Renesas R5F565N4EGLJ#20

Overview

R5F565N4EGLJ#20 from Renesas is a 32-bit RXv2 microcontroller with 120 MHz max operating frequency, 240 DMIPS performance, on-chip FPU, 2 MB code flash (dual-bank), 640 KB SRAM, and integrated Ethernet MAC, CAN, SD host/slave, QSPI, and GLCDC for industrial HMI and networked edge devices.

For engineers reviewing the R5F565N4EGLJ#20 datasheet, R5F565N4EGLJ#20 pinout, R5F565N4EGLJ#20 application, or R5F565N4EGLJ#20 equivalent, key selection criteria include dual-bank flash for safe firmware updates, 136 GPIO with 5-V tolerance, IEEE 802.3-compliant Ethernet at 10/100 Mbps, and IEC60730 safety features including CRC, IWDT, and self-diagnostic A/D.

Technical Context

The R5F565N4EGLJ#20 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code. It integrates a single-precision IEEE-754 FPU and two multiply-accumulate units for deterministic real-time signal processing.

Its clock system combines external crystal support (8–24 MHz), internal PLL, and multiple on-chip oscillators (LOCO, HOCO, IWDT-dedicated) with independent domain clocks-ICLK up to 120 MHz, PCLKA up to 120 MHz for Ethernet/DRW2D/GLCDC, and PCLKB up to 60 MHz for timers and A/D-enabling precise peripheral timing control.

Key Specifications

Pinout & Package

Package: PLQP0176KB-A - 176-pin Low-Profile Fine-Pitch Ball Grid Array (LFBGA), 24 mm × 24 mm, 0.5 mm ball pitch, RoHS-compliant, rated for –40°C to +105°C operation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F565N4EGLJ#20, the R5F565NEDFP#30 offers reduced memory and I/O count in a more manufacturable LQFP package, while the R5F566NEDFP#30 delivers full feature parity in LQFP-making both viable for design migration when BGA assembly is unavailable or thermal limits require derating.

Availability

R5F565N4EGLJ#20 is available at Aetrix Electronics and suitable for industrial HMI panels, smart gateways, secure edge nodes, and medical data loggers requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability.

Supply support for R5F565N4EGLJ#20 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, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise markets.

The RX65N Group-including R5F565N4EGLJ#20-is designed for high-integrity industrial edge applications demanding integrated connectivity (Ethernet/CAN/SD), rich graphics (GLCDC/DRW2D), and functional safety (IEC60730).

FAQ

What is the maximum operating frequency and core type of the R5F565N4EGLJ#20?

The R5F565N4EGLJ#20 operates at a maximum frequency of 120 MHz using the 32-bit RXv2 CPU core. This core delivers 240 DMIPS performance and includes a single-precision IEEE-754 floating-point unit, two multiply-accumulate units, and a 5-stage pipeline with variable-length instructions for compact, efficient code execution.

Does the R5F565N4EGLJ#20 support dual-bank flash for firmware updates?

Yes, the R5F565N4EGLJ#20 includes 2 MB of on-chip code flash memory with a dual-bank structure. This enables background programming and safe firmware swapping-allowing one bank to execute while the other is being updated-critical for zero-downtime field upgrades in industrial and medical systems.

What Ethernet interface modes does the R5F565N4EGLJ#20 support?

The R5F565N4EGLJ#20 supports both MII (Media Independent Interface) and RMII (Reduced Media Independent Interface) modes via its integrated Ethernet MAC. It complies with IEEE 802.3 for 10/100 Mbps operation in full- and half-duplex, and includes EDMAC for descriptor-based DMA transfers to minimize CPU overhead.

How many general-purpose I/O pins does the R5F565N4EGLJ#20 provide, and what are their key electrical characteristics?

The R5F565N4EGLJ#20 provides 136 general-purpose I/O pins in its 176-ball LFBGA package. These pins support 5-V tolerance on 19 signals, programmable pull-up resistors on all, and open-drain output capability-enabling direct interfacing with legacy 5-V logic and robust noise immunity in industrial environments.

What safety and security features are integrated into the R5F565N4EGLJ#20 for IEC60730 compliance?

The R5F565N4EGLJ#20 integrates multiple IEC60730-compliant features: oscillation-stop detection, CRCA for hardware CRC generation, independent watchdog timer (IWDT) with configurable windowing, register write protection, and A/D converter self-diagnostic functions. It also includes AES-128/192/256 and Trusted Secure IP (TSIP) for secure boot and data encryption.