Renesas R7FA6M5AH3CFP#BA0

Overview

R7FA6M5AH3CFP#BA0 from Renesas is a high-performance 32-bit Arm Cortex-M33 microcontroller operating at up to 200 MHz, featuring 2 MB dual-bank code flash with background/swap operation, 8 KB data flash, and 512 KB SRAM with parity/ECC. It integrates Ethernet MAC, USB 2.0 High-Speed/Full-Speed, dual CAN FD, SDHI, QSPI/OSPI, and Secure Crypto Engine (SCE9) with TrustZone for secure IoT edge gateways and industrial controllers.

For engineers reviewing the R7FA6M5AH3CFP#BA0 datasheet, R7FA6M5AH3CFP#BA0 pinout, R7FA6M5AH3CFP#BA0 application, or R7FA6M5AH3CFP#BA0 equivalent, key selection criteria include its -40°C to +105°C operating range, 100-pin LQFP package, dual CAN FD support, hardware-accelerated cryptography (AES/RSA/ECC/SHA256), and integrated Ethernet MAC with RMII interface - critical for deterministic real-time communication in factory automation and secure connected devices.

Technical Context

The R7FA6M5AH3CFP#BA0 implements Armv8-M architecture with TrustZone security extension, enabling strict isolation between secure and non-secure firmware execution environments. Its dual-bank flash supports seamless firmware updates via SWAP operation without runtime interruption, while SCE9 provides dedicated hardware acceleration for symmetric (AES), asymmetric (RSA/ECC), and hash (SHA256/GHASH) operations.

System-level integration includes an 8-channel DMAC, Data Transfer Controller (DTC), Event Link Controller (ELC) for CPU-free peripheral chaining, and dual 12-bit ADCs (5 Msps interleaved) with shared analog input channels. The device uses a configurable clock system with PLL, HOCO/MOCO/LOCO oscillators, and CAC for real-time frequency accuracy monitoring.

Key Specifications

Pinout & Package

100-pin LQFP (PLQP0100KB-B), 14 mm × 14 mm, 0.5 mm pitch, with 75 general-purpose I/O pins (14 of which are 5-V tolerant), 1 dedicated input pin, 76 pull-up resistors, and 75 N-ch open-drain outputs.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar Arm Cortex-M33 microcontroller applications.

Compared with R7FA6M5BH3CFP#BA0, the R7FA6M5AH3CFP#BA0 omits CAN FD capability but retains identical security, memory, and connectivity features - making it optimal for Classical CAN-based systems. Versus STM32H743VIK6, it delivers lower system-level complexity through integrated Ethernet MAC and hardware crypto, despite lower peak CPU frequency.

Availability

R7FA6M5AH3CFP#BA0 is available at Aetrix Electronics and suitable for industrial automation, secure edge gateways, and medical diagnostic equipment requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for R7FA6M5AH3CFP#BA0 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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications, with over 40 years of MCU innovation.

The RA6M5 Group targets secure, high-performance industrial and IoT edge applications, combining Arm TrustZone, hardware crypto acceleration, and rich connectivity (Ethernet, USB HS, CAN FD) to simplify development of certified, future-proof devices.

FAQ

What is the maximum operating frequency and core architecture of the R7FA6M5AH3CFP#BA0?

The R7FA6M5AH3CFP#BA0 features an Arm Cortex-M33 core compliant with Armv8-M architecture and operates at a maximum frequency of 200 MHz. It includes TrustZone security extensions, PMSAv8 Memory Protection Unit (MPU) with separate secure and non-secure regions, and dual Systick timers - all confirmed in the R01DS0366EJ0150 datasheet Rev.1.50. This architecture enables deterministic real-time execution and hardware-enforced security partitioning in the R7FA6M5AH3CFP#BA0.

Does the R7FA6M5AH3CFP#BA0 support CAN FD, and how many channels are available?

Yes, the R7FA6M5AH3CFP#BA0 supports CAN with Flexible Data-rate (CAN FD) with two independent channels, each providing 16 transmit and 16 receive buffers. This is explicitly stated in the "Connectivity" section of the R01DS0366EJ0150 datasheet and confirmed in Table 1.14 (Function Comparison). The R7FA6M5AH3CFP#BA0 implements ISO 11898-1 compliant CAN FD frames with bit rates up to 5 Mbps and payload lengths up to 64 bytes.

What package type and pin count does the R7FA6M5AH3CFP#BA0 use?

The R7FA6M5AH3CFP#BA0 uses a 100-pin LQFP package (PLQP0100KB-B), measuring 14 mm × 14 mm with 0.5 mm pitch. Per Table 1.13 and Figure 1.2 in the R01DS0366EJ0150 datasheet, the "FP" suffix denotes LQFP-100, and the "3" indicates -40°C to +105°C operating temperature. It provides 75 general-purpose I/O pins, 14 of which are 5-V tolerant, and supports RMII Ethernet interface within this compact footprint.

How does the R7FA6M5AH3CFP#BA0 implement hardware security, and what cryptographic algorithms are accelerated?

The R7FA6M5AH3CFP#BA0 integrates the Secure Crypto Engine 9 (SCE9) with dedicated hardware accelerators for AES-128/256, RSA-2048/4096, ECC-256/384, DSA, SHA224/256, and GHASH. It also includes tamper detection pins, secure key management, and Arm TrustZone for memory/peripheral isolation - all documented in Section 1.1 and Table 1.7 of R01DS0366EJ0150. These features enable secure boot, encrypted firmware updates, and TLS offload in the R7FA6M5AH3CFP#BA0 without CPU overhead.

Is the R7FA6M5AH3CFP#BA0 compatible with Renesas' Flexible Software Package (FSP) and e2 studio IDE?

Yes, the R7FA6M5AH3CFP#BA0 is fully supported by Renesas' Flexible Software Package (FSP) v4.x and e2 studio IDE. FSP provides HAL drivers, middleware (including USB Host/Device, Ethernet, TLS, and SCE9 crypto APIs), and example projects validated for the RA6M5 group. This compatibility is confirmed in Renesas' official FSP release notes and the RA6M5 Quick Start Guide (R01UH0924EJ0100), ensuring rapid development of secure, connected applications using the R7FA6M5AH3CFP#BA0.