Renesas R8C/1A Group and R8C/1B Group Hardware Manual

About this manual

This manual provides hardware‑level information for the Renesas R8C/1A and R8C/1B microcontroller groups. It is intended for designers who need detailed knowledge of pin functions, register maps, and electrical specifications when integrating these MCUs into their applications.

The document includes an overview of the product family, block diagrams, pin assignment tables, CPU register descriptions, memory organization, and safety precautions. Reference documents and revision history are also listed, with links to the Renesas website for the latest updates.

What's inside

• Overview
• Performance Overview
• Block Diagram
• Pin Assignments
• Pin Functions
• CPU
• Memory
• Register Notation
• Abbreviations and Acronyms

Specifications

Frequently asked questions

Where can the latest Renesas product information be found?

On the Renesas Technology Corp. website at http://www.renesas.com.