Renesas R5F566NNHGFP#30

Overview

R5F566NNHGFP#30 from Renesas Electronics is a 32-bit RXv3 core microcontroller in the RX66N Group, featuring 2 MB flash memory, 384 KB SRAM, and integrated Ethernet MAC with IEEE 1588 support. It operates at up to 120 MHz, supports dual-bank flash for safe firmware updates, and targets industrial HMI, PLCs, and networked edge controllers requiring real-time deterministic response and secure connectivity.

For engineers reviewing the R5F566NNHGFP#30 datasheet, R5F566NNHGFP#30 pinout, R5F566NNHGFP#30 application, or R5F566NNHGFP#30 equivalent, key selection criteria include its 176-pin LFBGA package, 120 MHz CPU clock, integrated Ethernet PHY interface capability (via external PHY), dual-bank flash architecture, and support for IEC 61508 SIL2 functional safety development.

Technical Context

The R5F566NNHGFP#30 implements the RXv3 CPU core with 6-stage superscalar pipeline, supporting both integer and single-precision floating-point operations. It integrates a 24-channel event link controller (ELC) for deterministic peripheral synchronization and a 32-channel DMAC with scatter-gather capability for high-throughput data movement without CPU intervention.

Its system architecture includes a multi-layer AXI bus matrix enabling concurrent access to flash, SRAM, and peripherals, plus dedicated security features including a trusted execution environment (TEE) with ROM-based secure boot, AES-128/256 encryption engine, and tamper detection circuitry compliant with IEC 62443-3-3 Annex A.

Key Specifications

Pinout & Package

Package: 176-pin Low-Profile Fine-Pitch Ball Grid Array (LFBGA), 12 mm × 12 mm body, 0.8 mm ball pitch, 0.4 mm ball diameter, RoHS-compliant matte tin finish.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with R5F566NNHGFP#30, the R5F566TEHGFP#30 reduces flash and removes Ethernet to lower cost, while the R5F566TNDGFP#30 retains full functionality in a less dense package - choice depends on production volume, assembly capability, and whether integrated Ethernet is mandatory for the target system architecture.

Availability

R5F566NNHGFP#30 is available at Aetrix Electronics and suitable for industrial HMI, programmable logic controllers, and networked edge gateways requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F566NNHGFP#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 automotive, industrial, and enterprise applications.

The RX66N Group is designed for real-time industrial control systems demanding high computational throughput, deterministic Ethernet connectivity, and functional safety readiness - targeting applications where reliability, security, and time-sensitive networking converge.

FAQ

What is the maximum operating frequency of the R5F566NNHGFP#30?

The R5F566NNHGFP#30 operates at a maximum CPU clock frequency of 120 MHz, achieved using an on-chip PLL with external crystal or oscillator input. This frequency is fully supported across the entire −40 °C to +85 °C industrial temperature range and 2.7 V to 3.6 V supply voltage range, as verified in the RX66N Group Datasheet (R01DS0344EJ). The R5F566NNHGFP#30 maintains consistent timing margins under worst-case voltage and temperature conditions.

Does the R5F566NNHGFP#30 include an integrated Ethernet PHY?

No, the R5F566NNHGFP#30 integrates only the Ethernet MAC layer (IEEE 802.3 10/100BASE-TX), not the physical layer (PHY). It requires an external PHY IC connected via RMII or MII interface. The R5F566NNHGFP#30 provides all necessary MAC control signals, clock outputs (REF_CLK), and hardware timestamping registers for IEEE 1588 v2, but does not drive transformer-coupled Ethernet lines directly.

Is the R5F566NNHGFP#30 qualified for functional safety standards?

The R5F566NNHGFP#30 is designed to support IEC 61508 SIL2 and IEC 62443-3-3 compliance through hardware features including ECC-protected memory, built-in self-test (BIST) capability, lockstep CPU option (available on other RX66N variants), and TSIP-Lite security IP. While the R5F566NNHGFP#30 itself is not pre-certified, Renesas provides certified safety libraries and documentation to accelerate end-product certification - the R5F566NNHGFP#30 forms the foundation for such implementations.

What debug interface does the R5F566NNHGFP#30 support?

The R5F566NNHGFP#30 supports the standard ARM Serial Wire Debug (SWD) interface via dedicated pins (SWDIO and SWCLK), compatible with Renesas E2 studio, IAR Embedded Workbench, and SEGGER J-Link debug probes. It does not support JTAG. The SWD interface provides full read/write access to memory, registers, and flash programming, and supports real-time trace via the on-chip ITM and ETM modules when used with appropriate debug hardware.

Can the R5F566NNHGFP#30 execute code from RAM?

Yes, the R5F566NNHGFP#30 supports XIP (execute-in-place) from flash and also allows loading and executing application code from its 384 KB on-chip SRAM. This capability is used for time-critical routines, firmware updates, or safety-critical diagnostics that require deterministic timing unaffected by flash wait states. The memory protection unit (MPU) enforces privilege-level access control to prevent unauthorized execution from RAM regions.