Renesas R5F5651EHGFC#30

Overview

R5F5651EHGFC#30 from Renesas is a 32-bit RXv2 microcontroller operating at up to 120 MHz (240 DMIPS), featuring on-chip FPU, 1.5 MB code flash, 640 KB SRAM, dual-bank flash architecture, Ethernet MAC, USB 2.0 FS host/function, CAN, SDHI/SDSI, QSPI, and hardware AES-128/192/256 encryption - deployed in industrial HMI, networked gateway, and secure IoT edge devices.

For engineers reviewing the R5F5651EHGFC#30 datasheet, R5F5651EHGFC#30 pinout, R5F5651EHGFC#30 application, or R5F5651EHGFC#30 equivalent, key selection criteria include its 176-pin LFBGA package (PLQP0176KB-A), 120-MHz real-time performance with MPU and TSIP security, dual-bank flash for safe firmware updates, and integrated peripheral set supporting simultaneous Ethernet, USB, and SD card interfacing without external glue logic.

Technical Context

The R5F5651EHGFC#30 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code density. It integrates a single-precision IEEE-754 FPU, two MAC units, and a 32-bit multiplier with one-cycle execution - enabling deterministic real-time control loops and signal processing.

Its clock system combines external crystal (8–24 MHz) with internal PLL and selectable on-chip oscillators (HOCO/LOCO), delivering independent clocks for ICLK (up to 120 MHz), PCLKA (120 MHz for ETHERC/EDMAC/AES/GLCDC), PCLKB (60 MHz for most peripherals), and dedicated ADCLKs (60 MHz per A/D unit) - ensuring precise timing isolation across high-speed interfaces and analog subsystems.

Key Specifications

Pinout & Package

Package: PLQP0176KB-A - 176-pin Low-Profile Fine-Pitch Ball Grid Array, 24 mm × 24 mm, 0.5 mm pitch, RoHS-compliant, lead-free.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit industrial MCU applications.

Compared with R5F5651EHGFC#30, R5F565NEDFP#30 trades Ethernet/SD integration for lower-cost packaging and reduced pin count, while R7FA6M2AF3CFP#AA0 shifts focus to deterministic motion control with EtherCAT at the expense of security acceleration and graphical capabilities - making neither a drop-in replacement but context-specific alternatives.

Availability

R5F5651EHGFC#30 is available at Aetrix Electronics and suitable for industrial HMI, secure edge gateway, and networked medical device applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for R5F5651EHGFC#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 global semiconductor leader headquartered in Japan, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise markets.

The RX65N Group - including R5F5651EHGFC#30 - was designed for secure, graphics-rich, network-connected industrial edge devices, combining real-time performance, functional safety compliance (IEC 60730), and hardware security acceleration in a single chip.

FAQ

What is the maximum operating frequency and core type of the R5F5651EHGFC#30?

The R5F5651EHGFC#30 operates at a maximum frequency of 120 MHz using the 32-bit RXv2 CPU core. This core delivers 240 DMIPS performance and includes a single-precision IEEE-754 floating-point unit, two multiply-and-accumulate units, and a 32-bit multiplier with one-cycle execution - enabling high-efficiency real-time computation for industrial control and protocol stacks.

Does the R5F5651EHGFC#30 support secure firmware updates?

Yes, the R5F5651EHGFC#30 supports secure firmware updates via its dual-bank flash architecture and Trusted Secure IP (TSIP). The dual-bank feature allows background programming of one bank while executing from the other, enabling zero-downtime updates. TSIP provides hardware-accelerated AES encryption and secure key storage to authenticate and decrypt OTA firmware images - ensuring integrity and confidentiality during update delivery.

Which communication interfaces are integrated into the R5F5651EHGFC#30?

The R5F5651EHGFC#30 integrates Ethernet MAC (10/100 Mbps MII/RMII), USB 2.0 FS host/function/OTG, two CAN channels (ISO 11898-1), three RSPI channels, one QSPI channel, SD host interface (SDHI), SD slave interface (SDSI), MMCIF, and up to 13 SCI channels. This comprehensive set eliminates the need for external interface ICs in gateway and HMI designs.

What graphics capabilities does the R5F5651EHGFC#30 provide for HMI applications?

The R5F5651EHGFC#30 includes a Graphic-LCD Controller (GLCDC) supporting 3-layer overlay (background + two graphics planes) and a 2D Drawing Engine (DRW2D) for hardware-accelerated vector drawing, bit blitting, and texture mapping. These features reduce CPU load in GUI rendering and enable smooth animations - making it suitable for responsive industrial HMIs without external graphics processors.

Is the R5F5651EHGFC#30 compliant with functional safety standards?

Yes, the R5F5651EHGFC#30 includes features aligned with IEC 60730 Class B requirements, including oscillation-stoppage detection, hardware CRC calculation (CRCA), independent watchdog timer (IWDTa), self-diagnostic A/D functions, and register write protection. These capabilities support safe operation in household and industrial appliances - verified through Renesas' functional safety documentation for the RX65N Group.