Renesas RL78/G24 User Manual
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Renesas RL78/G24 User Manual

Fast prototyping board
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RL78/G24
Fast Prototyping Board
16
16
16-Bit Single-Chip Microcontrollers
RL78 Family
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
User's Manual
Rev.1.00 Apr 2023

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Summary of Contents for Renesas RL78/G24

  • 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 The revision history summarizes the locations of revisions and additions. It does not list all revisions. Refer to the text of the manual for details. The following documents apply to the RL78/G24 Fast Prototyping Board. Be sure to refer to the latest versions of these documents.
  • Page 5 Digilent Inc. For the Pmod™ interface specification, refer to the Pmod™ License Agreement page at the Web site of Digilent Inc. Personal Computer Random Access Memory Renesas Flash Programmer Read Only Memory Serial Peripheral Interface Timer Pulse Unit UART Universal Asynchronous Receiver/Transmitter...

  • Page 6: Table Of Contents

    Table of Contents 1. Overview ..........................1 Purpose ..............................1 Features ..............................1 Preparation ..............................1 1.3.1 Installing the e studio IDE ....................... 2 1.3.2 Installing the CS+ IDE ........................2 Board Specification Table .......................... 3 Block Diagram ............................4 2.

  • Page 7: Overview

    This user’s manual describes the RL78/G24 Fast Prototyping Board (RTK7RLG240C00000BJ) (hereinafter referred to as “this product”). Purpose This product is an evaluation tool for a Renesas MCU. This user’s manual describes the hardware specifications, ways of setting switches, and the basic setup procedure. Features This product can handle the following tasks.

  • Page 8: Installing The E Studio Ide

    3. Select “RL78” for [Device Families]. 4. Confirm that the latest version of Renesas CCRL has been selected as the compiler. 5. Select the [I accept the terms of the Software Agreements] checkbox and then click on the [Install] button.

  • Page 9: Board Specification Table

    RL78/G24 Fast Prototyping Board 1. Overview Board Specification Table Table 1-1 shows the board specifications. Table 1-1 Board Specification Table Item Specification Part No.: R7F101GLG2DFB Evaluation MCU (RL78/G24) Package: 64-pin LFQFP On-chip memory: 128-KB ROM, 12-KB RAM, 4-KB data flash memory Board size 53.34 mm x 99.06 mm...

  • Page 10: Block Diagram

    RL78/G24 Fast Prototyping Board 1. Overview Block Diagram Figure 1-1 shows the block diagram of this product.  Grove Arduino Pmod MCU header Power connector connector connector Power- supply circuit Emulator Evaluation MCU connector (RL78/G24) USB-to-serial connector converter Reset switch...

  • Page 11: Board Layout

    RL78/G24 Fast Prototyping Board 2. Board Layout 2. Board Layout Figure 2-1 shows the external appearance of the top side of this product. Ten digital pins for  Arduino Eight digital pins for  Arduino MCU header J1 Reset switch...

  • Page 12: Parts Layout

    RL78/G24 Fast Prototyping Board 3. Parts Layout 3. Parts Layout Figure 3-1 shows the parts layout of this product. Unit: mm Figure 3-1 Parts Layout Figure 3-2 shows the external dimensions of this product. Unit: mm Figure 3-2 External Dimensions R20UT5091EJ0100 Rev.

  • Page 13: Operating Environment

    RL78/G24 Fast Prototyping Board 4. Operating Environment 4. Operating Environment Figure 4-1 shows the operating environment of this product. Install the IDE on the host PC. USB cable RL78/G24 Fast Prototyping Board Host PC Figure 4-1 Operating Environment R20UT5091EJ0100 Rev. 1.00 Page 7 of 36 Apr.16.23...

  • Page 14: User Circuits

    5. User Circuits Evaluation MCU The specifications for the power supply, system clock, and reset of the evaluation MCU (RL78/G24) at the time of shipment are as follows. Power supply: 5 V (VBUS) supplied from the USB (including the analog power supply) •...

  • Page 15: Arduino  Connectors

    RL78/G24 Fast Prototyping Board 5. User Circuits  Arduino Connectors The specification of the Arduino connectors is on the assumption that Arduino shields are to be   connectable. However, we do not guarantee connection to all types of Arduino shield.
  • Page 16 RL78/G24 Fast Prototyping Board 5. User Circuits  Table 5-1 Pin Assignments of the Arduino Connectors (1/2) Part No. in Name of RL78/G24  the Circuit Arduino Power Port Analog Serial Schematics Signal* Supply J3-1 N.C. J3-2 IOREF EVDD J3-3...
  • Page 17 RL78/G24 Fast Prototyping Board 5. User Circuits  Table 5-2 Pin Assignments of the Arduino Connectors (2/2) Part No. in Name of RL78/G24  the Circuit Arduino Power Port Analog Serial Schematics Signal* Supply J5-1 RX/0 RxD1 J5-2 TX/1 TxD1...

  • Page 18: Pmod Connectors

    Pmod1 is assumed to be connected to Pmod Interface Type 2A or 3A module*. Pmod2 is assumed to be connected to the Pmod Interface Type 6A module*. Note: For details on the Pmod module from Renesas, refer to the Web site at: https://www.renesas.com/quickconnect.
  • Page 19 RL78/G24 Fast Prototyping Board 5. User Circuits Table 5-3 Pin Assignments of Pmod (Pmod1) Pin No. of Name of RL78/G24 Pmod Pmod Power Port SPI (CSI) UART Signal Supply INTP11 SO10 TxD1 59(58) SI10 RxD1 (P04/SCL10)* 58(59) SCK10 (P03/SDA10)* EVDD...

  • Page 20: Mcu Headers

    RL78/G24 Fast Prototyping Board 5. User Circuits MCU Headers The MCU headers are provided as through holes J1 and J2 for a total of 32 (16 x 2) pins. The pin headers have a pitch of 2.54 mm and the evaluation MCU is connected to the through holes for the headers.
  • Page 21 RL78/G24 Fast Prototyping Board 5. User Circuits J1-30 P06/(INTP11)/(TRJIO0) J1-31 P05/(INTP10) J1-32 P30/INTP3/RTC1HZ/SCK00/SCL00/TRJO0/(VCOUT1) Notes: 1. The names of the Arduino signals correspond to the pin numbers for the Arduino IDE. The Arduino IDE will    be supported in the future.
  • Page 22 RL78/G24 Fast Prototyping Board 5. User Circuits Table 5-6 Pin Assignments of the MCU Headers (J2) Part No. in Name of RL78/G24  the Circuit Arduino Power Port and Peripheral Modules Others Schematics Signal* Supply J2-1 P50/INTP1/SI00/RxD0/TOOLRxD/DALIRxD0/SDA00/TRGIOA TOOLRxD /(TRJO0)/(TI03)/(VCOUT3) J2-2...
  • Page 23 RL78/G24 Fast Prototyping Board 5. User Circuits J2-30 P00/ANI29/IVCMP1/PGAI1/TI00/TRGCLKA/(TRJO0) J2-31 P141/PCLBUZ1/INTP7 J2-32 P140/PCLBUZ0/INTP6 Notes: 1. The names of the Arduino signals correspond to the pin numbers for the Arduino IDE. The Arduino IDE will    be supported in the future.

  • Page 24: Grove Connector

    RL78/G24 Fast Prototyping Board 5. User Circuits Grove Connector The specification of the grove connector is on the assumption that Grove modules are to be connectable; GROVE1 to GROVE3 are for connection through I2C. If a connector is mounted, however, connection to all Grove modules (through I2C) is not guaranteed.

  • Page 25: Clock

    MCU clocks, refer to the RL78/G24 User’s Manual: Hardware. For details on the clock circuit of this product, refer to the circuit schematics of the RL78/G24 Fast Prototyping Board. Table 5-10 shows the details of the clocks on the RL78/G24 Fast Prototyping Board.

  • Page 26: Usb-To-Serial Converter And Com Port Debugging

    RL78/G24 Fast Prototyping Board 5. User Circuits 5.12 USB-to-Serial Converter and COM Port Debugging A USB-to-serial converter (FT232RQ) from FTDI is mounted on the board and is usable with the standard driver of Windows 10. For other operating systems or drivers, install the driver by downloading from the following Web site of FTDI.

  • Page 27: Usb-To-Serial Converter Reset Header

    RL78/G24 Fast Prototyping Board 5. User Circuits 5.13 USB-to-Serial Converter Reset Header The USB-to-serial converter is placed in the forced reset state by short-circuiting its reset header (J14). If the evaluation MCU alone is to operate without the use of the RL78 COM port debug tool, place the USB-to-serial converter in the reset state.

  • Page 28: Power-Supply Selection Header

    RL78/G24 Fast Prototyping Board 5. User Circuits 5.14 Power-Supply Selection Header The operating power (VDD) of the evaluation MCU can be changed to supply from the emulator or external power, and to 5 V or 3.3 V with the use of a header (J16). Only change the jumper setting of J16 while power is not being supplied.
  • Page 29 RL78/G24 Fast Prototyping Board 5. User Circuits Power-supply selection header (J16) Open-circuit: emulator or external power Figure 5-7 Setting of the Header to Select Supply from the Emulator or External Power (Top Side) R20UT5091EJ0100 Rev. 1.00 Page 23 of 36...

  • Page 30: External Power Supply

    RL78/G24 Fast Prototyping Board 5. User Circuits 5.15 External Power Supply When the evaluation MCU is to have a desired power-supply voltage, or when more current is required, use an external power supply. The usable voltages depend on the evaluation MCU.

  • Page 31: Current Measurement Header

    RL78/G24 Fast Prototyping Board 5. User Circuits 5.16 Current Measurement Header This header (J9) is used to measure the current drawn by the evaluation MCU (J9 header components are not mounted). Connecting an ammeter to this product enables measurement of the current being drawn by the evaluation MCU.
  • Page 32 RL78/G24 Fast Prototyping Board 5. User Circuits Insert an ammeter between the sockets of the current measurement header (J9) to measure the current. Cut the pattern for cutting (VCCIO) (Figure 5-12) and turn down the LED to reduce the current drawn with an MCU other than the evaluation MCU.

  • Page 33: Separate Pattern For Vdd And Evdd

    RL78/G24 Fast Prototyping Board 5. User Circuits 5.17 Separate Pattern for VDD and EVDD When VDD and EVDD are to be used with different potentials, cut the given pattern for cutting (VDD_EVDD). Figure 5-11 shows the position of the pattern for cutting.

  • Page 34: Emulator Connector

    This 14-pin connector (J7) is used to connect this product to an on-chip debugging E2 emulator or E2 emulator Lite, from Renesas Electronics, incorporating programming facilities (the connector is not mounted). The emulator is used for programming or debugging the evaluation MCU.
  • Page 35 RL78/G24 Fast Prototyping Board 5. User Circuits After the changes to the circuit have been made to connect the emulator as described in the previous page, if you want to restore the settings to those for COM port debugging with the use of the USB-to-serial converter, make the following change of setting as follows.

  • Page 36: Handling Precautions

    RL78/G24 Fast Prototyping Board 6. Handling Precautions 6. Handling Precautions Power to be Supplied When power is supplied to this product from an emulator or through the USB, note that the total current of VDD, EVDD, 5 V, and 3.3 V should not exceed the maximum current of 200 mA.
  • Page 37 RL78/G24 Fast Prototyping Board 6. Handling Precautions In the circuit schematics, the symbol below indicates that there are only short-circuit pads without any pattern for cutting. R20UT5091EJ0100 Rev. 1.00 Page 31 of 36 Apr.16.23...

  • Page 38: Power Supplies And Usage Conditions

    • J16: open-circuit 5.0 V Notes: 1. Connecting the RL78/G24 Fast Prototyping Board to an Arduino shield, a Pmod module, or a Grove module  shall be conducted at the user’s own responsibility and should only proceed after confirming the specifications of the power supply and interfaces.

  • Page 39: Note On Using P51/Txd0

    UART transmission to the P51/TxD0 line is written to the target MCU before the host PC recognizes the USB-to-serial converter as the COM port, the operation of the USB-to-serial converter may be unstable and prevent connection to the Renesas Flash Programmer or terminal software.

  • Page 40: Developing Code

    [Target Device]: Select [R7F101GLG]. • [Connection with Target Board]: • [COM Port]: Select the COM port number for assignment to the RL78/G24 FPB from the pull-down list. [Reset control pin]: Select [DTR]. R7F101GLG Figure 7-1 Settings of the e studio R20UT5091EJ0100 Rev.

  • Page 41: Using Com Port Debugging With Cs

    RL78/G24 Fast Prototyping Board 7. Developing Code Using COM Port Debugging with CS+ Figure 7-2 and Figure 7-3 show the settings of CS+ when it is to be connected to the RL78/G24 Fast Prototyping Board. [Using Debug Tool]: • Select [RL78 COM Port] from [Using Debug Tool] in the [Debug] menu.

  • Page 42: Additional Information

    Copyright This document may be, wholly or partially, subject to change without notice. All rights reserved. Duplication of this document, either in whole or part is prohibited without the written permission of Renesas Electronics Europe Limited. © 2023 Renesas Electronics Corporation. All rights reserved.
  • Page 43 Revision History RL78/G24 Fast Prototyping Board User’s Manual Rev. Date Description Page Summary 1.00 Apr.16.23 ⎯ First Edition issued...
  • Page 44 RL78/G24 Fast Prototyping Board User’s Manual Publication Date: Rev.1.00 Apr.16.23 Published by: Renesas Electronics Corporation...
  • Page 45 RL78/G24 R20UT5091EJ0100...

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