Renesas R7FA6M4AD3CFM#AA0

Overview

R7FA6M4AD3CFM#AA0 from Renesas is a high-performance 32-bit Arm Cortex-M33 microcontroller operating at up to 200 MHz, featuring 512 KB code flash, 8 KB data flash, and 256 KB SRAM with ECC/parity support. It integrates Ethernet MAC, USB 2.0 Full-Speed, dual CAN, QSPI/OSPI, SDHI, dual 12-bit ADCs (5 Msps interleaved), dual 12-bit DACs, CTSU, and Secure Crypto Engine 9 with TrustZone. Designed for industrial gateways requiring secure connectivity and real-time control.

For engineers reviewing the R7FA6M4AD3CFM#AA0 datasheet, R7FA6M4AD3CFM#AA0 pinout, R7FA6M4AD3CFM#AA0 application, or R7FA6M4AD3CFM#AA0 equivalent, key selection criteria include its -40°C to +105°C operation, 64-pin LQFP package, dual CAN interfaces, Ethernet MAC with RMII support, and hardware-accelerated AES/RSA/ECC cryptography.

Technical Context

The R7FA6M4AD3CFM#AA0 implements Armv8-M architecture with TrustZone security, enabling strict isolation between secure and non-secure firmware execution environments. Its memory subsystem includes Dual-bank flash for background programming and SWAP operations, plus 256 KB SRAM partitioned with configurable TrustZone regions.

Connectivity is centered on deterministic real-time interfaces: two ISO 11898-1-compliant CAN controllers (each supporting 32 mailboxes), an IEEE 802.3-compliant Ethernet MAC with RMII PHY interface, and USBFS operating in host or device mode with internal transceiver and 10-pipe endpoint support.

Key Specifications

Pinout & Package

64-pin LQFP (PLQP0064KB-C), 10 mm × 10 mm, 0.5 mm pitch, with 41 general-purpose I/O pins, 9 of which are 5-V tolerant, and dedicated pins for RMII Ethernet, dual CAN, USB DP/DM, QSPI/OSPI, and SDHI.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7FA6M4AF3CFM#AA0, the R7FA6M4AD3CFM#AA0 trades flash capacity for lower unit cost while retaining identical security, connectivity, and timing capabilities; versus R7FA6M5BH3CFM#AA0, it omits AI acceleration but maintains full compatibility for non-vision industrial control applications.

Availability

R7FA6M4AD3CFM#AA0 is available at Aetrix Electronics and suitable for industrial gateways, secure edge controllers, and smart energy meters requiring stable component supply across extended temperature ranges and multi-year production cycles.

Supply support for R7FA6M4AD3CFM#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 design innovation for automotive, industrial, infrastructure, and IoT applications.

The RA6M4 group is designed for secure, connected industrial edge devices - combining high-performance Arm Cortex-M33 execution, hardware-based security, and rich connectivity (Ethernet, USB, CAN, QSPI/OSPI) in scalable packages.

FAQ

What is the maximum operating frequency of the R7FA6M4AD3CFM#AA0?

The R7FA6M4AD3CFM#AA0 features an Arm Cortex-M33 core with a maximum operating frequency of 200 MHz. This clock speed is achieved using the on-chip PLL driven by the main oscillator (8–24 MHz crystal) or high-speed on-chip oscillator (HOCO). The device maintains full peripheral functionality-including Ethernet MAC, USBFS, and dual CAN-at this frequency, as verified in the R01DS0365EJ0160 datasheet revision 1.60.

Does the R7FA6M4AD3CFM#AA0 support TrustZone security?

Yes, the R7FA6M4AD3CFM#AA0 fully implements Arm TrustZone for Armv8-M. It supports up to six secure/non-secure regions in code flash, two in data flash, and three in SRAM. Peripheral security attribution is individually configurable, and the Secure Crypto Engine 9 (SCE9) operates within the secure world. This capability is documented in Section 1.12 of the R01DS0365EJ0160 datasheet and enables certified secure boot and firmware update architectures.

What package type is used for the R7FA6M4AD3CFM#AA0?

The R7FA6M4AD3CFM#AA0 uses a 64-pin LQFP package (PLQP0064KB-C), measuring 10 mm × 10 mm with 0.5 mm pitch. It provides 41 general-purpose I/O pins, 9 of which are 5-V tolerant, and includes dedicated signal groups for RMII Ethernet, dual CAN, USB DP/DM, QSPI/OSPI, and SDHI. This package is confirmed in Table 1.14 and Figure 1.2 of the R01DS0365EJ0160 datasheet.

Can the R7FA6M4AD3CFM#AA0 execute code directly from external flash memory?

Yes, the R7FA6M4AD3CFM#AA0 supports Execute-in-Place (XIP) from external memory via its QSPI and OSPI interfaces. The OSPI module specifically targets OctaFlash and OctaRAM devices, enabling high-bandwidth read access up to 200 MB/s. QSPI supports standard serial flash with quad I/O mode. Both interfaces are memory-mapped and can be configured for XIP operation without CPU intervention, as detailed in Sections 1.6 and 1.8 of the R01DS0365EJ0160 datasheet.

What is the operating voltage range for the R7FA6M4AD3CFM#AA0?

The R7FA6M4AD3CFM#AA0 operates from a single VCC supply rail of 2.7 V to 3.6 V. This range applies to all I/O pins and internal logic, with 5-V tolerance supported on nine specific input pins (e.g., certain SCI, CAN, and timer inputs). The core voltage is internally regulated to 1.1–1.3 V. These specifications are defined in Section 1.13 (I/O ports) and Section 1.1 (Overview) of the R01DS0365EJ0160 datasheet.