Overview
Description
The RA2L2 MCU USB Type-C reference design is a solution for small battery applications with USB Type-C, such as USB data loggers, TWS charging cases, and PC peripherals. In this reference design, the RA2L2 32-bit MCU is used as the main CPU to control peripheral devices such as the charging IC, sensor devices, and the LCD to manage the entire system. Each of the three demonstration use cases allows users to easily experience the RA2L2's features, such as USB Type-C detection, USB 2.0 Full-Speed communication, rich serial communication, and low power.
To aid in development, various technical information, including PCB design files and sample code, is available for this reference design.
This is a reference design only; boards are not available for purchase.
Features
- Demonstrates the main functions of the RA2L2 MCU close to real application operation
- RA2L2 (R7FA2L2093CFM)
- Flash: 128KB, RAM: 16KB, Data Flash: 4KB, Package: 64-pin QFP
- USB Type-C detection, USB 2.0 Full-Speed (FS) communications, rich connectivity, low power
- Compact, single board with battery and small color LCD display
- Supports three demo use cases and two demo modes like real applications
- Three demo use cases: Stand-alone (battery running), connecting to a charger, and connecting to a PC
- Two demo modes: Low consumption sensing demo mode, mouse demo mode
- Supports two power supplies and charging circuits
- Two power supplies: 1-cell lithium-ion battery, USB bus power
- Charging circuit using the DA9168 battery charger IC
Applications
Documentation
Featured Documentation
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| Manual - Hardware | PDF 890 KB 日本語 | |
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Design & Development
Videos & Training
RA2L2 MCU Reference Design: Ultra-Low Power Performance in Action
This reference design demo showcases the Renesas RA2L2 MCU delivering ultra-low power operation, fast wake-up times, and simplified peripheral control—ideal for cost-sensitive and battery-powered applications. Explore the key features in action and learn how to accelerate your embedded development with Renesas’ flexible tools and ecosystem.
Video List
