RL78 Family
- Overview
- Product Selector
- Documentation
- Software & Tools
- Design Support
Development Environment for the Renesas RL78 Family MCUs
Renesas Tools for the RL78
Renesas Electronics and selected partners offer a comprehensive suite of hardware and software tools for the rapid evaluation and development of embedded systems built with RL78 MCUs.

RL78 Renesas Promotion Board RPBRL78G13 details here
Hardware development tools
A low-cost on-chip debugging emulator and a full-spec emulator are available. You can select the environment that best matches your debugging needs.
E1 on-chip debugging emulator
The E1 provides a wide range of support for Renesas microcontrollers at low cost. This emulator connects to the RL78 MCU's through its proprietary single-wire interface for efficient on-chip debugging.
E1 product details here
IECUBE In-circuit Emulators
Comprehensive break functions, trace functions useful for analyzing illegal operations, time measurement functions for measuring maximum/minimum/average program execution times, coverage functions for measuring program execution coverage rate, and more, are equipped as standards.
IECUBE product details here
Software development tools
The IAR Embedded Workbench for RL78 and the Renesas Applilet device driver generator are available to develop code quickly and efficiently. Applilet is a GUI-based tool that interactively generates device driver code to initialize and use on-chip peripherals.
IAR Embedded Workbench for RL78 details here
Third Party Tools
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IAR Embedded Workbench for RL78 (EWRL78) |
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CMX-RTX |
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μC/OS-II and μC/OS-III |
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Segger embOS |
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FreeRTOS |
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