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R7FA2L1AB2DFL#AA0

RENR7FA2L1AB2DFL#AA0

Renesas Electronics Corporation
ARM® Cortex®-M23 RA2L1 Microcontroller IC 32-Bit 48MHz 256KB (256K x 8) FLASH 48-LFQFP (7x7)
Active750 in stock

Overview

The R7FA2L1AB2DFL#AA0 is an entry-level 32-bit microcontroller from the Renesas RA2L1 group, featuring an Arm Cortex-M23 core running at 48MHz. It is designed for ultra-low power consumption, drawing as little as 0.3uA in software standby mode while providing integrated capacitive touch sensing and robust security features like AES128/256.

Why Choose This Part

This MCU offers a high-performance 48MHz core with 256KB Flash and 32KB RAM in a compact 48-LQFP package. It excels in power efficiency, achieving 64uA/MHz in run mode, and includes 5V tolerant I/O pins for simplified interfacing with legacy industrial components.

Applications

Battery-Powered IoT Sensors
Utilizes the ultra-low standby current and wide 1.6V to 5.5V operating range for extended battery life in remote sensing nodes.
HMI Touch Panels
Features a high-sensitivity capacitive touch sensing unit (CTSU2) suitable for appliance interfaces and waterproof touch controls.
Industrial Communications
Integrates CANbus and multiple SCI interfaces for reliable data exchange in industrial automation and building control systems.
Secure Edge Devices
Employs the hardware AES acceleration and True Random Number Generator (TRNG) to protect local data and communication links.

Key Specifications

Speed 48MHz
RAM Size 32K x 8
Core Size 32-Bit
EEPROM Size 8K x 8
Peripherals AES, Capacitive Touch, DMA, LVD, POR, PWM, Temp Sensor, TRNG, WDT
Connectivity CANbus, I2C, SCI, SPI, SmartCard, UART/USART
Mounting Type Surface Mount
Number of I/O 37
Core Processor ARM Cortex-M23
Package / Case 48-LQFP
Data Converters A/D 13x12b SAR; D/A 1x12b
Oscillator Type External
Program Memory Size 256KB (256K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 48-LFQFP (7x7)
Voltage - Supply (Vcc/Vdd) 1.6V ~ 5.5V

Getting Started

Developers can use the Renesas Flexible Software Package (FSP) with the e2 studio IDE or Keil MDK for rapid driver configuration. For hardware evaluation, the EK-RA2L1 evaluation kit provides access to all MCU pins and the integrated capacitive touch interface.

Also Consider

ATSAMD21G18A-AUT MCHPMicrochip Technology - Commonly used Cortex-M0+ alternative with a wider ecosystem of hobbyist libraries and 256KB Flash.