Renesas Electronics RA2E1 48MHz ARM Cortex®-M23 MCU is the entry-level MCU in the RA Family based on the 48MHz Arm Cortex®-M23 core. The MCU has up to 128KB code flash and 16KB SRAM memory. It enables the widespread use of microcontrollers for general-purpose design builds. The RA2E1 has a wide operating voltage range of 1.6V to 5.5V. An array of memory and package options like LQFP, QFN, LGA, BGA, and the smallest WLCSP are available.
Features
48MHz Arm Cortex®-M23
Up to 128kB Flash Memory and 16kB SRAM (with Parity), 4kB Data Flash
Scalable from 25-pin to 100-pin packages with large Package availability
Capacitive Touch Sensing Unit (CTSU2)
1ch of GPT32, 6ch of GPT16, 2ch of LP AGT, RTC
12-bit ADC, LPACMP
SCI (UART, Simple SPI, Simple I2C)
SPI/ I2C Multi-master interface
Safety and Security
Entry-level Single-chip 32-bit Arm MCU offers a range of low-power, wide package availability options for cost-sensitive consumer applications
Reduce system BOM by eliminating external components
Single-chip solutions for system and robust touch functions (CTSU2)
Comfortable for low-level C programmers, coming from 8/16-bit MCU background
Applications
General-purpose
Home appliances (washer/dryer, dishwasher, refrigerator, cooking range, water heater)
Small Battery devices
Portable healthcare
Industrial automation (digital gauge, sensor, safety module, motor actuator)
Building automation (HVAC, smoke detector, thermostat, alarm system, lighting)