Renesas RA0E3
RA0E3 - 32MHz Arm Cortex-M23 Entry-Level Ultra-Low Power General-Purpose Microcontroller with 16KB Flash
The RA0E3 is a cost‑effective, entry‑level general‑purpose microcontroller (MCU) designed for low‑pin‑count applications that demand simplicity, efficiency, and reliable performance. Built on the Arm® Cortex®‑M23 core, the RA0E3 delivers ultra‑low power consumption, streamlined peripherals, and an architecture optimized to reduce BOM cost and accelerate development for the low-end MCU market.
Offering 16KB of flash, 2KB SRAM, and a wide operating voltage range of 1.6V to 5.5V, the RA0E3 provides a flexible platform for compact, power‑conscious designs. Its robust ‑40°C to 125°C operating temperature range makes it ideal for consumer, industrial, and IoT environments that require dependable performance in challenging conditions.
Features
- 32MHz Arm Cortex-M23 core
- 16KB flash and 2KB SRAM
- Wide voltage range of 1.6V to 5.5V
- TAU (16-bit general PWM timer)
- TML32 (32-bit interval timers)
- 10-bit A/D converter
- Temperature sensor
- SAU (UART, Simple SPI, Simple I2C)
- I2C bus
- Safety functions
- +-1% high-accuracy high-speed on-chip oscillator
- Best-in-class HAL driver code
- Supports Arm ecosystem and Renesas original development tools
Applications
- Consumer electronics
- System control for small appliances
- Industrial system control
- Building automation
Block diagram
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Renesas
RA MCU Family
The Renesas RA Family is a new 32-bit MCU family built on the Arm® Cortex®-M core architecture. The Renesas RA Family meets the scalability, power consumption and performance needs of nearly any embedded systems end-product.
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