(1) Downloading the user's manual
Download the user's manual from the Web site below and check the full specifications before using the board.
(2) Package components
The package includes the RL78/G23-128p Fast Prototyping Board (RTK7RLG230CSN000BJ) and this Quick Start Guide.
(3) Table of board specifications
| Item | Specification |
|---|---|
| Evaluation MCU | RL78/G23 with 128 pins |
| Part No.: R7F100GSN2DFB; package: 128-pin LFQFP | |
| On-chip memory: 768-KB ROM, 48-KB RAM, 8-KB data flash memory | |
| Push switches | Reset switch x 1, user switch x 1 |
| LEDs | Power indicator: green x 1, user: green x 2 |
| Capacitive touch buttons | 2 |
| Pmod™ connectors | Connectors: Angle type, 12 pins x 2 |
| Arduino™ connectors | Connectors: 8 pins x 5, 10 pins x 1. The interfaces are partially compatible with Arduino™ Mega; digital pins D22 to D53 on Arduino™ Mega are not supported. |
| Grove connectors | Interface for Grove modules. I2C: x 4; UART: x 1 |
(4) Parts layout
The RL78/G23-128p Fast Prototyping Board features the following components and connectors:
- MCU Headers: J1 (pins 23-47), J2 (pins 48-59), J3 (pins 60-71), and J4 (pins 72-84).
- Indicators: Power LED (green), User LED (green x 2).
- Switches: Reset switch, User switch.
- Connectors: Micro-USB connector, Grove UART connector, two Touch Button connectors (Touch Button 1, Touch Button 2), Power-supply selection header.
- Compatibility Headers: Ten digital pins for Arduino™ MEGA, eight digital pins for Arduino™ MEGA x 2, eight analog pins for Arduino™ MEGA x 2, eight power pins for Arduino™ MEGA.
- Specialized Connectors: Emulator connector, Pmod™ Type 3A connector, Pmod™ Type 6A connector, four Grove I2C connectors.
- On-board MCU: RL78/G23.
- Sub-clock component.
(5) Pmod™ interface
The board provides two Pmod™ connectors (PMOD1 and PMOD2) for peripheral module expansion. Each connector offers specific pin assignments:
PMOD1 Interface
| Pin No. | Power | Port | SPI (CSI) | UART | I2C | INT |
|---|---|---|---|---|---|---|
| 1 | VCC | P141 | ||||
| 2 | VCC | P140 | SO30 | TxD3 | INTP6 | |
| 3 | P143 | S130 | RxD3 | |||
| 4 | P142 | SCK30 | TxD1 | |||
| 5 | GND | P03 | RxD1 | |||
| 6 | VCC | |||||
| 7 | VCC | |||||
| 8 | VCC | |||||
| 9 | GND | |||||
| 10 | GND | |||||
| 11 | VCC | |||||
| 12 | VCC |
PMOD2 Interface
| Pin No. | Power | Port | SPI (CSI) | UART | I2C | INT |
|---|---|---|---|---|---|---|
| 1 | VCC | |||||
| 2 | VCC | |||||
| 3 | GND | |||||
| 4 | GND | |||||
| 5 | VCC | |||||
| 6 | VCC | |||||
| 7 | VCC | P16 | INTP5 | |||
| 8 | VCC | P47 | SO20 | |||
| 9 | P13 | SCLA1 | ||||
| 10 | P62 | SDAA1 | ||||
| 11 | GND | P04 | ||||
| 12 | VCC | P63 | P07 |
(6) Arduino™ interface
The board offers compatibility with the Arduino™ platform, featuring a comprehensive pinout:
| Analog Port | Pin Name | Port | PWM | SERIAL |
|---|---|---|---|---|
| EVDD | ||||
| N.C. | ||||
| IOREF | ||||
| RESET | ||||
| 3V3 | ||||
| 5V | ||||
| GND | ||||
| GND | ||||
| VIN | ||||
| ANI26 | P115 | A0 | ||
| ANI25 | P116 | A1 | ||
| ANI24 | P117 | A2 | ||
| ANI8 | P147 | A3 | ||
| ANI20 | P100 | A4 | ||
| ANI14 | P156 | A5 | ||
| ANI13 | P155 | A6 | ||
| ANI12 | P154 | A7 | ||
| ANI11 | P153 | A8 | ||
| ANI10 | P152 | A9 | ||
| ANI9 | P151 | A10 | ||
| ANI8 | P150 | A11 | ||
| ANI7 | P27 | A12 | ||
| ANI6 | P26 | A13 | ||
| ANI5 | P25 | A14 | ||
| ANI4 | P24 | A15 | ||
| P60 | SCLA0 | |||
| P61 | SDAA0 | |||
| P20 | ||||
| P67 | TO13 | |||
| P66 | TO12 | |||
| P65 | TO11 | |||
| P64 | TO10 | |||
| P31 | TO03 | |||
| P42 | TO04 | |||
| P46 | TO05 | |||
| P103 | TO14 | |||
| P104 | TO15 | |||
| P105 | TO16 | |||
| P106 | TO17 | |||
| P145 | TO07 | |||
| P34 | TxDA1 | |||
| P33 | RxDA1 | |||
| P144 | TxD3 | |||
| P143 | RxD3 | |||
| P02 | TxD1 | |||
| P03 | RxD1 | |||
| P13 | TxD2 | |||
| P14 | RxD2 | |||
| P61 | SDAA0 | |||
| P60 | SCLA0 |
