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RA2E3

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Product Longevity: 2037

48MHz Arm Cortex-M23 Entry-Level, Ultra-Low Power General-Purpose Microcontroller

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Features

  • 48MHz Arm Cortex-M23 Core
  • Up to 64KB flash memory and 16KB SRAM
  • 2KB data flash memory (100,000 program/erase (P/E) cycles)
  • Package options of 32-pin and 48-pin
  • Wide voltage range of 1.6V to 5.5V
  • 16-bit general-purpose timers, 32-bit general-purpose timer, and 16-bit low-power asynchronous general-purpose timers
  • 12-bit A/D converter and temperature sensor
  • SCI (UART, Simple SPI, Simple I2C), SPI, and I2C bus
  • Safety functions
Find Other Products in RA Arm Cortex-M MCUs
RA2E3 Block Diagram
RA2E3 48 MHz Arm Cortex-M23 Ultra-Low Power, Entry-Line MCUs
RA2E3 Block Diagram
RA2E3 48 MHz Arm Cortex-M23 Ultra-Low Power, Entry-Line MCUs

Description

The RA2E3 group is an entry-line, single-chip microcontroller in the RA family based on the 48MHz Arm® Cortex®-M23 core with up to 64KB code flash and 16KB SRAM memory. RA2E3 MCUs provide an optimized feature set for cost-sensitive applications by supporting pin-to-pin and peripheral compatibility with RA2E1 MCUs. Ultra-low power consumption contributes to energy-efficient system design, required for IoT applications and battery-operated systems to achieve longer battery life.

Parameters

AttributesValue
Main CPUArm Cortex-M23
Program Memory (KB)32, 64
RAM (KB)16
Carrier TypeBulk (Tray), Full Carton (Tray), Full Tray (Tray), Tape & Reel
Supply Voltage (V)1.6 - 5.5
I/O Ports26, 40
DRAM I/FNo
Temp. Range (°C)Ta = -40 to +85, Ta = -40 to +105
Operating Freq (Max) (MHz)48
Ethernet speedNo
EtherCat (ch) (#)0
USB FS (host ch/device ch)( 0 / 0 )
USB HS (host ch/device ch)( 0 / 0 )
USB SS (host ch/device ch)( 0 / 0 )
SCI or UART (ch)3, 4
SPI (ch)1
I2C (#)1
CAN (ch)0
CAN-FD (ch)0
WirelessNo
SDHI (ch)0
High Resolution Output TimerNo
PWM Output (pin#)9, 14
32-Bit Timer (ch)1
16-Bit Timer (ch) (#)6
Standby operable timerYes
Asynchronous General Purpose Timer / Interval Timer (ch)2
16-Bit A/D Converter (ch)0
14-Bit A/D Converter (ch)0
12-Bit A/D Converter (ch)10, 13
24-Bit Sigma-Delta A/D Converter (ch)0
12-Bit D/A Converter (ch)0
8-Bit D/A Converter (ch)0
Capacitive Touch Sensing Unit (ch)0
Image CodecNo
Segment LCD ControllerNo
Security & EncryptionUnique ID

Package Options

Pkg. TypePkg. Dimensions (mm)Lead Count (#)Pitch (mm)
HWQFN5 x 5 x 0.8320.5
HWQFN7 x 7 x 0.8480.5
LFQFP7 x 7 x 1.7320.8
LFQFP7 x 7 x 1.7480.5
LQFP7 x 7 x 1.7320.8
LQFP7 x 7 x 1.7480.5

Application Block Diagrams

Electric Toothbrush with UV Sanitation Block Diagram
Electric Toothbrush with UV Sanitation
An electric toothbrush with UV sanitization and NFC brush authentication.

Additional Applications

  • General Purpose
  • IoT Devices
  • Industrial Automation, Industrial Sensors
  • Consumer Applications
  • Home Appliances
  • Building Automation
  • Medical & Healthcare
  • Wearable Devices

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