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R7FA4M1AB3CFM#BA0

RENR7FA4M1AB3CFM#BA0

Renesas Electronics Corporation
ARM® Cortex®-M4F RA4M1 Microcontroller IC 32-Bit 48MHz 256KB (256K x 8) FLASH 64-LFQFP (10x10)
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Overview

The R7FA4M1AB3CFM#BA0 is a 32-bit microcontroller from the Renesas RA4M1 series, featuring an Arm Cortex-M4 core with a Floating Point Unit (FPU) running at 48MHz. This MCU integrates 256KB of Flash and 32KB of SRAM, along with specialized hardware for capacitive touch sensing and security, including AES encryption and a True Random Number Generator (TRNG).

Why Choose This Part

The RA4M1 provides a balanced performance-to-power ratio with its Armv7E-M architecture and integrated FCACHE. It simplifies design by including an on-chip USB transceiver with voltage regulation and an Event Link Controller (ELC) that enables peripheral-to-peripheral communication without CPU intervention.

Applications

Human-Machine Interface (HMI)
Utilizes the integrated Capacitive Touch Sensing Unit (CTSU) to implement touch panels and buttons with high sensitivity and noise immunity.
Industrial Communications
Leverages the built-in CANbus interface and multiple SCI/SPI/I2C ports for robust data exchange in factory automation environments.
Secure IoT Endpoints
Employs the hardware AES128/256 engine and GHASH for secure data transmission and device authentication.
Smart Home Appliances
Features a Segment LCD Controller (SLCDC) to drive low-power displays on thermostats, timers, and kitchen electronics.

Key Specifications

Speed 48MHz
RAM Size 32K x 8
Core Size 32-Bit
EEPROM Size 8K x 8
Peripherals DMA, LVD, POR, PWM, WDT
Connectivity CANbus, EBI/EMI, I2C, SCI, SPI, UART/USART, USB
Mounting Type Surface Mount
Number of I/O 52
Core Processor ARM Cortex-M4F
Package / Case 64-LQFP
Data Converters A/D 18x14b SAR; D/A 2x8b, 1x12b
Oscillator Type Internal
Program Memory Size 256KB (256K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 105degC (TA)
Supplier Device Package 64-LFQFP (10x10)
Voltage - Supply (Vcc/Vdd) 1.6V ~ 5.5V

Getting Started

Developers can use the Renesas Flexible Software Package (FSP) within the e2 studio IDE or Keil MDK for rapid driver configuration. Hardware evaluation is typically performed using the EK-RA4M1 evaluation kit, which provides access to all 64 pins and the USB interface.

R7FA4M1AB3CFM# Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Peripherals I/O Pins Core Processor ADC/DAC Stock
R7FA4M1AB3CFM#BA0 (this part) DMA, LVD, POR, PWM.. 52 ARM Cortex-M4F A/D 18x14b SAR; D/.. —
R7FA4M1AB3CFM#AA0 (Renesas Electronics) AES, Capacitive To.. 49 ARM Cortex-M4 A/D 18x14b SAR; D/.. 699

Also Consider

ATSAMD21G18A-AU MCHPMicrochip Technology - A popular alternative for USB-enabled 32-bit applications with a massive ecosystem of open-source libraries.
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