Renesas R7FA6M5BF3CFC#AA0

Overview

R7FA6M5BF3CFC from Renesas is a high-performance 32-bit Arm Cortex-M33 microcontroller operating at up to 200 MHz, featuring 1 MB code flash, 8 KB data flash, 512 KB SRAM with ECC/parity, dual CAN FD, Ethernet MAC, USB 2.0 HS/FS, QSPI/OSPI, and integrated Secure Crypto Engine (SCE9) with TrustZone for secure IoT edge nodes.

For engineers reviewing the R7FA6M5BF3CFC datasheet, R7FA6M5BF3CFC pinout, R7FA6M5BF3CFC application, or R7FA6M5BF3CFC equivalent, key selection considerations include its -40°C to +105°C industrial temperature rating, 176-pin LQFP package, 1 MB flash capacity (vs. 2 MB in 'H' variants), CAN FD support (not classical-only), and full peripheral integration including CTSU, SDHI, and dual 12-bit ADCs.

Technical Context

The R7FA6M5BF3CFC implements Armv8-M with TrustZone security partitioning, supporting secure/non-secure execution states with separate MPU regions (8 per domain), dual SysTick timers, and CoreSight ETM-M33 trace. Its memory subsystem includes dual-bank flash for background programming and SWAP operations, plus 1 KB standby SRAM with battery backup via VBATT.

Connectivity is centered on deterministic real-time I/O: two CAN FD controllers (16 TX/RX buffers each), IEEE 802.3-compliant ETHERC with RMII interface, USBHS/USBFS dual-role capability, and flexible serial interfaces - 10 SCI channels (UART/IIC/SPI/Manchester), 3 I2C, 2 SPI, QSPI, OSPI, SSIE, SDHI, and CEC - all managed via Event Link Controller (ELC) for CPU-offload event routing.

Key Specifications

Pinout & Package

176-pin LQFP (PLQP0176KB-C), 24 mm × 24 mm, 0.5 mm pitch; 132 general-purpose I/O pins, 17 of which are 5-V tolerant, with N-ch open-drain capability and configurable pull-up resistors.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7FA6M5BF3CFC, the R7FA6M5BH3CFC provides double flash capacity for complex secure firmware stacks, while R7FA6M5BF3CBM trades 23 GPIOs and 32 mm² board area for identical performance-making both viable alternatives depending on memory or layout constraints.

Availability

R7FA6M5BF3CFC is available at Aetrix Electronics and suitable for industrial gateways, secure edge sensors, HMI panels, and motor control hubs requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for R7FA6M5BF3CFC 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 is designed for secure, high-performance industrial and IoT edge applications, combining Arm TrustZone, hardware crypto acceleration, and rich connectivity to replace multi-chip solutions with single-chip robustness.

FAQ

What is the maximum operating frequency and core architecture of the R7FA6M5BF3CFC?

The R7FA6M5BF3CFC features an Arm Cortex-M33 core with Armv8-M architecture and operates at a maximum frequency of 200 MHz. It includes TrustZone security extensions, PMSAv8 memory protection, dual SysTick timers (secure and non-secure), and CoreSight ETM-M33 trace support-all confirmed in the R01DS0366EJ0150 datasheet. This enables deterministic real-time performance with hardware-enforced security boundaries in the R7FA6M5BF3CFC.

Does the R7FA6M5BF3CFC support CAN FD, and how many channels are available?

Yes, the R7FA6M5BF3CFC 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 both classical CAN (1 Mbps) and CAN FD (up to 5 Mbps) frames. This capability is explicitly documented in Table 1.8 of the R7FA6M5BF3CFC datasheet and applies to all RA6M5 variants with 'B' feature code-including the R7FA6M5BF3CFC.

What is the flash memory configuration of the R7FA6M5BF3CFC, and does it support background programming?

The R7FA6M5BF3CFC integrates 1 MB of code flash memory and 8 KB of data flash memory. Its code flash supports dual-bank architecture, enabling background programming and SWAP operations-allowing firmware updates without halting application execution. The data flash endurance is rated for 100,000 program/erase cycles. These specifications are defined in Table 1.2 and Section 1.4 of the official R7FA6M5BF3CFC datasheet.

Which package type and pin count does the R7FA6M5BF3CFC use?

The R7FA6M5BF3CFC uses a 176-pin LQFP package (PLQP0176KB-C), measuring 24 mm × 24 mm with 0.5 mm pitch. It provides 132 general-purpose I/O pins, 17 of which are 5-V tolerant, along with N-ch open-drain outputs and configurable pull-up resistors. This package variant is confirmed in Table 1.13 and Figure 1.2 of the R7FA6M5BF3CFC datasheet.

Does the R7FA6M5BF3CFC include hardware cryptographic acceleration, and what algorithms are supported?

Yes, the R7FA6M5BF3CFC includes the Secure Crypto Engine 9 (SCE9) with hardware acceleration for AES (128/192/256), RSA (1024/2048), ECC (secp256r1/secp384r1), DSA, SHA224/SHA256, and GHASH. It also provides a 128-bit unique ID, tamper detection, and power analysis resistance-fully integrated with Arm TrustZone. These capabilities are detailed in Section 1.1 and Table 1.7 of the R7FA6M5BF3CFC datasheet.