4L1 v1 – User's Manual Location Circuit Group Default Open/Closed Function Grove 2 Open Connects P003 (AN001) to Grove 2 pin 2 Grove 2 Open Connects P004 (AN002) to Grove 2 pin 1 CAN FD Closed Connects CANL to J34 pin 1...

  • Page 20: System Control And Ecosystem Access Area

    Renesas RA Family EK-RA4L1 v1 – User's Manual 5. System Control and Ecosystem Access Area The following figure shows the System Control and Ecosystem Access area on the EK-RA4L1 board. Subsequent sections detail the features and functionality provided in the area.

  • Page 21: Power

    Renesas RA Family EK-RA4L1 v1 – User's Manual 5.1 Power The EK-RA4L1 kit is designed for +5 V operation. An on-board Low Dropout Regulator (ISL80103IRAJZ) 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 22: Power Supply Considerations

    Renesas RA Family EK-RA4L1 v1 – User's Manual 5.1.1.4 Option 4: Low Power Input EK-RA4L1 supports operation at a low power mode. A regulated voltage of +1.6 V can be supplied through J14. Refer Section 8 for the jumper configurations.

  • Page 23: Debug On-Board

    Debug On-Board ® The on-board debug functionality is provided using Renesas RA4M2 Debug MCU and SEGGER J-Link firmware. Debug USB-C connector (J10) connects the RA4M2 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-RA4L1 board.

  • Page 24: Debug In

    Renesas RA Family EK-RA4L1 v1 – User's Manual Jumpers on pins 1-2, 3-4, 5-6, 7-8 Target RA MCU debug signals connected to the Debug Interface To use this debug mode in low power mode operation, configure the jumpers following Table 7.

  • Page 25: Table 12. Jtag/Swd/Swo Port Assignments (J13)

    Renesas RA Family EK-RA4L1 v1 – User's Manual JTAG Port Assignments EK-RA4L1 JTAG Pin Name SWD/SWO Pin Name Signal/Bus J20-12 J20-13 J20-14 J20-15 J20-16 RESET RESET TRST J20-17 J20-18 J20-19 J20-20 Only for debug out Table 12. JTAG/SWD/SWO Port Assignments (J13)

  • Page 26: Debug Out

    Renesas RA Family EK-RA4L1 v1 – User's Manual 5.2.3 Debug Out The EK-RA4L1 board can be configured to use the RA4M2 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-RA4L1 board is powered on, and LED5 is blinking, this indicates that the RA4M2 Debug MCU is not connected to a programming host.

  • Page 27: Connections

    Renesas RA Family EK-RA4L1 v1 – User's Manual 5.3.1.2 Grove 2 A Seeed Grove I C connector footprint is provided at J28. The RA MCU acts as a two-wire serial master, and a connected module acts as a two-wire serial slave.

  • Page 28: Figure 12. Pmod 1 Connector

    Renesas RA Family EK-RA4L1 v1 – User's Manual 5.3.3.1 Pmod 1 A 12-pin Pmod connector is provided at J26, Pmod 1. This Pmod connector is controlled by a switch options (S4-1) and (S4-2). Table 18. Pmod 1 Port Assignments Pmod 1 Port Assignments...

  • Page 29: Arduino ® Connector

    Renesas RA Family EK-RA4L1 v1 – User's Manual 5.3.3.2 Pmod 2 A 12-pin Pmod connector is provided at J25, Pmod 2. Please note that by default Pmod 2 pins 1-4 cannot be used as these pins are used for Segment LCD power supply pins.

  • Page 30: Figure 14. Arduino Uno Connectors

    Renesas RA Family EK-RA4L1 v1 – User's Manual Arduino UNO Port Assignments EK-RA4L1 Description Signal/Bus J18-8 J19-1 P510 (AN025) J19-2 P511 (AN024) J19-3 P512 (AN023) J19-4 P513 (AN022) J19-5 P003 (AN001) J19-6 P004 (AN002/DA0) J23-1 P608 (RXD1/GTIOC4B) J23-2 P115 (TXD1/GTIOC4A)

  • Page 31: Mikroelektronika Mikrobus Tm Connector

    Renesas RA Family EK-RA4L1 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. Please note the mikroBUS connector cannot be used when Segment LCD is in use, see Table 22.

  • Page 32: Connectivity

    Renesas RA Family EK-RA4L1 v1 – User's Manual 5.4 Connectivity 5.4.1 USB Full Speed The USB-C connection jack (J11) connects the RA MCU USB Full Speed interface to an external USB interface, allowing communications for testing and use of the RA MCU firmware. This connection can be configured as either a USB Device or a USB Host interface.

  • Page 33: Miscellaneous

    Renesas RA Family EK-RA4L1 v1 – User's Manual 5.5 Miscellaneous 5.5.1 User and Power LEDs Six LEDs are provided on the EK-RA4L1 board. Behavior of the LEDs on the EK-RA4L1 board is described in the following table. Table 25. EK-RA4L1 Board LED Functions...

  • Page 34: User And Reset Switches

    Renesas RA Family EK-RA4L1 v1 – User's Manual 5.5.2 User and Reset Switches Three miniature, momentary, mechanical push-button type SMT switches are mounted on the EK-RA4L1 board. Pressing the reset switch (S3) generates a reset signal to restart the RA MCU.

  • Page 35: Special Feature Access Area

    Renesas RA Family EK-RA4L1 v1 – User's Manual 6. Special Feature Access Area The Special Feature Access area provides features specific to the RA4L1 MCU group such as Quad-SPI Flash and CAN FD. Figure 23. Special Feature Access Area 6.1 CAN FD Bus The EK-RA4L1 board provides a CAN FD bus transceiver (MCP2562FD-E/MF) that is connected directly to the RA MCU.

  • Page 36: Segment Lcd Board Interface

    Renesas RA Family EK-RA4L1 v1 – User's Manual Quad-SPI Flash EK-RA4L1 Description Signal/Bus QSPI_SIO3/RESET# P505 QSPI_VSS QSPI_VCC +3.3 V Figure 25. Quad-SPI Flash 6.3 Segment LCD Board Interface The RA MCU supports interface to a Segment LCD Board at port J2. Table 30 shows the port assignments of the segment LCD board and its corresponding signals to the RA MCU.

  • Page 37: Figure 26. Segment Lcd Board Port Connector

    Renesas RA Family EK-RA4L1 v1 – User's Manual Segment LCD Board Port Assignments EK-RA4L1 Description Signal/Bus J2-27 SEG9 J2-28 SEG32 P204 J2-29 SEG10 J2-30 SEG31 P407 J2-31 SEG11 J2-32 SEG30 P415 J2-33 SEG12 J2-34 SEG29 P708 J2-35 SEG13 P115 J2-36...

  • Page 38: Mcu Native Pin Access Area

    Renesas RA Family EK-RA4L1 v1 – User's Manual 7. MCU Native Pin Access Area Figure 27. Native Pin Access Area 7.1 Breakout Pin Headers (not populated) The EK-RA4L1 board pin header footprints, J1, J3, and J4 provide access to nearly all RA MCU interface signals, and to voltages for all RA MCU power ports.

  • Page 39: Figure 29. Ra +3.3 V Current Measurement Circuit

    Renesas RA Family EK-RA4L1 v1 – User's Manual Figure 29. RA +3.3 V Current Measurement Circuit Figure 30. RA MCU and USB Current Measurement R20UT5480EG0101 Rev 1.01 Page 35 of 39 Jan.20.25...

  • Page 40: Low Power Mode Operation

    Renesas RA Family EK-RA4L1 v1 – User's Manual 8. Low Power Mode Operation EK-RA4L1 supports operation in a low power mode by reducing the MCU voltage. A regulated voltage of at least +1.6 V can be supplied through J14 subject to the cautionary notes below.

  • Page 41: Certifications

    Renesas RA Family EK-RA4L1 v1 – User's Manual 10. Certifications The EK-RA4L1 v1 kit meets the following certifications/standards. See page 3 of this user’s manual for the disclaimer and precautions. 10.1 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 42: Design And Manufacturing Information

    Renesas RA Family EK-RA4L1 v1 – User's Manual 11. Design and Manufacturing Information The design and manufacturing information for the EK-RA4L1 v1 kit is available in the “EK-RA4L1 v1 Design Package” available on renesas.com/ek-ra4l1. • Design package file name: ek-ra4l1kit-v1-designpackage.zip •...

  • Page 43: Revision History

    Renesas RA Family EK-RA4L1 v1 – User's Manual Revision History Description Rev. Date Page Summary 1.00 Jan.20.25 — MP Release 1.01 Jan.27.25 6,7,9,11,34 Updated figures R20UT5480EG0101 Rev 1.01 Page 39 of 39 Jan.20.25...
  • Page 44 EK-RA4L1 v1 – User’s Manual Publication Date: Jan.20.25 Published by: Renesas Electronics Corporation...
  • Page 45 EK-RA4L1 v1 – User’s Manual R20UT5480EG0101...

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