Renesas R7FA6M5AH3CFB#BA0

Overview

R7FA6M5AH3CFB#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, 8 KB data flash, 512 KB SRAM with ECC/parity, integrated Ethernet MAC, USB 2.0 High-Speed, dual CAN FD, QSPI/OSPI, and Secure Crypto Engine 9 with TrustZone. It targets industrial gateways requiring secure, real-time connectivity and deterministic control.

For engineers reviewing the R7FA6M5AH3CFB#BA0 datasheet, R7FA6M5AH3CFB#BA0 pinout, R7FA6M5AH3CFB#BA0 application, or R7FA6M5AH3CFB#BA0 equivalent, key selection criteria include its -40°C to +105°C operation, 144-pin LQFP package, dual CAN FD support, hardware-accelerated cryptography (AES/RSA/ECC/SHA256), and integrated Ethernet MAC with RMII interface.

Technical Context

The R7FA6M5AH3CFB#BA0 implements Armv8-M with TrustZone security extension, enabling strict isolation between secure and non-secure firmware execution environments. Its dual-bank flash supports background programming and SWAP operations for zero-downtime firmware updates.

It integrates a full-featured peripheral set including ETHERC/EDMAC for CPU-offload Ethernet packet handling, USBHS supporting host/device high-speed transfers, and SCE9 with tamper detection and 128-bit unique ID - all coordinated under a unified clock and power management architecture with multiple low-power modes and VBATT-backed RTC.

Key Specifications

Pinout & Package

144-pin LQFP (PLQP0144KA-B), 20 mm × 20 mm, 0.5 mm pitch, with 109 I/O pins, 21 5-V-tolerant inputs, and dedicated pins for RMII Ethernet, USBHS, CAN FD, QSPI, OSPI, and CTSU.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7FA6M5BH3CFB#BA0, the R7FA6M5AH3CFB#BA0 offers identical security, connectivity, and timing features at lower SRAM cost; versus STM32H743VI, it delivers superior out-of-box Ethernet/CAN FD integration and hardware-enforced TrustZone isolation without external components.

Availability

R7FA6M5AH3CFB#BA0 is available at Aetrix Electronics and suitable for industrial gateways, secure edge nodes, medical IoT hubs, and automotive diagnostic tools requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for R7FA6M5AH3CFB#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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise applications.

The RA6M5 group, including R7FA6M5AH3CFB#BA0, was designed for secure, real-time industrial and IoT edge devices requiring integrated connectivity, functional safety readiness, and hardware-rooted trust.

FAQ

What is the maximum operating frequency of the R7FA6M5AH3CFB#BA0?

The R7FA6M5AH3CFB#BA0 operates at a maximum frequency of 200 MHz using its Arm Cortex-M33 core. This speed is achieved with the PLL clock source and is fully supported across the -40°C to +105°C industrial temperature range. The R7FA6M5AH3CFB#BA0 maintains timing compliance under worst-case voltage (2.7 V) and temperature conditions as verified in the official Renesas datasheet R01DS0366EJ0150.

Does the R7FA6M5AH3CFB#BA0 support CAN FD, and how many channels does it have?

Yes, the R7FA6M5AH3CFB#BA0 supports CAN with Flexible Data-rate (CAN FD) with two independent channels. Each channel provides 16 transmit and 16 receive buffers, complies with ISO 11898-1, and operates at data rates up to 5 Mbps. This capability is confirmed in the RA6M5 datasheet section 1.4 Function Comparison and Table 1.14, and is enabled by the part number suffix 'B' indicating CAN FD support.

What package type and pin count does the R7FA6M5AH3CFB#BA0 use?

The R7FA6M5AH3CFB#BA0 uses a 144-pin LQFP package (PLQP0144KA-B), measuring 20 mm × 20 mm with 0.5 mm pitch. It provides 109 general-purpose I/O pins, 21 of which are 5-V tolerant, and supports all RA6M5 peripherals including Ethernet RMII, USBHS, QSPI, OSPI, and dual CAN FD. This package information is explicitly defined in Renesas' part numbering scheme (Figure 1.2) and product list (Table 1.13).

Is the R7FA6M5AH3CFB#BA0 compatible with Arm TrustZone, and what security features does it include?

Yes, the R7FA6M5AH3CFB#BA0 includes full Arm TrustZone support for Cortex-M33, enabling hardware-isolated secure and non-secure execution environments. It also integrates Secure Crypto Engine 9 with AES/RSA/ECC/SHA256 acceleration, tamper detection pins, 128-bit unique ID, and device lifecycle management. These features are documented in the R7FA6M5AH3CFB#BA0 datasheet sections 1.1 Function Outline and Table 1.7 Security and Encryption.

What is the memory configuration of the R7FA6M5AH3CFB#BA0?

The R7FA6M5AH3CFB#BA0 includes 2 MB of dual-bank code flash memory (supporting background programming and SWAP operations), 8 KB of data flash memory rated for 100,000 program/erase cycles, and 512 KB of on-chip SRAM - configured as 448 KB with parity and 64 KB with ECC. This memory map is specified in the RA6M5 datasheet Table 1.2 Memory and confirmed in the product list Table 1.13 for part number R7FA6M5AH3CFB.