Renesas R5F56514FDFM#30

Overview

R5F56514FDFM#30 from Renesas Electronics is a 32-bit RXv2 core microcontroller unit (MCU) in an 80-pin LQFP package, operating at up to 120 MHz with 512 KB flash, 128 KB RAM, and integrated USB 2.0 FS host/device controller, Ethernet MAC, and AES encryption engine - deployed as the main application processor on the RX65N Envision Kit evaluation board.

For engineers reviewing the R5F56514FDFM#30 datasheet, R5F56514FDFM#30 pinout, R5F56514FDFM#30 application, or R5F56514FDFM#30 equivalent, this MCU serves as the system-on-chip foundation for secure boot, dual-bank firmware updates, touch-enabled HMI demos, and industrial Ethernet connectivity validation on the RX65N Envision Kit platform.

Technical Context

The R5F56514FDFM#30 implements the RXv2 CPU core with 120 MHz max frequency, 5-stage pipeline, and FPU support. It integrates a 12-bit ADC (24 channels), 32-bit timer units (TMR, CMT), and multiple serial interfaces including SCI, SPI, I²C, and CAN FD.

It supports secure boot via ROM-resident bootloader, dual-bank flash update capability, and hardware-accelerated AES-128/256 for encrypted firmware image verification - all required for the RX65N Envision Kit's std.rsu and bench.rsu firmware update workflow.

Key Specifications

Availability

R5F56514FDFM#30 is available at Aetrix Electronics and suitable for industrial HMI development, secure firmware update validation, and Ethernet-connected embedded gateway prototyping requiring stable component supply and long-term lifecycle support.

Supply support for R5F56514FDFM#30 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise applications.

The R5F56514FDFM#30 belongs to the RX65N group - designed specifically for secure, connected industrial devices with dual-bank firmware update, touch HMI, and Ethernet/IP stack readiness.

FAQ

What is the role of R5F56514FDFM#30 on the RX65N Envision Kit?

The R5F56514FDFM#30 serves as the main application MCU on the RX65N Envision Kit, executing both standard and benchmark demo firmware (std.rsu and bench.rsu), managing USB memory stick-based firmware updates, performing bank-swap operations, and driving the capacitive touch display interface. Its integrated peripherals directly enable the kit's out-of-box secure boot and dual-bank update functionality.

Does R5F56514FDFM#30 support hardware-accelerated cryptography?

Yes, R5F56514FDFM#30 includes a dedicated hardware AES engine supporting AES-128 and AES-256 encryption/decryption. This accelerator is used by the ROM bootloader to verify signed firmware images (*.rsu) before initiating bank swap - a core security requirement confirmed in the RX65N Envision Kit firmware update flow documentation.

What is the flash memory configuration used for firmware updates on R5F56514FDFM#30?

R5F56514FDFM#30 uses a dual-bank flash layout where 512 KB total flash is partitioned into two equal banks. The RX65N Envision Kit's bootloader loads new firmware (e.g., bench.rsu) into the inactive bank, validates it using the AES engine, then performs atomic bank swap and software reset - ensuring fail-safe updates without bricking the device.

Which communication interfaces does R5F56514FDFM#30 use for firmware loading from USB memory?

R5F56514FDFM#30 uses its integrated USB 2.0 Full-Speed peripheral in device mode to enumerate as a USB mass storage class device, allowing direct read access to *.rsu files from a FAT32-formatted USB memory stick. No external USB bridge IC or host PC is required - the R5F56514FDFM#30 handles enumeration, file parsing, and flash programming autonomously.

Is R5F56514FDFM#30 pin-compatible with other RX65N group MCUs?

R5F56514FDFM#30 is packaged in an 80-pin LQFP (12 × 12 mm, 0.5 mm pitch) and shares the same pinout as other RX65N MCUs in the same package variant, including R5F5651EDFM#30 and R5F56519DFM#30. Pin compatibility is confirmed in Renesas' RX65N Group Hardware User's Manual and supported by shared reference design layouts for the RX65N Envision Kit.