R7FA2L1AB3CFL#AA0 Renesas RA2L1 Arm Cortex-M23 32-bit MCU 256KB Flash 48MHz LFQFP-48

R7FA2L1AB3CFL#AA0 Product Overview

The Renesas R7FA2L1AB3CFL#AA0 device features a 48MHz Arm Cortex-M23 core (Armv8-M architecture), the most energy-efficient CPU among Arm Cortex-M. Through optimized processing and Renesas' low-power process technology, the RA2L1 group achieves industry-leading ultra-low-power performance. Operating voltage ranges from 1.6V to 5.5V, with an industrial temperature range of -40℃ to +105℃. It integrates 256KB code flash, 32KB SRAM with ECC, and 8KB data flash (100,000 P/E cycles), with an enhanced second-generation Capacitive Touch Sensing Unit (CTSU2), 12-bit ADC (13 channels), 12-bit DAC (1 channel), 32-bit general PWM timer, 16-bit general PWM timer, low-power asynchronous general-purpose timer, and RTC. Connectivity includes 5× SCI (UART/simple SPI/simple I²C/SmartCard), 2× SPI, 2× I²C, and 1× CAN module. Security features include AES128/AES256 hardware encryption, TRNG, and a 128-bit unique ID. It comes in an LFQFP-48(7×7mm) package with 37 I/O ports, compliant with IEC60730 appliance safety standard.

R7FA2L1AB3CFL#AA0 Specifications

R7FA2L1AB3CFL#AA0 Applications

Capacitive touch HMI and appliance control panels

Battery-powered IoT terminals and smart sensors

Industrial automation sensor nodes and remote monitoring

Building automation and security equipment

Portable medical devices and consumer electronics

General-purpose embedded systems migrating from 8/16-bit MCUs

FAQs:

Question: What is the R7FA2L1AB3CFL#AA0?
Answer: It is a 32-bit microcontroller from Renesas' RA2L1 series, based on the Arm Cortex-M23 core in an LFQFP-48 package, featuring ultra-low power consumption and a wide 1.6V to 5.5V operating voltage range for industrial control, home appliances, and IoT sensor node applications.

Question: What is the core processor and operating frequency?
Answer: It features a 32-bit Arm Cortex-M23 core based on the Armv8-M architecture, operating at up to 48 MHz.

Question: What is the memory capacity?
Answer: It includes 256 KB code flash, 32 KB SRAM (with ECC), and 8 KB data flash, supporting 100,000 program/erase cycles.

Question: What are the operating voltage and temperature ranges?
Answer: The supply voltage range is 1.6 V to 5.5 V, and the operating temperature range is -40°C to +105°C, supporting wide-voltage and industrial-grade high-temperature applications.

Question: What are the features of the capacitive touch function?
Answer: It integrates an enhanced Capacitive Touch Sensing Unit (CTSU2) supporting 20-channel capacitive touch detection, ideal for home appliance and HMI applications requiring touch keys or sliders.

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