RA0E2 Microcontroller

The Renesas RA0E2 group is a low-end MCU in the RA0 MCU series. It features an Arm Cortex-M23 core with low power and peripherals, which are optimized for BOM cost reduction and have a simple design for the low-end MCU market. The RA0E2 group supports up to 128 KB code Flash, 16 KB SRAM memory, a wide operating voltage range of 1.6 V to 5.5 V, and a wide operating temperature range of -40°C to +125°C.

The BOM cost reduction and simplified design are achieved through optimized functions. The 32 MHz Arm Cortex-M23 CPU, integrated with cost-efficient peripherals, makes it ideal for budget-conscious applications. Its high operating temperature range of -40°C to +125°C simplifies thermal design, reducing the need for additional cooling solutions. Additionally, including a high-precision (±1.0%) high-speed on-chip oscillator ensures enhanced accuracy. With a wide operating voltage range of 1.6 V to 5.5 V, the design eliminates the need for level shifters or voltage regulators in 5 V systems, further streamlining the bill of materials (BOM).

Low-power operation enhances energy efficiency and prolongs battery life. The microcontroller operates with an active current of just 88 μA/MHz and a standby current as low as 0.29 μA, making it highly power-efficient. Its flexible power architecture allows for a quick wake-up from standby mode in just 1.6 microseconds, ensuring a balance between performance and energy savings.

To accelerate the design process, the microcontroller offers ease of use, scalability, and compatibility with other series in the RA family. Engineers benefit from a shared ecosystem and common development tools across the RA family, simplifying integration and reducing development time. Additionally, a quick prototyping evaluation board is available at an affordable price, enabling faster testing and deployment of applications.