Renesas R7FA8M1AHECFC#BA0

Overview

R7FA8M1AHECFC#BA0 from Renesas is a high-performance 32-bit Arm® Cortex®-M85 microcontroller operating at up to 480 MHz, featuring 2 MB code flash, 1 MB SRAM (with ECC/parity), and integrated Ethernet MAC, USB 2.0 High-Speed, dual CAN FD, OSPI, SDHI, I3C, and advanced security via RSIP-E51A + Arm TrustZone®. It targets secure industrial gateways, automotive body control modules, and real-time edge AI inference nodes requiring deterministic timing and hardware-enforced isolation.

For engineers reviewing the R7FA8M1AHECFC#BA0 datasheet, R7FA8M1AHECFC#BA0 pinout, R7FA8M1AHECFC#BA0 application, or R7FA8M1AHECFC#BA0 equivalent, this page delivers verified specifications, package mapping to 176-pin LQFP, functional pin roles, security architecture details, and validated alternative MCUs for scalable platform design - all grounded in Renesas R01DS0417EJ0130 Rev.1.30.

Technical Context

The R7FA8M1AHECFC#BA0 implements Armv8.1-M with Helium™ MVE for vectorized signal processing, dual-bank flash supporting background SWAP operations, and on-chip SRAM partitioned into 128 KB TCM (ECC), 384 KB ECC SRAM, and 512 KB parity SRAM. Its memory subsystem enables secure over-the-air firmware updates without runtime interruption.

Security is enforced through hardware-isolated domains: RSIP-E51A accelerates AES/RSA/ECC/HASH with 256-bit HUK and SPA/DPA resistance, while Arm TrustZone® configures up to four flash regions, two data flash regions, and per-peripheral secure/non-secure attribution - enabling certified secure boot and decryption-on-the-fly (DOTF) for encrypted external OSPI memory.

Key Specifications

Pinout & Package

Package: 176-pin LQFP (PLQP0176KJ-A), 24 mm × 24 mm, 0.5 mm pitch, RoHS-compliant Sn termination.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance secure MCU applications.

Compared with R7FA8M1AHECFC#BA0, the R7FA6M2AF3CFP#AA0 reduces performance, security, and connectivity for lower-cost embedded control, while the R7FA8M1AHECBD#AA0 extends I/O, memory bandwidth, and package density at the expense of LQFP assembly simplicity.

Availability

R7FA8M1AHECFC#BA0 is available at Aetrix Electronics and suitable for industrial gateways, automotive body electronics, and medical imaging systems requiring stable component supply across extended product lifecycles.

Supply support for R7FA8M1AHECFC#BA0 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 RA8M1 group delivers high-performance, secure Arm Cortex-M85 MCUs targeting next-generation industrial IoT, automotive domain controllers, and edge AI - emphasizing hardware-enforced security, real-time determinism, and scalable memory/peripheral integration.

FAQ

What is the maximum operating frequency and core architecture of the R7FA8M1AHECFC#BA0?

The R7FA8M1AHECFC#BA0 features an Arm Cortex-M85 core with Helium technology, operating at a maximum frequency of 480 MHz. It implements the Armv8.1-M architecture profile with Armv8-M Security Extension, includes a floating-point unit compliant with IEEE 754-2008, and supports M-profile Vector Extension (MVE) for efficient signal processing. This architecture enables high-throughput deterministic execution required for real-time industrial and automotive applications.

Does the R7FA8M1AHECFC#BA0 support hardware-accelerated cryptography, and what algorithms are implemented?

Yes, the R7FA8M1AHECFC#BA0 integrates the Renesas Secure IP (RSIP-E51A) engine, which provides hardware acceleration for symmetric cryptography (AES-128/256), asymmetric cryptography (RSA-2048/4096, ECC NIST P-256/P-384), and message digest computation (SHA-256). It also includes a 128-bit unique ID, 256-bit hardware unique key (HUK), true random number generation, and SPA/DPA countermeasures - all confirmed in R01DS0417EJ0130 Rev.1.30 Section 1.12.

What package type and pin count does the R7FA8M1AHECFC#BA0 use, and is it RoHS-compliant?

The R7FA8M1AHECFC#BA0 uses a 176-pin LQFP package (PLQP0176KJ-A), measuring 24 mm × 24 mm with 0.5 mm pitch. It is RoHS-compliant with Sn (tin) terminal finish (denoted by "A" in the part number suffix). This package supports 128 general-purpose I/O pins and is rated for −40°C to +125°C junction temperature, making it suitable for demanding industrial and automotive environments.

How does the R7FA8M1AHECFC#BA0 implement secure boot and runtime isolation?

The R7FA8M1AHECFC#BA0 implements secure boot via immutable ROM-based First Stage Bootloader (FSBL) and hardware-enforced TrustZone® memory regions. TrustZone partitions code flash into up to four configurable regions, data flash into two regions, and SRAM into two regions - each assigned Secure or Non-secure attribution. Combined with RSIP-E51A key management and secure debug disable, this creates a certified root of trust for firmware validation and runtime domain separation.

What external memory interfaces does the R7FA8M1AHECFC#BA0 support, and what standards do they comply with?

The R7FA8M1AHECFC#BA0 supports Octal SPI (OSPI) compliant with JEDEC JESD251 (xSPI), JESD251-1, and JESD252 standards - enabling direct XIP from HyperFlash™ and HyperRAM™. It also supports SD/MMC Host Interface (SDHI) compliant with SD 4.0/SDHC/SDXC and eMMC 4.51 (JESD84-B451), plus optional external bus interface (EBI) and SDRAM controller in selected variants - though EBI/SDRAM are not enabled in the 176-pin LQFP variant per Table 1.14.