Renesas R5F5651CHGFM#30

Overview

R5F5651CHGFM#30 from Renesas is a 120-MHz 32-bit RXv2 microcontroller with single-precision IEEE-754 FPU, 240 DMIPS performance, 2 MB on-chip code flash (dual-bank), 640 KB SRAM, and integrated Ethernet MAC, CAN, SD host/slave, QSPI, and GLCDC. It targets industrial HMI, networked gateway, and secure embedded control applications requiring real-time processing, connectivity, and graphical display.

For engineers reviewing the R5F5651CHGFM#30 datasheet, R5F5651CHGFM#30 pinout, R5F5651CHGFM#30 application, or R5F5651CHGFM#30 equivalent, key selection criteria include its 176-pin LFBGA package (PLQP0176KB-A), -40°C to +105°C operating range (G-version), dual-bank flash for safe firmware updates, TSIP-based hardware encryption, and integrated 2D drawing engine (DRW2D) for GUI acceleration.

Technical Context

The R5F5651CHGFM#30 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions-enabling ultra-compact code density and deterministic interrupt latency. Its clock system supports external crystal (8–24 MHz) or internal PLL, with independent domain clocks: ICLK up to 120 MHz for CPU, PCLKA up to 120 MHz for Ethernet/DRW2D/GLCDC, and PCLKB up to 60 MHz for timers and ADC.

It integrates safety-critical features aligned with IEC60730: oscillation-stop detection, CRC calculator (CRCA) with configurable polynomials, register write protection, self-diagnostic A/D converter, and Trusted Secure IP (TSIP) for AES-128/192/256. The ELC (Event Link Controller) enables hardware-triggered peripheral coordination without CPU intervention-critical for deterministic timing in motor control and real-time communication stacks.

Key Specifications

Pinout & Package

Package: PLQP0176KB-A - 176-pin LFBGA, 24 mm × 24 mm, 0.5 mm pitch, RoHS-compliant, G-version (-40°C to +105°C).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F5651CHGFM#30, R5F565NEDDFP#30 reduces footprint and cost by omitting Ethernet and graphics peripherals, while R7FA6M2AF3CFP#AA0 shifts focus to motor control with CAN FD and advanced timer features-neither matches the full integration of Ethernet, GLCDC, and TSIP in the R5F5651CHGFM#30.

Availability

R5F5651CHGFM#30 is available at Aetrix Electronics and suitable for industrial HMI, smart gateway, and secure networked PLC applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F5651CHGFM#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 specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX65N Group-including R5F5651CHGFM#30-is designed for high-integration industrial applications demanding real-time performance, functional safety, connectivity, and human-machine interface capabilities.

FAQ

What is the maximum operating frequency and CPU architecture of the R5F5651CHGFM#30?

The R5F5651CHGFM#30 operates at a maximum frequency of 120 MHz using the 32-bit RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions. It delivers 240 DMIPS performance and includes a single-precision IEEE-754 floating-point unit (FPU), making it suitable for computationally intensive industrial control and signal processing tasks where deterministic timing and numerical accuracy are critical. The R5F5651CHGFM#30 leverages this architecture to achieve ultra-compact code density and low interrupt latency.

Does the R5F5651CHGFM#30 support secure firmware updates and cryptographic operations?

Yes, the R5F5651CHGFM#30 integrates Trusted Secure IP (TSIP) supporting AES-128/192/256 encryption/decryption with secure key storage, enabling secure boot and authenticated over-the-air (OTA) firmware updates. It also includes a CRC calculator (CRCA) with configurable polynomials, memory protection unit (MPU), and register write protection-all aligned with IEC60730 Class B requirements. These features ensure the R5F5651CHGFM#30 meets functional safety and cybersecurity needs in industrial and medical applications.

What display and graphics capabilities does the R5F5651CHGFM#30 provide?

The R5F5651CHGFM#30 integrates a Graphic-LCD Controller (GLCDC) supporting 3-layer overlay (background + 2 graphics planes), multiple color depths (32/16/8/4/1-bit), and direct RGB/ITU-R BT.601 output. It also includes a dedicated 2D Drawing Engine (DRW2D) that accelerates vector rendering (lines, triangles, circles) and bit blitting (copy, stretch, rotate) with bus-master frame buffer access. This combination allows the R5F5651CHGFM#30 to drive high-resolution TFT displays efficiently without burdening the CPU.

How many communication interfaces does the R5F5651CHGFM#30 support, and which are included?

The R5F5651CHGFM#30 supports Ethernet MAC (10/100 Mbps), CAN (2 channels, 32 mailboxes each), USB 2.0 FS host/function, SD host/slave (SDHI/SDSI), quad SPI (QSPI), 3× RSPI, 3× I2C, and 13× SCI (including SCIg/h/i variants). This extensive interface set enables the R5F5651CHGFM#30 to serve as a central connectivity hub in edge gateways, supporting simultaneous protocol translation (e.g., CAN-to-Ethernet), local storage, and peripheral expansion without external bridge ICs.

What is the package type and operating temperature range of the R5F5651CHGFM#30?

The R5F5651CHGFM#30 uses the PLQP0176KB-A package: a 176-pin LFBGA with 24 mm × 24 mm body size and 0.5 mm pitch. It is rated for industrial operation from –40°C to +105°C (G-version), making it suitable for harsh environments such as factory automation, transportation systems, and outdoor infrastructure. This thermal specification ensures reliable R5F5651CHGFM#30 operation under sustained load and ambient extremes without derating.