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RA0E1

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Product Longevity: 2037

32MHz Arm Cortex-M23 Entry-Level Ultra-Low Power General-Purpose Microcontroller

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Features

  • 32MHz 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
Find Other Products in RA Arm Cortex-M MCUs
RA0E1 Block Diagram

Description

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.

Parameters

AttributesValue
Main CPUArm Cortex-M23
Program Memory (KB)32, 64
RAM (KB)12
Carrier TypeBulk (Tray), Full Carton (Tray), Full Tray (Tray), Magazine, Tape & Reel
Supply Voltage (V)1.6 - 5.5
I/O Ports13, 17, 21, 29
DRAM I/FNo
Temp. Range (°C)Ta = -40 to +105
Operating Freq (Max) (MHz)32
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)2, 3
I2C (#)3, 4
CAN (ch)0
CAN-FD (ch)0
WirelessNo
SDHI (ch)0
High Resolution Output TimerNo
PWM Output (pin#)7
32-Bit Timer (ch)0
16-Bit Timer (ch) (#)8
Standby operable timerYes
Asynchronous General Purpose Timer / Interval Timer (ch)1
16-Bit A/D Converter (ch)0
14-Bit A/D Converter (ch)0
12-Bit A/D Converter (ch)5, 6, 8, 10
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 & Encryption128-bit Unique ID, TRNG

Package Options

Pkg. TypePkg. Dimensions (mm)Lead Count (#)Pitch (mm)
LQFP7 x 7 x 1.7320.8
LSSOP6 x 4.4 x 1.45200.65
QFN3 x 3 x 0.8160.5
QFN4 x 4 x 0.5240.5
QFN5 x 5 x 0.8320.5
TSSOP6.5 x 4.4 x 1.2200.65

Application Block Diagrams

Interactive block diagram of the heatstroke prevention watch features and ultra-low power MCU, single-chip NFC charging, and low-energy flash memory.
Heatstroke Prevention Watch
A low-power wearable detects heatstroke risks and alerts users to take early action.
Household Water Pump Block Diagram
Household Water Pump
Smart water pump system with low power use, noise reduction, and enhanced safety for efficient operation.

Additional Applications

  • General purpose systems
  • IoT devices
  • Industrial automation and sensors
  • Consumer applications
  • Home appliances
  • Building automation
  • Medical & healthcare devices
  • Wearable devices

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