Renesas RA0E1

The RA0E1 group is a basic, simple MCU in the entry line of the RA0 series, offering excellent cost effectiveness and ultra-low power consumption. It delivers up to 32MHz of CPU performance using an Arm Cortex-M23 core with up to 64KB of embedded flash memory and a wide supply voltage range from 1.6V to 5.5V. The RA0 series is ideal for cost-sensitive applications such as low power and lower cost for consumer electronics, system control for small appliances, industrial system control and building automation.

Key features

• 32 MHz Arm Cortex-M23 core
• Up to 64KB Flash and 12KB SRAM
• 1KB data flash memory (100,000 program / erase (P/E) cycles)
• 16-pin and 32-pin package options
• Wide voltage range of 1.6V to 5.5V
• TAU (16-bit general PWM timer)
• TML32 (32-bit interval timers)
• RTC
• 12-bit A/D converter
• Temperature sensor
• SAU (UART, Simple SPI, Simple I2C)
• UART
• I²C bus
• Random number generator
• Safety functions
• +-1% high accuracy high-speed on-chip oscillator
• Flexible power architecture with fast wake-up
• Best-in class HAL driver code
• Supports Arm ecosystem and Renesas original development tools

Applications

• Household water pump
• Bathroom odor detector
• Access control with body temperature measurement
• HVAC environment monitor module for public buildings
• IoT devices
• General purpose systems
• Industrial automation and sensors
• Consumer applications
• Home appliances
• Building automation
• Medical and healthcare devices
• Wearable devices