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RL78/G22 Fast Prototyping Board
1.4
Board Specification Table
Table 1-1 shows the board specifications.
Table 1-1
Board Specification Table
Item
Evaluation MCU (RL78/G22)
Board size
Power-supply voltage
Power-supply circuit*
2
Current drawn
Main clock*
1
Sub-clock
Push switches
LEDs
Capacitive touch button
Capacitive touch slider
USB connector
Arduino
connectors
Pmod™ connectors
MCU headers*
1
USB-to-serial converter
USB-to-serial converter reset
header
Current measurement header*
Power-supply selection header*
Emulator connector*
1
Grove connector
Notes: 1. This part is not mounted.
2. The intended source of power for the evaluation MCU on the board as shipped is VBUS (5 V). Setting a
jumper is required if power is to be supplied from other sources. For details, refer to Chapter 5, User Circuits.
R20UT5121EJ0100 Rev. 1.00
Nov.16.22
Part No.: R7F102GGE2DFB
Package: 48-pin LFQFP
On-chip memory: 64-KB ROM, 4-KB RAM, 2-KB data flash memory
53.34 mm x 99.06 mm
VDD: 1.6 V to 5.5 V
USB connector: VBUS (5 V) or 3.3 V (default)
External power supply: 1.6 V to 5.5 V
E2 emulator or E2 emulator Lite
Max. 200 mA
OSC1: Crystal oscillator (surface-mount technology (SMT)) for the main system
clock
OSC2: Crystal oscillator or ceramic resonator (lead type) for the main system
clock
OSC3: Crystal oscillator (SMT) for the sub-clock
Reset switch x 1
User switch x 1
Power indicator: green x 1
User: green x 2
2
1 (with a three-electrode configuration)
Connector: Micro USB Type-B
Connectors: 6 pins x 1, 8 pins x 2, 10 pins x 1
The interfaces are compatible with the Arduino
Connectors: Angle type, 12 pins x 2
Headers: 12 pins (2 pins x 6 columns) x 4
Used as the interface with the RL78 COM port debug tool.
FT232RQ from FTDI x 1
Header: 2 pins x 1 (open-circuit by default)
1
Headers: 2 pins x 1
2
Header: 3 pins x 1
14-pin connector for connecting an E2 emulator or E2 emulator Lite
Emulator selection headers: 2 pins x 3
Interface for Grove modules
I2C: 1
Specification
A jumper block for switching the QE
serial connection
UNO R3 board.
1. Overview
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