Renesas R5F5651CHDFM#10

Overview

R5F5651CHDFM#10 from Renesas is a 32-bit RXv2 core MCU operating at up to 120 MHz (240 DMIPS), featuring 1 MB on-chip code flash, 640 KB SRAM (no wait states), single-precision IEEE-754 FPU, Ethernet MAC, dual CAN 2.0B channels, SD host/slave interfaces, and hardware AES-128/192/256 encryption - deployed in industrial HMIs with real-time graphics and secure connectivity.

For engineers reviewing the R5F5651CHDFM#10 datasheet, R5F5651CHDFM#10 pinout, R5F5651CHDFM#10 application, or R5F5651CHDFM#10 equivalent, key selection criteria include its 176-pin LFBGA package, dual-bank flash for safe firmware updates, integrated GLCDC + DRW2D for embedded GUIs, and IEC60730-compliant safety features including CRC, IWDT, and register write protection.

Technical Context

The R5F5651CHDFM#10 implements the RXv2 CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and memory protection unit (MPU) supporting eight configurable regions. It integrates dual-clock domain operation: ICLK up to 120 MHz for CPU/core logic, PCLKA up to 120 MHz for high-speed peripherals (ETHERC, EDMAC, GLCDC), and PCLKB up to 60 MHz for timers, ADC, and serial interfaces.

Its peripheral subsystem includes dedicated hardware accelerators: DRW2D for vector drawing and bit blitting, GLCDC supporting three overlay planes and multiple pixel formats, and TSIP-based Trusted Secure IP for key management and cryptographic acceleration - all coordinated via the Event Link Controller (ELC) to minimize CPU intervention in time-critical signal chains.

Key Specifications

Pinout & Package

Package: PLQP0176KB-A - 176-pin LFBGA, 24 mm × 24 mm, 0.5 mm pitch, RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F5651CHDFM#10, the R5F5651EHDFM#10 offers double flash capacity with full pin and software compatibility, while the R5F566TEHDFP#30 trades graphics peripherals for higher-frequency motor control timing - making the former ideal for scalable HMI platforms and the latter for embedded drive systems.

Availability

R5F5651CHDFM#10 is available at Aetrix Electronics and suitable for industrial HMIs, secure gateways, medical monitoring devices, and smart energy meters requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F5651CHDFM#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 headquartered in Tokyo, Japan, delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX651 Group - including R5F5651CHDFM#10 - was designed specifically for resource-constrained industrial HMI and edge-node applications requiring integrated graphics, real-time connectivity, and functional safety compliance without external co-processors.

FAQ

What is the maximum operating frequency and core architecture of the R5F5651CHDFM#10?

The R5F5651CHDFM#10 operates at a maximum frequency of 120 MHz using the 32-bit RXv2 CPU core, achieving 240 DMIPS performance. Its architecture features a 5-stage pipeline, Harvard memory organization, variable-length instructions, and support for both little- and big-endian data arrangements. The R5F5651CHDFM#10 also includes an on-chip single-precision IEEE-754 floating-point unit and two multiply-accumulate units for DSP-intensive tasks.

Does the R5F5651CHDFM#10 support secure boot and cryptographic operations?

Yes, the R5F5651CHDFM#10 integrates Trusted Secure IP (TSIP) for hardware-accelerated AES-128/192/256 encryption, secure key storage, and secure boot verification. It also includes a CRC calculator supporting 8- and 32-bit polynomials, register write protection, and oscillation-stoppage detection - all aligned with IEC60730 Class B requirements. These features ensure the R5F5651CHDFM#10 can authenticate firmware images and protect sensitive data in field-deployed devices.

What graphics capabilities does the R5F5651CHDFM#10 provide for HMI applications?

The R5F5651CHDFM#10 integrates a Graphic-LCD Controller (GLCDC) supporting three overlay planes (background + two graphics layers), multiple pixel depths (32/16/8/4/1 bpp), and direct frame buffer access. It also includes a 2D Drawing Engine (DRW2D) for hardware-accelerated vector rendering and bit blitting. Together, these enable rich GUIs without external graphics processors - a key advantage of the R5F5651CHDFM#10 in cost-sensitive industrial display applications.

How many communication interfaces does the R5F5651CHDFM#10 support, and which are most relevant for industrial networking?

The R5F5651CHDFM#10 supports Ethernet MAC (10/100 Mbps MII/RMII), two CAN 2.0B channels (32 mailboxes each), SD host/slave, QSPI, three RSPI, 13 SCI channels, and three I2C interfaces. For industrial networking, the dual CAN channels enable robust fieldbus communication with legacy machinery, while the Ethernet MAC supports OPC UA or MQTT connectivity to supervisory systems - making the R5F5651CHDFM#10 suitable for converged OT/IT edge nodes.

What is the package type and pin count of the R5F5651CHDFM#10, and is it pin-compatible with other RX651 variants?

The R5F5651CHDFM#10 uses a 176-pin LFBGA package (PLQP0176KB-A, 24 mm × 24 mm, 0.5 mm pitch). It is pin-compatible with other 176-pin RX651 Group MCUs such as R5F5651EHDFM#10 and R5F5651BHDFM#10, sharing identical power, clock, reset, and peripheral pin assignments - enabling hardware reuse across flash-density variants without PCB redesign.