Renesas R5F5651EDDFB#10

Overview

R5F5651EDDFB#10 from Renesas is a 32-bit RXv2 microcontroller with 120 MHz CPU, 240 DMIPS performance, single-precision IEEE-754 FPU, 2 MB on-chip code flash, 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 IoT edge controllers requiring real-time deterministic execution and rich peripheral integration.

For engineers reviewing the R5F5651EDDFB#10 datasheet, R5F5651EDDFB#10 pinout, R5F5651EDDFB#10 application, or R5F5651EDDFB#10 equivalent, key selection criteria include dual-bank flash for safe firmware updates, 136 GPIO with 5-V tolerance, 12-bit A/D (21-channel unit), 12-bit D/A (2-channel), and IEC60730 safety features including CRC, IWDT, and register write protection.

Technical Context

The R5F5651EDDFB#10 implements the RXv2 CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and memory protection unit (MPU) supporting eight configurable regions. It executes at up to 120 MHz using PLL-driven system clock (ICLK), while peripheral clocks (PCLKA–PCLKD) are independently configurable - PCLKA at up to 120 MHz for ETHERC/DRW2D/GLCDC, PCLKB at up to 60 MHz for timers and ADC units.

Its timing subsystem integrates RTC with battery backup, independent watchdog timer (IWDTa) running on dedicated 120-kHz oscillator with window function, and event-link controller (ELC) enabling hardware-triggered peripheral coordination without CPU intervention - critical for deterministic real-time response in motor control and industrial communication stacks.

Key Specifications

Pinout & Package

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

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F565NEHDFB#10, the R5F5651EDDFB#10 adds 512 KB flash and 384 KB expansion RAM for larger firmware and graphics buffers; versus R5F566TEHDFB#10, it trades motor-control enhancements for integrated Ethernet, SD, and display engines - making it superior for connected HMI and gateway use cases.

Availability

R5F5651EDDFB#10 is available at Aetrix Electronics and suitable for industrial HMI panels, secure IoT gateways, networked energy meters, and smart building controllers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F5651EDDFB#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for automotive, industrial, and IoT markets.

The RX65N Group, which includes the R5F5651EDDFB#10, was designed for industrial human-machine interfaces and networked edge controllers requiring high-performance real-time processing, integrated graphics, and functional safety compliance.

FAQ

What is the maximum operating frequency and core architecture of the R5F5651EDDFB#10?

The R5F5651EDDFB#10 operates at a maximum frequency of 120 MHz using the 32-bit RXv2 CPU core. This core implements a CISC Harvard architecture with a 5-stage pipeline, variable-length instructions, and supports 240 DMIPS performance. It includes single-precision IEEE-754 floating-point unit, two multiply-and-accumulate units, and a 32-bit multiplier with one-cycle execution - all confirmed in the official R01DS0276EJ0240 datasheet Rev.2.40.

Does the R5F5651EDDFB#10 support dual-bank flash for firmware updates?

Yes, the R5F5651EDDFB#10 supports dual-bank flash architecture with 2 MB of on-chip code flash memory. This enables background programming of one bank while executing from the other, allowing safe firmware updates without interrupting real-time operation. The feature is explicitly documented in Table 1.1 and Section 1.1 of the R01DS0276EJ0240 datasheet, and is a defining characteristic of the RX65N Group's reliability in field-deployed systems.

What display interfaces and graphics capabilities does the R5F5651EDDFB#10 integrate?

The R5F5651EDDFB#10 integrates a Graphic-LCD Controller (GLCDC) supporting 3-layer overlay (background, graphic 1, graphic 2), and a 2D Drawing Engine (DRW2D) with hardware-accelerated vector drawing (lines, triangles, circles) and bit-blitting (copy, stretch, rotate). It supports 32-/16-bpp graphics and CLUT formats, and connects directly to parallel RGB or CPU-interface LCD panels - all confirmed in the "Features" section and Table 1.1 of the R01DS0276EJ0240 datasheet.

Which safety and security features are built into the R5F5651EDDFB#10 for industrial certification?

The R5F5651EDDFB#10 includes IEC60730-compliant safety features: oscillation-stop detection, CRC calculator (CRCA) for 8-/32-bit data, independent watchdog timer (IWDTa) with window function, register write protection, and A/D converter self-diagnostic. It also integrates Trusted Secure IP (TSIP) with AES-128/192/256 encryption - all specified in the "Features" and "Safety" sections of the R01DS0276EJ0240 datasheet.

What is the package type and pin count of the R5F5651EDDFB#10?

The R5F5651EDDFB#10 uses the PLQP0176KB-A package: a 176-pin Low-Profile Fine-Pitch Ball Grid Array measuring 24 × 24 mm with 0.5-mm ball pitch. This matches the RX65N Group's high-I/O variant and supports 136 general-purpose I/O pins with 5-V tolerance, open-drain capability, and pull-up resistors - as detailed in the "Package Information" section of the R01DS0276EJ0240 datasheet Rev.2.40.