Renesas R7FA6M3AH2CBG#AC0

Overview

R7FA6M3AH2CBG#AC0 from Renesas Electronics is a high-performance 32-bit Arm Cortex-M4 microcontroller with FPU, operating at up to 120 MHz, featuring 2-MB code flash, 640-KB SRAM, dual CAN, IEEE 1588 Ethernet MAC (ETHERC), USB 2.0 High-Speed and Full-Speed, QSPI, SDHI, GLCDC, DRW, CTSU, and SCE7 security engine - designed for industrial HMI, networked edge devices, and real-time control systems.

For engineers reviewing the R7FA6M3AH2CBG#AC0 datasheet, R7FA6M3AH2CBG#AC0 pinout, R7FA6M3AH2CBG#AC0 application, or R7FA6M3AH2CBG#AC0 equivalent, key selection criteria include IEEE 1588 PTP timing accuracy, dual-CAN bus redundancy, on-chip graphics acceleration (GLCDC + DRW), hardware crypto acceleration (AES-256, ECC, TRNG), and 176-pin BGA package compatibility with industrial temperature range (−40°C to +105°C).

Technical Context

The R7FA6M3AH2CBG#AC0 implements an Armv7E-M architecture with DSP extensions and single-precision FPU, supporting deterministic real-time execution in safety-critical applications. Its memory subsystem includes ECC-protected SRAM (first 32 KB), 64-KB data flash rated for 125,000 erase/write cycles, and Memory Mirror Function (MMF) enabling flexible firmware load/link address separation.

System-level integration is enabled by the Event Link Controller (ELC), which routes peripheral events (e.g., timer overflow, ADC completion) directly to other modules without CPU intervention, and by dual DMA controllers (8-channel DMAC + DTC) for zero-CPU data movement across Ethernet, USBHS, SDHI, and SSIE interfaces.

Key Specifications

Pinout & Package

Package: 176-pin BGA (13 mm × 13 mm, 0.8 mm pitch), RoHS-compliant, lead-free, moisture sensitivity level 3 (MSL3).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance industrial MCU applications.

Compared with R7FA6M3AH2CBG#AC0, the R7FA6M3AF2CFB#AA0 offers identical functionality in a manufacturable LQFP package but sacrifices 5-V tolerance and I/O count, while the STM32H743VI delivers higher clock speed at the expense of missing IEEE 1588 hardware, integrated touch sensing, and seamless graphics acceleration - making R7FA6M3AH2CBG#AC0 optimal for time-deterministic, graphics-rich, and secure industrial edge nodes.

Availability

R7FA6M3AH2CBG#AC0 is available at Aetrix Electronics and suitable for industrial HMI panels, networked PLC gateways, medical infusion pumps, smart building HVAC nodes, and time-synchronized Ethernet edge devices requiring stable component supply across extended product lifecycles.

Supply support for R7FA6M3AH2CBG#AC0 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Renesas Electronics Corporation is a global semiconductor leader headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise applications.

The RA6M3 Group - including R7FA6M3AH2CBG#AC0 - was engineered for industrial IoT edge nodes requiring real-time performance, functional safety, hardware security, and rich human-machine interface capabilities without external co-processors.

FAQ

What is the maximum operating frequency and core architecture of the R7FA6M3AH2CBG#AC0?

The R7FA6M3AH2CBG#AC0 features an Arm Cortex-M4 core with Floating Point Unit (FPU), compliant with the Armv7E-M architecture and DSP instruction set, operating at a maximum frequency of 120 MHz. This enables high-efficiency execution of floating-point math and signal processing tasks essential for real-time industrial control and sensor fusion algorithms within the R7FA6M3AH2CBG#AC0.

Does the R7FA6M3AH2CBG#AC0 support IEEE 1588 Precision Time Protocol (PTP) hardware acceleration?

Yes, the R7FA6M3AH2CBG#AC0 integrates a dedicated Ethernet PTP Controller (EPTPC) compliant with IEEE 1588-2008 v2.0, including a Synchronization Frame Processing unit (SYNFP0) and Statistical Time Correction Algorithm (STCA) unit. This hardware block enables sub-microsecond timestamp accuracy and automatic clock skew compensation when used with the on-chip ETHERC and EDMAC - a core capability of the R7FA6M3AH2CBG#AC0 for time-critical industrial networking.

What graphics and human-machine interface (HMI) peripherals are integrated into the R7FA6M3AH2CBG#AC0?

The R7FA6M3AH2CBG#AC0 integrates a Graphics LCD Controller (GLCDC), 2D Drawing Engine (DRW), JPEG codec, and Capacitive Touch Sensing Unit (CTSU). These enable direct drive of RGB displays up to WVGA resolution, hardware-accelerated vector graphics rendering, real-time JPEG image decode, and self-capacitive touch sensing - eliminating the need for external GPU or touch controller ICs in the R7FA6M3AH2CBG#AC0-based HMI design.

What security features does the R7FA6M3AH2CBG#AC0 provide through its Secure Crypto Engine 7 (SCE7)?

The R7FA6M3AH2CBG#AC0 includes SCE7, which provides hardware-accelerated AES-128/192/256, 3DES, ARC4, SHA1/224/256, MD5, GHASH, RSA, DSA, ECC, and a True Random Number Generator (TRNG). It also incorporates a 128-bit unique ID and side-channel attack resistance - delivering certified cryptographic operations for secure boot, firmware authentication, and encrypted communication in the R7FA6M3AH2CBG#AC0.

What package type and environmental rating does the R7FA6M3AH2CBG#AC0 use?

The R7FA6M3AH2CBG#AC0 is supplied in a 176-pin BGA package (13 mm × 13 mm, 0.8 mm pitch) rated for industrial temperature operation from −40°C to +105°C. This package supports high-density PCB layouts and meets reliability requirements for harsh environments - a defining mechanical specification of the R7FA6M3AH2CBG#AC0.