Renesas R5F5651CHGFP#30

Overview

R5F5651CHGFP#30 from Renesas is a 32-bit RXv2 microcontroller operating at up to 120 MHz, delivering 240 DMIPS with integrated single-precision IEEE-754 FPU, 2 MB on-chip code flash memory, 640 KB SRAM, and hardware AES-128/192/256 encryption. It integrates Ethernet MAC, dual CAN channels (ISO 11898-1), SD host/slave interfaces, QSPI, GLCDC, DRW2D, and a 12-bit A/D converter with 21-channel unit - deployed in industrial HMI, networked gateway, and secure IoT edge controllers.

For engineers reviewing the R5F5651CHGFP#30 datasheet, R5F5651CHGFP#30 pinout, R5F5651CHGFP#30 application, or R5F5651CHGFP#30 equivalent, key selection criteria include its 176-pin LFBGA package (PLQP0176KB-A), -40°C to +105°C G-grade operation, dual-bank flash for safe firmware updates, 8 KB standby RAM with battery backup, and IEC60730-compliant safety features including CRC, IWDT, and register write protection.

Technical Context

The R5F5651CHGFP#30 implements the RXv2 CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code. It supports little-endian or big-endian data arrangement and includes two multiply-and-accumulate units, a 32-bit multiplier (1-cycle), and divider (2-cycle).

Its clock system combines external crystal (8–24 MHz), internal PLL, LOCO (240 kHz), and HOCO (16/18/20 MHz) sources, with independent domain clocks: ICLK up to 120 MHz for CPU, PCLKA up to 120 MHz for ETHERC/EDMAC/AES/GLCDC/DRW2D, and PCLKB up to 60 MHz for most peripherals including S12AD units.

Key Specifications

Pinout & Package

Package: PLQP0176KB-A - 176-pin Low-Profile Fine-Pitch Ball Grid Array (LFBGA), 24 mm × 24 mm body, 0.5 mm ball pitch, RoHS-compliant, lead-free, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F5651CHGFP#30, R5F565NEDFP#30 reduces memory capacity and peripheral count for cost-sensitive designs, while R5F566TEHDFP#30 trades graphics and storage interfaces for superior motor-control timing precision - neither is pin-compatible nor functionally substitutable without hardware and firmware revision.

Availability

R5F5651CHGFP#30 is available at Aetrix Electronics and suitable for industrial HMI, secure network gateways, and medical data loggers requiring stable component supply, long-term lifecycle assurance, and automotive-grade thermal resilience.

Supply support for R5F5651CHGFP#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 infrastructure markets.

The RX65N/RX651 Group targets high-integration, safety-certifiable applications - combining real-time performance, rich connectivity (Ethernet/CAN/SD), graphics capability, and hardware security for next-generation industrial edge devices.

FAQ

What is the maximum operating frequency and core architecture of the R5F5651CHGFP#30?

The R5F5651CHGFP#30 operates at a maximum frequency of 120 MHz using the 32-bit RXv2 CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions. It delivers 240 DMIPS and includes a single-precision IEEE-754 floating-point unit. This architecture enables deterministic real-time response and efficient code density for embedded applications requiring both computation and connectivity.

Does the R5F5651CHGFP#30 support secure boot and cryptographic acceleration?

Yes, the R5F5651CHGFP#30 includes hardware AES-128/192/256 encryption, Trusted Secure IP (TSIP), Trusted Memory (TM) for code protection, and a CRC calculator supporting 8- and 32-bit polynomials. These features enable secure boot verification, encrypted firmware updates, and runtime data integrity checks - all essential for IEC60730 Class B compliance and IoT device security.

What display and graphics capabilities does the R5F5651CHGFP#30 provide?

The R5F5651CHGFP#30 integrates a Graphic-LCD Controller (GLCDC) supporting up to WXGA resolution and a 2D Drawing Engine (DRW2D) for hardware-accelerated vector drawing, bit blitting, rotation, and scaling. It supports 32-/16-bpp graphics and CLUT formats, enabling responsive UI rendering without CPU overhead - ideal for industrial HMIs and medical displays requiring local graphics processing.

How many analog-to-digital converter channels does the R5F5651CHGFP#30 have, and what are their key specifications?

The R5F5651CHGFP#30 features two independent 12-bit A/D converters: S12AD unit 0 with 8 channels and unit 1 with 21 channels. Both support 8/10/12-bit resolution, sample-and-hold (including channel-dedicated for 3 channels in unit 0), digital comparison, self-diagnostic functions, and disconnection detection. Conversion time is 0.48 µs per channel at 12-bit resolution.

What is the package type and thermal rating of the R5F5651CHGFP#30?

The R5F5651CHGFP#30 uses the PLQP0176KB-A package: a 176-pin Low-Profile Fine-Pitch Ball Grid Array (LFBGA) with 24 mm × 24 mm body size and 0.5 mm ball pitch. It is rated for the G-version industrial temperature range of –40°C to +105°C, making it suitable for demanding environments such as factory automation, energy metering, and transportation systems.