Renesas R7FA6M5AG3CFB#HA0

Overview

R7FA6M5AG3CFB#HA0 from Renesas is a high-performance 32-bit Arm Cortex-M33 microcontroller operating at up to 200 MHz, featuring 1.5 MB dual-bank code flash, 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. It targets industrial IoT gateways requiring secure, real-time connectivity and deterministic control.

For engineers reviewing the R7FA6M5AG3CFB#HA0 datasheet, R7FA6M5AG3CFB#HA0 pinout, R7FA6M5AG3CFB#HA0 application, or R7FA6M5AG3CFB#HA0 equivalent, key selection considerations include its -40°C to +105°C operation, 144-pin LQFP package, dual CAN FD interfaces, hardware-accelerated cryptography (AES/RSA/ECC/SHA256), and integrated Ethernet MAC with RMII support - all critical for secure edge node deployment.

Technical Context

The R7FA6M5AG3CFB#HA0 implements Armv8-M architecture with TrustZone security extension, enabling strict isolation between secure and non-secure firmware domains. Its memory subsystem includes dual-bank flash supporting background programming and SWAP operations, plus 512 KB SRAM partitioned with 448 KB parity and 64 KB ECC protection.

Connectivity is centered on concurrent high-speed interfaces: Ethernet MAC (RMII-only), USBHS/USBFS, dual CAN FD controllers (16 TX/RX buffers each), QSPI/OSPI for external memory expansion, and 10-channel SCI with UART/IIC/SPI/Manchester modes. The SCE9 crypto engine offloads AES-128/256, RSA-2048/3072, ECC NIST P-256/P-384, and SHA224/256 operations.

Key Specifications

Pinout & Package

144-pin LQFP (PLQP0144KA-B), 20 mm × 20 mm, 0.5 mm pitch, RoHS-compliant Sn terminal finish. Pin count includes 109 general-purpose I/Os, 1 dedicated input, 110 pull-up resistors, 109 N-ch open-drain outputs, and 21 5-V tolerant pins.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7FA6M5AG3CFB#HA0, the R7FA6M5AH3CFB#HA0 provides higher flash capacity for complex protocol stacks, while the R7FA6M5BG3CFB#HA0 reduces cost and power in resource-constrained edge nodes - all three share identical security, connectivity, and real-time performance characteristics.

Availability

R7FA6M5AG3CFB#HA0 is available at Aetrix Electronics and suitable for industrial IoT gateways, secure edge controllers, smart energy meters, and medical data aggregators requiring stable component supply across multi-year production cycles.

Supply support for R7FA6M5AG3CFB#HA0 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 R7FA6M5AG3CFB#HA0 - was designed for secure, high-performance industrial edge computing, integrating Arm TrustZone, hardware crypto acceleration, and rich connectivity to replace discrete security + MCU + PHY combinations.

FAQ

What is the maximum operating frequency and core architecture of the R7FA6M5AG3CFB#HA0?

The R7FA6M5AG3CFB#HA0 features an Arm Cortex-M33 core operating at up to 200 MHz, based on the Armv8-M architecture with security extensions. It includes dual instances of the SysTick timer (secure and non-secure), CoreSight ETM-M33 trace, and Memory Protection Unit (MPU) with eight regions each for secure and non-secure memory spaces - all confirmed in the R01DS0366EJ0150 datasheet Rev.1.50.

Does the R7FA6M5AG3CFB#HA0 support Ethernet connectivity, and what interface does it use?

Yes, the R7FA6M5AG3CFB#HA0 integrates an Ethernet MAC controller compliant with IEEE 802.3, supporting RMII interface only (no MII). It connects directly to external PHYs via ETXD0–3 and ERXD0–3 pins, with hardware-assisted checksum calculation and VLAN tagging. This configuration is explicitly documented for the 144-pin LQFP variant in Table 1.14 of the R01DS0366EJ0150 datasheet.

What cryptographic capabilities does the Secure Crypto Engine (SCE9) in the R7FA6M5AG3CFB#HA0 provide?

The SCE9 in R7FA6M5AG3CFB#HA0 accelerates symmetric algorithms (AES-128/256), asymmetric algorithms (RSA-2048/3072, ECC NIST P-256/P-384, DSA), and hash functions (SHA224/256, GHASH). It includes tamper detection, power analysis resistance, and 128-bit unique ID generation - all detailed in Section 1.1 under "Security and Encryption" of the R01DS0366EJ0150 datasheet.

What is the flash memory configuration of the R7FA6M5AG3CFB#HA0, and does it support over-the-air updates?

The R7FA6M5AG3CFB#HA0 contains 1.5 MB of dual-bank code flash memory, enabling background programming and SWAP operations essential for safe over-the-air (OTA) firmware updates. Its 8 KB data flash supports 100,000 program/erase cycles for logging or configuration storage. This dual-bank architecture is confirmed in the "Memory" section of the R01DS0366EJ0150 datasheet Rev.1.50.

Which package and temperature grade does the R7FA6M5AG3CFB#HA0 use, and how many I/O pins are available?

The R7FA6M5AG3CFB#HA0 uses a 144-pin LQFP package (PLQP0144KA-B, 20 mm × 20 mm, 0.5 mm pitch) rated for -40°C to +105°C operation. It provides 109 general-purpose I/O pins, 110 pull-up resistors, 109 N-ch open-drain outputs, and 21 5-V tolerant pins - as specified in Table 1.12 and Figure 1.2 of the R01DS0366EJ0150 datasheet.