Renesas R7FA6M5BH3CFB#AA0

Overview

R7FA6M5BH3CFB#AA0 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 embedded applications including industrial gateways and connected HMI systems.

For engineers reviewing the R7FA6M5BH3CFB#AA0 datasheet, R7FA6M5BH3CFB#AA0 pinout, R7FA6M5BH3CFB#AA0 application, or R7FA6M5BH3CFB#AA0 equivalent, key selection considerations include its -40°C to +105°C extended temperature rating, 144-pin LQFP package, dual CAN FD support, hardware-accelerated cryptography (AES/RSA/ECC/SHA256), and integrated capacitive touch sensing (CTSU) for robust human-machine interface design.

Technical Context

The R7FA6M5BH3CFB#AA0 implements Armv8-M architecture with TrustZone security extension, supporting secure/non-secure execution states via separate MPU regions (8 per domain) and dedicated SysTick timers. Its memory subsystem includes dual-bank flash enabling live firmware updates without interruption and ECC-protected SRAM for safety-critical operation.

Connectivity is centered on deterministic real-time interfaces: two CAN FD controllers (16 TX/RX buffers each), IEEE 802.3-compliant Ethernet MAC with DMA coupling, USBHS/USBFS dual-role capability, and OSPI/QSPI for high-bandwidth external memory expansion - all coordinated via Event Link Controller (ELC) to minimize CPU intervention.

Key Specifications

Pinout & Package

144-pin LQFP (PLQP0144KA-B), 20 mm × 20 mm, 0.5 mm pitch, -40°C to +105°C operating range. Package includes 109 general-purpose I/O pins, 21 of which are 5-V tolerant, plus dedicated power, clock, reset, debug, and peripheral function pins.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7FA6M5BH3CFB#AA0, the LQFP-176 alternative offers greater I/O scalability while the BGA-144 variant trades temperature range for compactness - both retain identical security, connectivity, and analog capabilities, enabling platform reuse across product tiers.

Availability

R7FA6M5BH3CFB#AA0 is available at Aetrix Electronics and suitable for industrial gateways, secure edge nodes, HMI control panels, and medical data loggers requiring stable component supply, long-term lifecycle support, and guaranteed extended-temperature performance.

Supply support for R7FA6M5BH3CFB#AA0 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.

The RA6M5 Group, including R7FA6M5BH3CFB#AA0, is designed for secure, high-performance industrial and IoT edge applications demanding real-time connectivity, functional safety readiness, and hardware-rooted security.

FAQ

What is the maximum operating frequency of the R7FA6M5BH3CFB#AA0?

The R7FA6M5BH3CFB#AA0 features an Arm Cortex-M33 core with a maximum operating frequency of 200 MHz. This speed is achieved using the on-chip PLL driven by the main crystal oscillator (8–24 MHz) or high-speed on-chip oscillator (HOCO). The core operates within specified voltage (2.7–3.6 V) and temperature (-40°C to +105°C) ranges to maintain timing integrity and reliability in industrial environments. R7FA6M5BH3CFB#AA0 delivers deterministic real-time performance for demanding control and communication tasks.

Does the R7FA6M5BH3CFB#AA0 support CAN FD, and how many channels are available?

Yes, the R7FA6M5BH3CFB#AA0 supports CAN with Flexible Data-rate (CAN FD) on two independent channels, each with 16 transmit and 16 receive buffers. It complies with ISO 11898-1 and supports classical CAN frames as well as CAN FD frames up to 5 Mbps. The dual CAN FD capability enables robust communication in distributed industrial systems, such as motor drives and programmable logic controllers, where protocol flexibility and bandwidth are critical. R7FA6M5BH3CFB#AA0 integrates dedicated message RAM and filtering logic per channel for deterministic latency.

What security features does the R7FA6M5BH3CFB#AA0 include beyond Arm TrustZone?

In addition to Arm TrustZone for secure/non-secure world separation, the R7FA6M5BH3CFB#AA0 integrates the Secure Crypto Engine 9 (SCE9) with hardware accelerators for AES-128/256, RSA-2048/4096, ECC, and SHA224/256. It provides tamper detection via dedicated pins, power analysis resistance, 128-bit unique ID, and device lifecycle management. These features enable secure boot, encrypted firmware updates, and cryptographic signing - all without software overhead. R7FA6M5BH3CFB#AA0 meets foundational requirements for PSA Certified Level 2 and IEC 62443 compliance in industrial deployments.

What is the package type and pin count of the R7FA6M5BH3CFB#AA0?

The R7FA6M5BH3CFB#AA0 is housed in 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, along with dedicated power, clock, reset, debug, and peripheral signal pins. This package is optimized for industrial PCB assembly and thermal management in extended-temperature applications. R7FA6M5BH3CFB#AA0 shares pin compatibility within the RA6M5 144-pin LQFP family, simplifying design reuse.

How does the dual-bank flash architecture benefit firmware updates on the R7FA6M5BH3CFB#AA0?

The R7FA6M5BH3CFB#AA0's 2 MB dual-bank code flash enables background programming and SWAP operations, allowing new firmware to be written to one bank while the system executes from the other - eliminating downtime during field updates. After validation, the active bank is atomically switched via SWAP command, ensuring fail-safe rollback if corruption occurs. This architecture is essential for unattended industrial equipment and remote IoT nodes. R7FA6M5BH3CFB#AA0 supports this functionality without external memory or bootloader complexity.