Renesas RL78/G23-128p User Manual
  1. Manuals
  2. Brands
  3. Renesas Manuals
  4. Microcontrollers
  5. RL78/G23-128p
  6. User manual

Renesas RL78/G23-128p User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
RL78/G23-128p
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 Sep 2021

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RL78/G23-128p and is the answer not in the manual?

Questions and answers

Related Manuals for Renesas RL78/G23-128p

Summary of Contents for Renesas RL78/G23-128p

  • 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/G23-128p Fast Prototyping Board. Be sure to refer to the latest versions of these documents.
  • Page 5 Light Emitting Diode Micro-controller Unit n/a (NA) Not applicable n/c (NC) Not connected Personal Computer Random Access Memory Renesas Flash Programmer Read Only Memory Serial Peripheral Interface Timer Pulse Unit UART Universal Asynchronous Receiver/Transmitter Universal Serial Bus Watchdog timer All trademarks and registered trademarks are the property of their respective owners.

  • Page 6: Table Of Contents

    Table of Contents 1. Overview ..........................1 Purpose ..............................1 Features ..............................1 Preparation ..............................1 Board Specification Table .......................... 2 Block Diagram ............................3 2. Board Layout ........................4 3. Parts Layout ........................5 4. Operating Environment ...................... 6 5.

  • Page 7: Overview

    This user’s manual describes the RL78/G23-128p Fast Prototyping Board (RTK7RLG230CSN000BJ) (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: Board Specification Table

    RL78/G23-128p 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.: R7F100GSN2DFB Evaluation MCU (RL78/G23 with Package: 128-pin LFQFP 128 pins) On-chip memory: 768-KB ROM, 48-KB RAM, 8-KB data flash memory Board size 53.34 mm x 99.06 mm...

  • Page 9: Block Diagram

    RL78/G23-128p Fast Prototyping Board 1. Overview Block Diagram Figure 1-1 shows the block diagram of this product. Grove MCU header Arduino Pmod Power connector connector connector Power- supply circuit Emulator Evaluation MCU connector (RL78/G23 with 128 pins) USB-to-serial connector converter...

  • Page 10: Board Layout

    RL78/G23-128p 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 MEGA MCU header J3 (60 to 71) Eight digital pins for Arduino...

  • Page 11: Parts Layout

    RL78/G23-128p Fast Prototyping Board 3. Parts Layout 3. Parts Layout Figure 3-1 shows the parts layout of this product. Touch Button 2 Touch Button 1 Figure 3-1 Parts Layout Figure 3-2 shows the external dimensions of this product. Figure 3-2 External Dimensions R20UT4870EJ0100 Rev.

  • Page 12: Operating Environment

    RL78/G23-128p 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/G23-128p Fast Prototyping Board Host PC Figure 4-1 Operating Environment R20UT4870EJ0100 Rev. 1.00 Page 6 of 43 Sep.16.21...

  • Page 13: User Circuits

    RL78/G23-128p Fast Prototyping Board 5. User Circuits 5. User Circuits Evaluation MCU The specifications for the power supply, system clock, and reset of the evaluation MCU (RL78/G23 with 128 pins) at the time of shipment are as follows. • Power supply: 5 V (VBUS) supplied from the USB (including the analog power supply) •...

  • Page 14: Arduino Connectors

    RL78/G23-128p 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. Confirm the specifications of this product against any Arduino...
  • Page 15 RL78/G23-128p Fast Prototyping Board 5. User Circuits Table 5-1 Pin Assignments of the Arduino Connectors (1/2) Part No. in Name of RL78/G23 (128 Pins) the Circuit Arduino Power Port Analog Serial Schematics Signal* Supply J5-1 N.C. J5-2 IOREF EVDD J5-3...
  • Page 16 RL78/G23-128p Fast Prototyping Board 5. User Circuits Table 5-2 Pin Assignments of the Arduino Connectors (2/2) Part No. in Name of RL78/G23 (128 Pins) the Circuit Arduino Power Port Analog Serial Schematics Signal* Supply J8-1 SCLA0 J8-2 SDAA0 J8-3 RxD2...

  • Page 17: Pmod Connectors

    (RTK00WFMX0B00000BE). 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. However, we do not guarantee connection to all types of Pmod module. Confirm the specifications of this product against any Pmod...
  • Page 18 RL78/G23-128p Fast Prototyping Board 5. User Circuits Table 5-3 Pin Assignments of Pmod (Pmod1) Pin No. of Name of RL78/G23 (128 Pins) Pmod Pmod Power Port SPI (CSI) UART Signal Supply P141 P144 SO30 TxD3 P143 SI30 RxD3 (P60/SCLA0)* P142...

  • Page 19: Mcu Headers

    RL78/G23-128p Fast Prototyping Board 5. User Circuits MCU Headers The MCU headers are provided as through holes; J1 includes the headers for a total of 28 pins, J2 includes the headers for a total of 12 pins, and J3 and J4 include the headers for a total of 14 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 20 RL78/G23-128p Fast Prototyping Board 5. User Circuits Table 5-5 Pin Assignments of the MCU Headers (J11 and J1) Part No. in Name of RL78/G23 (128 Pins) the Circuit Arduino Power Port and Peripheral Modules Others Schematics Signal* Supply J11-5 TOOL0...
  • Page 21 RL78/G23-128p Fast Prototyping Board 5. User Circuits Table 5-6 Pin Assignments of the MCU Headers (J2) Part No. in Name of RL78/G23 (128 Pins) the Circuit Arduino Power Port and Peripheral Modules Others Schematics Signal* Supply J2-1 P97/SO11 J2-2 P112...
  • Page 22 RL78/G23-128p Fast Prototyping Board 5. User Circuits Table 5-7 Pin Assignments of the MCU Headers (J3) Part No. in Name of RL78/G23 (128 Pins) the Circuit Arduino Power Port and Peripheral Modules Others Schematics Signal* Supply J3-1 P06/TS11* Touch button 2...
  • Page 23 RL78/G23-128p Fast Prototyping Board 5. User Circuits Table 5-8 Pin Assignments of the MCU Headers (J4) Part No. in Name of RL78/G23 (128 Pins) the Circuit Arduino Power Port and Peripheral Modules Others Schematics Signal* Supply J4-1 P123/XT1* Sub-clock J4-2...

  • Page 24: Grove Connector

    RL78/G23-128p 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 GROVE4 are for connection through I2C and GROVE5 is for connection through a UART. If a connector is mounted, however, connection to all Grove modules (through I2C or UART) is not guaranteed.

  • Page 25: Clock

    MCU clocks, refer to the RL78/G23 User’s Manual: Hardware. For details on the clock circuit of this product, refer to the circuit schematics of the RL78/G23-128p Fast Prototyping Board. Table 5-14 shows the details of the clocks on the RL78/G23-128p Fast Prototyping Board.

  • Page 26: Usb-To-Serial Converter

    RL78/G23-128p Fast Prototyping Board 5. User Circuits 5.13 USB-to-Serial Converter 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, install the driver by downloading from the following Web site of FTDI.

  • Page 27: Power-Supply Selection Header

    RL78/G23-128p Fast Prototyping Board 5. User Circuits 5.15 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 (J20). Only change the jumper setting of J20 while power is not being supplied.
  • Page 28 RL78/G23-128p Fast Prototyping Board 5. User Circuits Power-supply selection header Touch Button Touch Button Figure 5-7 Setting of the Header to Select Supply from the Emulator or External Power (Top Side) R20UT4870EJ0100 Rev. 1.00 Page 22 of 43 Sep.16.21...

  • Page 29: External Power Supply

    RL78/G23-128p Fast Prototyping Board 5. User Circuits 5.16 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 30 RL78/G23-128p Fast Prototyping Board 5. User Circuits Insert an ammeter between the sockets of the current measurement header (J13) to measure the current. Remove 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 31: Separate Pattern For Vdd And Evdd

    RL78/G23-128p Fast Prototyping Board 5. User Circuits 5.18 Separate Pattern for VDD and EVDD When VDD and EVDD are to be used with different potentials, remove the given pattern for cutting (VDD_EVDD). Figure 5-11 shows the position of the pattern for cutting.

  • Page 32: Emulator Connector

    This 14-pin connector (J11) 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 33 RL78/G23-128p Fast Prototyping Board 5. User Circuits For the usage of the emulator, refer to the E1/E20/E2 Emulator, E2 emulator Lite Additional Document for User’s Manual (Notes on Connection of RL78) (R20UT1994). 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 34: Handling Precautions

    J20: open-circuit 5.0 V Notes: 1. Connecting the RL78/G23-128p 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. When an Arduino shield requires the supply of 5-V or 3.3- V power, connect the host PC to this board via the USB cable.
  • Page 35 RL78/G23-128p Fast Prototyping Board 6. Handling Precautions 3.3 V Arduino IOREF Pmod Grove VDD/EVDD RL78/G23 5 V (VBUS) 3.3 V Micro B Power-supply selection Emulator header (J20) (Pin J1-2: EVDD) External VCCIO power supply (Pin J1-1: EVDD EVSS) FTDI Figure 6-1 Block Diagram of the Power-Supply Circuit R20UT4870EJ0100 Rev.

  • Page 36: Note On Using Qe For Capacitive Touch

    RL78/G23-128p Fast Prototyping Board 6. Handling Precautions Note on Using QE for Capacitive Touch When you are using QE for Capacitive Touch (QE) with this product, change the circuits in the following cases (1) and (2). For the methods for developing touch applications with the use of QE, refer to the application note “RL78 Family Using QE and SIS to Develop Capacitive Touch Applications”...
  • Page 37 RL78/G23-128p Fast Prototyping Board 6. Handling Precautions Note: When the circuit is configured for the case “(1) Usage with the serial connection function of QE” above, the following forms of usage are not available with QE. • Debugging or programming through COM port debugging •...

  • Page 38: Developing Code

    [Debug hardware]: Select [COM port (RL78)]. • [Target Device]: Select [R7F100GSN]. • [Connection with Target Board]: [COM Port]: Select the COM port number for assignment to the RL78/G23-128p FPB from the pull-down list. [Reset control pin]: Select [DTR]. R7F100GSN Figure 7-1 Settings of the e studio R20UT4870EJ0100 Rev.

  • Page 39: Using Cs

    RL78/G23-128p Fast Prototyping Board 7. Developing Code Using CS+ Figure 7-2 and Figure 7-3 show the settings of CS+ when it is to be connected to the RL78/G23-128p Fast Prototyping Board. • [Using Debug Tool]: Select [RL78 COM Port] from [Using Debug Tool] in the [Debug] menu.

  • Page 40: 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. © 2021 Renesas Electronics Corporation. All rights reserved.
  • Page 41 RL78/G23-128p Fast Prototyping Board User’s Manual Revision History Rev. Date Description Page Summary ⎯ 1.00 Sep.16.21 First Edition issued...
  • Page 42 RL78/G23-128p Fast Prototyping Board User’s Manual Publication Date: Rev.1.00 Sep.16.21 Published by: Renesas Electronics Corporation...
  • Page 43 RL78/G23 R20UT4870EJ0100...

Table of Contents