EmbeddedRelated.com
    Parts    R7FA4M2AD3CFM#AA0
R7FA4M2AD3CFM#AA0

RENR7FA4M2AD3CFM#AA0

Renesas Electronics Corporation
ARM® Cortex®-M33 RA4M2 Microcontroller IC 32-Bit 100MHz 512KB (512K x 8) 64-LFQFP (10x10)
Active1,170 in stock
Datasheet Digi-Key Mouser Compare Prices

Overview

The R7FA4M2AD3CFM#AA0 is a 32-bit microcontroller from the Renesas RA4M2 series, featuring an Arm Cortex-M33 core running at 100MHz. It integrates 384KB of Flash memory and 128KB of SRAM, specifically designed for applications requiring high security and low power consumption. This MCU includes hardware-based cryptographic acceleration and a Capacitive Touch Sensing Unit (CTSU) for modern user interface designs.

Why Choose This Part

This MCU stands out for its high security integration, including a dedicated Memory Protection Unit and cryptographic hardware accelerators. The combination of 5V tolerant I/Os and a low run current of 8.1mA at 100MHz provides flexibility for industrial power environments while maintaining efficiency. Its Armv8-M architecture with TrustZone support offers a hardware-isolated environment for sensitive code and data.

Applications

Secure IoT Endpoints
Leverages the integrated AES, RSA, and SHA crypto engines to secure data transmission and device authentication.
Human-Machine Interface (HMI)
Utilizes the built-in Capacitive Touch Sensing Unit for implementing robust touch buttons and sliders without external controllers.
Industrial Sensor Nodes
Provides efficient 100MHz performance with low standby current (16uA) and CANbus connectivity for reliable field communication.
Smart Home Appliances
Manages system control, security, and touch interfaces in connected white goods and home automation devices.

Key Specifications

Speed 100MHz
RAM Size 128K x 8
Core Size 32-Bit
EEPROM Size 8K x 8
Peripherals Capacitive Touch, Crypto - AES, DMA, LVD, POR, PWM, RSA, SHA, Temp Sensor, WDT
Connectivity CANbus, I2C, QSPI, SCI, SPI, UART/USART, USB
Mounting Type Surface Mount
Number of I/O 44
Core Processor ARM Cortex-M33
Package / Case 64-LQFP
Data Converters A/D 9x12b SAR; D/A 2x12b
Oscillator Type Internal
Program Memory Size 512KB (512K x 8)
Operating Temperature -40degC ~ 105degC (TA)
Supplier Device Package 64-LFQFP (10x10)
Voltage - Supply (Vcc/Vdd) 2.7V ~ 3.6V

Getting Started

Start development using the Renesas Flexible Software Package (FSP), which provides production-ready drivers and middleware. The RA4M2 can be evaluated using the EK-RA4M2 evaluation kit, and software can be developed in the e2 studio IDE or IAR Embedded Workbench. Debugging is supported via the on-chip CoreSight ETM-M33 and standard SWD interfaces.

Also Consider

STM32L433RCT6 STMicroelectronics - Offers similar low-power performance and peripheral sets but uses the older Cortex-M4 core architecture.