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Features

  • 48MHz Arm Cortex-M23 core
  • Up to 128KB Flash and 16KB SRAM
  • 4KB data flash to store data as in EEPROM
  • Scalable from 32-pin to 64-pin packages
  • Wide operation temperature range from -40 °C to 125 °C
  • Wide voltage range of 1.6V to 5.5V
  • ±1% high-accuracy high-speed on-chip oscillator
  • 32-bit general PWM timer, low-power asynchronous general-purpose timer
  • 16-bit general PWM timer
  • Real-time clock (RTC)
  • 12-bit A/D converter
  • Temperature sensor
  • USB FS without crystal, USB Type-C interface
  • SCI (UART, simplified SPI, simplified I2C, smart card interface)
  • Low-power UART
  • I3C bus
  • CAN
  • SPI
  • SSI (Serial Sound Interface)
  • Random number generator
  • Safety functions

Description

The RA2L2 group is the RA Family’s entry-level single-chip microcontroller based on the 48MHz Arm® Cortex®-M23 core and up to 128KB code flash and 16KB SRAM memory. The optimized processing and Renesas' low-power process technology make it the industry's most energy-efficient ultra-low power MCU. The RA2L2 group supports a wide operating voltage range of 1.6V to 5.5V, and it has rich serial communication functions such as I3C, SSI, low power UART, CAN, USB Full-Speed (FS) without crystal, and USB Type-C interface. The RA2L2 provides pin and peripheral compatibility with the RA2L1 group, RA2E1 group, and RA2A1 group and is ideal for battery-operated applications and other systems requiring high performance and low-energy consumption in space-constrained applications.

Parameters

Attributes Value
Main CPU Arm Cortex-M23
Program Memory (KB) 64, 128
RAM (KB) 16
Carrier Type Full Carton (Tray), Full Tray (Tray), Tape & Reel
Supply Voltage (V) -
I/O Ports 24, 38, 54
DRAM I/F No
Temp. Range (°C) Ta = -40 to +105, Ta = -40 to +125
Operating Freq (Max) (MHz) 48
Ethernet speed No
EtherCat (ch) (#) 0
USB FS (host ch/device ch) ( 0 / 1 )
USB HS (host ch/device ch) ( 0 / 0 )
USB SS (host ch/device ch) ( 0 / 0 )
SCI or UART (ch) 4
SPI (ch) 1
I2C (#) 0
CAN (ch) 1
CAN-FD (ch) 0
Wireless No
SDHI (ch) 0
High Resolution Output Timer No
PWM Output (pin#) 9, 14
32-Bit Timer (ch) 1
16-Bit Timer (ch) (#) 6
Standby operable timer Yes
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, 17
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 Codec No
Segment LCD Controller No
Security & Encryption 128-bit Unique ID, TRNG

Package Options

Pkg. Type Pkg. Dimensions (mm) Lead Count (#) Pitch (mm)
LQFP 7 x 7 x 1.7 32 0.8
LQFP 7 x 7 x 1.7 48 0.5
LQFP 10 x 10 x 1.7 64 0.5
QFN 5 x 5 x 0.8 32 0.5
QFN 7 x 7 x 0.8 48 0.5

Application Block Diagrams

USB Data Logger Block Diagram
USB Data Logger
Portable USB-C data logger for high-speed, low-power, and accurate metric recording anywhere.
Electronic Toll with GNSS Block Diagram
Electronic Toll with GNSS
ETC systems automate toll payments to reduce traffic and eliminate manual toll booth delays.
Wired Gaming Keyboard Block Diagram
Gaming Keyboard
A power-efficient, highly integrated, and compact keyboard system with customizable RGB lighting and stable, low-latency wireless performance.
Wired Gaming Mouse Block Diagram
Gaming Mouse
A power-efficient, highly integrated, and compact mouse system with customizable RGB lighting and stable, low-latency wireless performance.
Dual-needle gauge interactive block diagram displays multiple real-time values for fast, intuitive analog monitoring.
Dual-Needle Gauge
Dual-needle gauge displays two real-time values for fast, intuitive analog monitoring.
Current Loop Communication with AnalogPAK Block Diagram
Current Loop Communication with AnalogPAK
AnalogPAK™ enables a 4-20mA current loop with HART modem and FSK modulation support.​
Universal USB Converter for USB-UART, USB-I2C, USB-I3C Block Diagram
Universal USB Converter for USB-UART, USB-I2C, USB-I3C
Connect UART, SPI, I2C, and I3C devices to a PC via a universal USB converter with Pmod support.

Additional Applications

  • Audio streaming device
  • PC peripherals
  • POS system peripherals
  • General-purpose systems
  • IoT devices
  • Industrial automation and sensors
  • Consumer applications
  • Home appliances
  • Building automation
  • Medical and healthcare devices
  • Wearable device

Applied Filters:

This video introduces the RA2L2 MCU, supporting USB Type-C® standard Rev2.4 and USB FS for advanced connectivity. Learn how it enhances power efficiency, simplifies designs, and accelerates time to market for USB-powered applications.

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