Renesas RA2A2 group

The RA2A2 group of Arm^® Cortex^®-M23 core MCUs with rich peripheral features delivers a better design experience that allows high-level analog sensing while reducing power consumption, system cost and overall footprint using dual bank flash, segment LDC and low-power operation.

Key features

• Easy to implement FOTA by dual bank flash & bank swap capabilities
• New segment LDC controller to realize panel drive current reduction
• Independ Power Supply RTC for long battery life operation
• 24bit SDADC to realize high accuracy AD conversion with low power

Additional features

• 48 MHz Arm^® Cortex^®-M23 core
• 512KB flash memory (Dual Bank) and 48KB SRAM
• 8KB data flash memory (100,000 program/erase (P/E) cycles)
• 64-pin, 80-pin and 100-pin LFQFP package options
• Up to 7ch of 24-bit Sigma-Delta A/D converter with digital filter, 12-bit A/D converter and temperature sensor
• 16-bit general purpose timers, 32-bit and 16-bit low-power AGT timers and independent power supply RTC
• SCI (UART, Simple SPI, Simple I2C), SPI and I2C bus
• Segment LCD controller (8com x 38seg)
• Security functions including AES, Secure MPU, Flash Access Window, TRNG
• High current drive & 5V tolerant IO ports
• +-1% High Accurate High speed on-chip oscillator 
• Wide voltage range: 1.6V – 5.5V
• Flexible power architecture with Fast wake up 
• Best-in class HAL driver code
• Support Arm ecosystem and Renesas original development tool
• Ta = -40℃ to +105℃ support

Applications

• Electricity meter, flow meter
• EV charger, data logger
• Circuit breaker, digital gauge
• Aircon, water heater, air purifier
• Fitness tracker, high-end portable, BGM
• PC peripheral, wearable, IoT edge devices

Available tools

• IDE
  • Renesas e2 studio
  • Keil MDK
  • IAR system EWARM
     
• Compiler
  • GNU CC
  • Arm LLVM
  • Arm compiler 6
  • IAR systems
     
• Software support
  • FSP (Flexible Software Package)
  • Smart configurator
  • Driver selection
  • Intelligent pin mapping
     
• On chip debug
  • Renesas E2 Emulator / E2 Emulator Lite
  • Segger J-Link
  • IAR I-Jet
     
• Evaluation boards
  • EK-RA2A2 including on-chip debugger (P/N: RTK7EKA2A2S00001BJ)