Table Of Contents - Renesas RL78/G22 User Manual

1. Overview ............................................................................................................................ 1
1.1 Purpose ...................................................................................................................................................... 1
1.2 Features ..................................................................................................................................................... 1
1.3 Preparation ................................................................................................................................................ 1
1.3.1 Installing the e
1.3.2 Installing the CS+ IDE ...................................................................................................................... 2
1.4 Board Specification Table .......................................................................................................................... 3
1.5 Block Diagram ............................................................................................................................................ 4
2. Board Layout ..................................................................................................................... 5
3. Parts Layout ...................................................................................................................... 6
4. Operating Environment ...................................................................................................... 7
5. User Circuits ...................................................................................................................... 8
5.1 Evaluation MCU ......................................................................................................................................... 8
5.2 USB Connector .......................................................................................................................................... 8
5.3 Power LED ................................................................................................................................................. 8
5.4 User LEDs .................................................................................................................................................. 8
5.5 Capacitive Touch Buttons and Touch Slider.............................................................................................. 8
5.6 Arduino Connectors ................................................................................................................................. 9

5.7 Pmod Connectors ................................................................................................................................. 12
TM
5.8 MCU Headers .......................................................................................................................................... 14
5.9 Grove Connector ...................................................................................................................................... 18
5.10 Clock ........................................................................................................................................................ 18
5.11 Reset Switch ............................................................................................................................................ 19
5.12 User Switch .............................................................................................................................................. 19
5.13 USB-to-Serial Converter and COM Port Debugging ............................................................................... 19
5.14 USB-to-Serial Converter Reset Header ................................................................................................... 20
5.15 Power-Supply Selection Header .............................................................................................................. 21
5.16 External Power Supply ............................................................................................................................. 22
5.17 Current Measurement Header ................................................................................................................. 23
5.18 Pattern for Cutting the I/O Power Supply for the USB-to-Serial Converter ............................................. 24
5.19 Emulator Connector ................................................................................................................................. 25
6. Handling Precautions ....................................................................................................... 27
6.1 Power to be Supplied ............................................................................................................................... 27
6.2 Remodeling the Board ............................................................................................................................. 27
6.3 Power Supplies and Usage Conditions ................................................................................................... 29
6.4 Note on Using QE for Capacitive Touch .................................................................................................. 30
6.5 Note on Using P12/TxD0 ......................................................................................................................... 32
7. Developing Code ............................................................................................................. 33
7.1 Using COM Port Debugging with the e
7.2 Using COM Port Debugging with CS+ ..................................................................................................... 34
8. Additional Information ...................................................................................................... 35

Table of Contents

studio IDE ............................................................................................................... 2
2
studio ........................................................................................ 33
2