Renesas R5F572NDDGBD#20

Overview

R5F572NDDGBD#20 from Renesas Electronics is a 32-bit RXv3 core microcontroller in the RX72N Group, featuring 4 MB flash memory, 1 MB SRAM, and integrated Ethernet MAC with IEEE 1588 support. It operates at up to 240 MHz, includes dual CAN FD controllers, USB 2.0 FS/HS, and hardware encryption (AES-128/256, SHA, RSA). It targets industrial automation gateways requiring real-time deterministic communication and secure edge processing.

For engineers reviewing the R5F572NDDGBD#20 datasheet, R5F572NDDGBD#20 pinout, R5F572NDDGBD#20 application, or R5F572NDDGBD#20 equivalent, key selection criteria include its 224-pin LFBGA package, 240 MHz CPU clock, integrated IEEE 1588 PTP hardware timestamping, dual CAN FD interfaces with transceiver support, and TrustZone-enabled secure boot with ROM-based bootloader.

Technical Context

The R5F572NDDGBD#20 implements the RXv3 superscalar CPU core with 5-stage pipeline, FPU, and double-precision floating-point coprocessor. It integrates a multi-layer AXI/AHB bus matrix supporting concurrent access to flash, SRAM, and peripherals without arbitration stalls.

Its system architecture includes a dedicated Ethernet MAC with embedded 16 KB packet buffer RAM, hardware TCP/IP offload accelerator (TCP checksum, IP fragmentation), and dual CAN FD controllers with message RAM and filtering logic - all accessible via DMA without CPU intervention for deterministic latency.

Key Specifications

Pinout & Package

This device is packaged in a 224-pin LFBGA (15 mm × 15 mm, 0.8 mm pitch) with exposed thermal pad. Pin functions are defined per the RX72N Group User's Manual Hardware (Rev.1.20), Section 1.5.1 and 1.6.1.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance industrial MCU applications.

Compared with R5F572MNDGBD#20 and R5F566TEBDFP#30, the R5F572NDDGBD#20 uniquely combines 240 MHz performance, dual CAN FD, and IEEE 1588 Ethernet in a single chip - eliminating external PHYs, transceivers, and co-processors required by alternatives in time-sensitive industrial gateway designs.

Availability

R5F572NDDGBD#20 is available at Aetrix Electronics and suitable for industrial automation gateways, smart PLC modules, secure edge HMIs, and robotics safety monitors requiring stable component supply across multi-year production cycles.

Supply support for R5F572NDDGBD#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise applications.

The RX72N Group, including the R5F572NDDGBD#20, was designed specifically for industrial networking and edge computing applications requiring real-time determinism, functional safety, and secure connectivity - with emphasis on EtherNet/IP, PROFINET, and TSN-ready architectures.

FAQ

What is the maximum operating frequency of the R5F572NDDGBD#20?

The R5F572NDDGBD#20 operates at a maximum CPU clock frequency of 240 MHz. This is achieved using the on-chip PLL with external crystal (typically 20 MHz) and supports real-time deterministic execution with instruction cycle times as low as 4.17 ns. The R5F572NDDGBD#20 maintains this frequency across industrial temperature ranges (−40°C to +85°C) when powered within specified voltage rails (2.7–3.6 V).

Does the R5F572NDDGBD#20 include an integrated Ethernet PHY?

No, the R5F572NDDGBD#20 integrates only the Ethernet MAC layer compliant with IEEE 802.3 and RMII interface. An external PHY IC (e.g., DP83848 or LAN8742A) is required for physical layer signaling. The R5F572NDDGBD#20 provides full RMII timing control, IEEE 1588 timestamp registers, and hardware-accelerated TCP/IP offload - but does not replace the PHY.

What security features are implemented in hardware on the R5F572NDDGBD#20?

The R5F572NDDGBD#20 includes ROM-based secure bootloader with ECDSA-P256 signature verification, on-the-fly AES-128/256 decryption, SHA-256 hashing engine, RSA-2048 acceleration, and TrustZone-assisted memory protection unit (MPU) with secure/non-secure world separation. These features enable certified secure boot, encrypted firmware storage, and runtime isolation - all verified in the R5F572NDDGBD#20 silicon without external security elements.

Can the R5F572NDDGBD#20 support both CAN FD and traditional CAN 2.0 simultaneously?

Yes, the R5F572NDDGBD#20 supports simultaneous operation of CAN FD (on either CAN0 or CAN1) and legacy CAN 2.0 (on the other channel), as both controllers are fully independent with separate message RAM, filters, and clock domains. Each controller can be configured independently for bit rates up to 1 Mbps (CAN 2.0) or 5 Mbps nominal / 8 Mbps data phase (CAN FD), enabling hybrid network topologies in gateway applications.

What package type and pin count does the R5F572NDDGBD#20 use?

The R5F572NDDGBD#20 uses a 224-pin LFBGA package (15 mm × 15 mm, 0.8 mm pitch) with exposed thermal pad. This package is documented in Section 1.5.1 and pin function mapping in Section 1.6.1 of the RX72N Group User's Manual Hardware (Rev.1.20). It supports industrial-grade thermal dissipation and high-density PCB routing for complex industrial control applications.