Renesas R5F5651CHGFM#10

Overview

R5F5651CHGFM#10 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, GLCDC, DRW2D, and TSIP encryption. It targets industrial HMI, networked gateways, and secure edge devices requiring real-time control, graphics rendering, and connectivity.

For engineers reviewing the R5F5651CHGFM#10 datasheet, R5F5651CHGFM#10 pinout, R5F5651CHGFM#10 application, or R5F5651CHGFM#10 equivalent, key selection criteria include its 177-pin TFLGA package, -40°C to +105°C operating range (G-version), dual-bank flash for safe firmware updates, 12-bit dual A/D converters (29 total channels), and hardware-accelerated AES/TSIP for IEC60730-compliant safety functions.

Technical Context

The R5F5651CHGFM#10 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions-enabling ultra-compact code density. Its memory subsystem includes 2 MB code flash with zero-wait access up to 50 MHz (or cache-hit at 120 MHz), 32 KB data flash rated for 100,000 erase/write cycles, and 640 KB SRAM with no wait states at full 120 MHz operation.

Peripheral integration centers on deterministic real-time I/O: dual-channel CAN (32 mailboxes/channel), 100 Mbps Ethernet MAC with RMII/MII, SDHI/SDSI/MMCIF for removable storage, and parallel data capture for CMOS camera input. Clocking supports external crystal (8–24 MHz) or internal PLL, with independent PCLKA (up to 120 MHz) and PCLKB (up to 60 MHz) domains for high-speed peripherals and analog subsystems respectively.

Key Specifications

Pinout & Package

PTLG0177KA-A is a 177-pin Thin Fine-Pitch Land Grid Array (TFLGA) package measuring 8 mm × 8 mm with 0.5-mm pitch, optimized for high-density PCB layouts and thermal performance in industrial environments. Pin assignment follows Renesas' standardized RX65N Group pinout for 177-pin variants.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F5651CHGFM#10, the R5F5651EHGFM#10 reduces flash/SRAM capacity while retaining identical peripherals and package, making it suitable for cost-sensitive designs with smaller firmware footprints; the R5F5660NHDFA#30 trades graphics and security IP for higher clock speed and CAN FD, better fitting automotive or industrial motion control where those features are secondary.

Availability

R5F5651CHGFM#10 is available at Aetrix Electronics and suitable for industrial HMI panels, secure IoT gateways, and networked building controllers requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for R5F5651CHGFM#10 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 enterprise applications.

The RX65N Group-including R5F5651CHGFM#10-is designed for high-integration industrial edge devices requiring rich connectivity (Ethernet/CAN/SD), graphics capability (GLCDC/DRW2D), and functional safety (IEC60730) with hardware security (TSIP).

FAQ

What is the maximum operating frequency and CPU architecture of the R5F5651CHGFM#10?

The R5F5651CHGFM#10 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 single-precision IEEE-754 floating-point unit (FPU) for efficient math-intensive tasks. The R5F5651CHGFM#10's instruction set supports DSP operations and fast interrupt response critical for real-time industrial control.

Does the R5F5651CHGFM#10 support dual-bank flash for safe firmware updates?

Yes, the R5F5651CHGFM#10 includes 2 MB of on-chip code flash memory organized in a dual-bank structure, enabling background programming and atomic bank swapping. This allows one bank to execute active firmware while the other is being reprogrammed-ensuring zero-downtime updates essential for unattended industrial systems. The R5F5651CHGFM#10's flash controller supports no-wait access up to 50 MHz and handles cache hits at full 120 MHz.

What graphics and display capabilities does the R5F5651CHGFM#10 provide?

The R5F5651CHGFM#10 integrates a Graphic-LCD Controller (GLCDC) supporting three overlay planes (background, graphic 1, graphic 2) and a 2D Drawing Engine (DRW2D) for hardware-accelerated vector drawing and bit blitting. It supports 32-/16-bpp pixel formats and CLUT-based color lookup tables. These features make the R5F5651CHGFM#10 ideal for industrial HMIs requiring responsive UI rendering without burdening the CPU.

How does the R5F5651CHGFM#10 meet IEC60730 safety requirements?

The R5F5651CHGFM#10 incorporates multiple IEC60730-compliant safety features: oscillation-stoppage detection, CRC calculator (CRCA) for memory/data integrity, self-diagnostic A/D converter, register write protection, and Trusted Secure IP (TSIP) for cryptographic validation. Its memory protection unit (MPU) enforces execution privilege separation. These capabilities allow the R5F5651CHGFM#10 to serve as the safety controller in Class B appliances and industrial equipment.

What is the package type and temperature grade of the R5F5651CHGFM#10?

The R5F5651CHGFM#10 uses the PTLG0177KA-A package: a 177-pin Thin Fine-Pitch Land Grid Array measuring 8 mm × 8 mm with 0.5-mm pitch. It is rated for the G-version industrial temperature range of –40°C to +105°C, making it suitable for deployment in harsh environments such as factory floors, outdoor gateways, and transportation infrastructure where thermal stability is critical. The R5F5651CHGFM#10's package supports fine-pitch routing and efficient heat dissipation.