RENR7FA2E1A73CFM#AA0
Overview
The Renesas RA2E1 (R7FA2E1A73CFM#AA0) is an entry-level 32-bit microcontroller built on the Arm Cortex-M23 core, designed for low-power applications. It operates at up to 48MHz and features 64KB of Flash memory and 16KB of SRAM. This MCU integrates a range of peripherals and robust security features suitable for cost-sensitive and power-constrained designs.
Why Choose This Part
This microcontroller offers an excellent balance of low power consumption (0.25uA in standby), essential peripherals, and integrated security features like AES and TRNG. Its 5V tolerant I/O and wide voltage range (1.6V to 5.5V) simplify integration into diverse systems. The Cortex-M23 core provides an efficient 32-bit processing solution for cost-optimized designs.
Applications
Key Specifications
Getting Started
To get started with the Renesas RA2E1, developers can utilize the Renesas Flexible Software Package (FSP), which provides drivers, middleware, and RTOS support. The Renesas e2 studio IDE, based on Eclipse, supports development and debugging. Evaluation kits for the RA family are available from Renesas and distributors, providing a platform for rapid prototyping.
R7FA2E1A73CFM# Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | Peripherals | Stock |
|---|---|---|
| R7FA2E1A73CFM#AA0 (this part) | AES, Capacitive To.. | 1,452 |
| R7FA2E1A73CFM#BA0 (Renesas Electronics Corporation) | AES, DMA, LVD, POR.. | 852 |



