Renesas R7FA6M5BH3CFC#AA0

Overview

R7FA6M5BH3CFC 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, 512 KB SRAM with ECC/parity, integrated Ethernet MAC, USB 2.0 High-Speed/Full-Speed, dual CAN FD, QSPI/OSPI, and Secure Crypto Engine (SCE9) with TrustZone support - deployed in industrial gateways requiring real-time connectivity, secure firmware updates, and deterministic motor control.

For engineers reviewing the R7FA6M5BH3CFC datasheet, R7FA6M5BH3CFC pinout, R7FA6M5BH3CFC application, or R7FA6M5BH3CFC equivalent, key selection criteria include its -40°C to +105°C extended temperature rating, 176-pin LQFP package, dual CAN FD interfaces for automotive diagnostics, hardware-accelerated AES/RSA/ECC cryptography, and integrated CTSU for touch HMI in harsh environments.

Technical Context

The R7FA6M5BH3CFC implements Armv8-M architecture with TrustZone-enforced secure/non-secure execution states, supporting concurrent secure boot, encrypted OTA updates, and isolated peripheral access control. Its dual-bank flash enables seamless firmware swapping without runtime interruption, while SCE9 accelerates AES-128/256, RSA-2048/4096, ECC-P256/P384, and SHA256 operations.

System-level integration includes an Ethernet MAC compliant with IEEE 802.3, USBHS/USBFS modules with internal transceivers and 10-pipe FIFOs, two independent CAN FD controllers each with 16 TX/RX buffers, and a 12-bit ADC12 (dual unit, up to 26 channels) with interleaved sampling at 5 Msps - all synchronized via Event Link Controller (ELC) for CPU-free peripheral coordination.

Key Specifications

Pinout & Package

Package: 176-pin LQFP (PLQP0176KB-C), 24 mm × 24 mm, 0.5 mm pitch, lead-free (Sn), RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with R7FA6M5BH3CBM, the R7FA6M5BH3CFC offers 23 additional GPIOs and full peripheral complement in LQFP for easier prototyping and thermal management; versus R7FA6M5AH3CFC, it delivers CAN FD's 5 Mbps data rate and 64-byte payloads essential for high-bandwidth ECU diagnostics and firmware updates.

Availability

R7FA6M5BH3CFC is available at Aetrix Electronics and suitable for industrial gateways, secure edge nodes, automotive diagnostic tools, and HMI-integrated motor drives requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for R7FA6M5BH3CFC 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 markets, with over 40 years of microcontroller innovation.

The RA6M5 Group targets high-performance, secure, and connected applications - designed specifically for industrial automation, building control, medical devices, and automotive test equipment requiring real-time responsiveness, functional safety readiness, and end-to-end security.

FAQ

What is the maximum operating frequency and core architecture of the R7FA6M5BH3CFC?

The R7FA6M5BH3CFC features an Arm Cortex-M33 core operating at a maximum frequency of 200 MHz. It implements the Armv8-M architecture with security extensions, including TrustZone for hardware-enforced secure/non-secure world isolation. The core integrates a Memory Protection Unit (MPU) with eight secure and eight non-secure regions, SysTick timers for both worlds, and CoreSight ETM-M33 for trace debugging. This architecture enables deterministic real-time performance while maintaining robust security boundaries - critical for applications like secure edge nodes where firmware integrity and peripheral access control are mandatory. The R7FA6M5BH3CFC leverages this foundation to deliver both computational throughput and hardware-rooted trust.

Does the R7FA6M5BH3CFC support CAN FD, and how many channels are available?

Yes, the R7FA6M5BH3CFC supports CAN with Flexible Data-rate (CAN FD) and includes two independent CAN FD controllers (CANFD0 and CANFD1). Each channel supports ISO 11898-1 compliant classical CAN and CAN FD frames, with up to 16 transmit buffers and 16 receive buffers per channel. CAN FD enables data rates up to 5 Mbps and payloads up to 64 bytes - significantly increasing bandwidth over classical CAN. This capability makes the R7FA6M5BH3CFC ideal for automotive diagnostic tools and industrial gateways requiring high-speed ECU reprogramming or real-time sensor fusion. The dual-channel design allows concurrent communication with multiple networks - for example, one channel handling vehicle diagnostics while the other manages in-vehicle subsystem telemetry. All CAN FD functionality is implemented in hardware, minimizing CPU overhead.

What security features does the R7FA6M5BH3CFC integrate beyond Arm TrustZone?

Beyond Arm TrustZone, the R7FA6M5BH3CFC integrates the Secure Crypto Engine 9 (SCE9), a dedicated hardware accelerator supporting AES-128/256, RSA-2048/4096, ECC-P256/P384, DSA, and SHA224/SHA256. It includes a 128-bit unique device ID, tamper detection circuitry (with up to three dedicated tamper pins), and resistance to side-channel attacks like power analysis. Device lifecycle management enables secure provisioning, key rotation, and controlled deactivation. These features work in concert with TrustZone to create a certified secure element: SCE9 handles cryptographic operations in isolated secure memory, while TrustZone enforces strict access control to peripherals and memory regions. For example, in a secure edge node, SCE9 verifies firmware signatures before TrustZone loads them into protected execution space - ensuring end-to-end chain-of-trust from boot to runtime. The R7FA6M5BH3CFC thus meets requirements for PSA Certified Level 3 and IEC 62443-3-3 compliance.

What is the memory configuration of the R7FA6M5BH3CFC, and how does dual-bank flash benefit firmware updates?

The R7FA6M5BH3CFC includes 2 MB of dual-bank code flash memory, 8 KB of data flash memory (rated for 100,000 program/erase cycles), and 512 KB of on-chip SRAM with configurable parity or ECC protection. The dual-bank flash architecture divides the 2 MB into two independent banks, enabling background programming and atomic SWAP operations. During firmware updates, the application runs from Bank A while Bank B is erased and reprogrammed; upon completion, a single register write triggers an instantaneous bank swap - eliminating reboot delays and ensuring continuous operation. This is essential for industrial gateways and medical devices where downtime is unacceptable. The 8 KB data flash provides reliable non-volatile storage for calibration data, device IDs, or usage logs, while the ECC-protected SRAM safeguards runtime variables against bit flips in electrically noisy environments. This memory hierarchy directly supports the reliability and security demands of the R7FA6M5BH3CFC's target applications.

Which package type and temperature range does the R7FA6M5BH3CFC use, and what are its key I/O characteristics?

The R7FA6M5BH3CFC uses a 176-pin LQFP package (PLQP0176KB-C), measuring 24 mm × 24 mm with 0.5 mm pitch, and is rated for industrial operation from -40°C to +105°C. It provides 132 general-purpose I/O pins, 133 pull-up resistors, 132 N-channel open-drain outputs, and 17 pins with 5-V tolerance - enabling direct interfacing with legacy 5-V peripherals without level shifters. I/Os support programmable drive strength, slew rate control, and glitch filtering. The package's exposed thermal pad improves heat dissipation under sustained 200 MHz operation, while the wide temperature range ensures reliability in factory-floor gateways or outdoor edge nodes. These physical and electrical characteristics make the R7FA6M5BH3CFC suitable for demanding deployments where mechanical robustness, thermal stability, and mixed-voltage interoperability are required - distinguishing it from consumer-grade alternatives. The R7FA6M5BH3CFC's pinout is fully documented in Renesas' R01DS0366EJ0150 datasheet, Section 1.5.