Renesas R5F571MJDDFP#30

Overview

R5F571MJDDFP#30 from Renesas is a 32-bit RXv2 microcontroller operating at up to 240 MHz, delivering 480 DMIPS with integrated single-precision IEEE-754 FPU, 4 MB on-chip code flash, 512 KB SRAM (including 32 KB ECCRAM), and IEEE 1588-compliant dual Ethernet MAC - designed for industrial real-time control, networked gateway, and IEC 60730-compliant safety-critical applications.

For engineers reviewing the R5F571MJDDFP#30 datasheet, R5F571MJDDFP#30 pinout, R5F571MJDDFP#30 application, or R5F571MJDDFP#30 equivalent, key selection considerations include its 176-pin LFBGA package (PLQP0176KB-A), dual-channel Ethernet + USB 2.0 HS with battery charging, 3 CAN modules, 12-bit dual A/D converters (29 total channels), and hardware encryption (AES-128/192/256, SHA-256).

Technical Context

The R5F571MJDDFP#30 implements the RXv2 CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and memory protection unit (MPU). It supports little-endian or big-endian data arrangement and executes 32×32→64-bit multiply in one cycle and 32÷32 division in two cycles.

Clock subsystem includes main crystal oscillator (8–24 MHz), internal HOCO (16/18/20 MHz), LOCO (240 kHz), and PLL for 240 MHz ICLK; peripheral clocks are independently configurable - PCLKA up to 120 MHz (for ETHERC, USBA, AES), PCLKB up to 60 MHz (for timers, SCI, I²C), and ADCLK up to 60 MHz per A/D unit.

Key Specifications

Pinout & Package

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

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F571MJDDFP#30, R5F571MLDDFP#30 reduces flash capacity and removes USB 2.0 HS while retaining pin compatibility and dual Ethernet, whereas R5F566TKDDFP#30 trades networking and security features for lower cost and higher motor-control timer density - making it unsuitable for time-critical industrial networking roles.

Availability

R5F571MJDDFP#30 is available at Aetrix Electronics and suitable for industrial gateways, smart energy meters, PLCs, medical infusion pumps, and IEC 60730-certified embedded controllers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F571MJDDFP#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 global semiconductor leader headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX71M Group - including R5F571MJDDFP#30 - was engineered for real-time industrial connectivity, integrating dual IEEE 1588 Ethernet, hardware crypto, and functional safety features to accelerate development of certified edge devices.

FAQ

What is the maximum operating frequency and core architecture of the R5F571MJDDFP#30?

The R5F571MJDDFP#30 operates at a maximum frequency of 240 MHz using the RXv2 32-bit CISC Harvard architecture with 5-stage pipeline and variable-length instructions. It delivers 480 DMIPS and includes an IEEE-754 single-precision FPU, two MAC units, and a 32-bit multiplier with one-cycle execution. This architecture enables deterministic real-time performance for industrial control loops and protocol stacks.

Does the R5F571MJDDFP#30 support IEEE 1588 Precision Time Protocol, and how is it implemented?

Yes, the R5F571MJDDFP#30 integrates a dedicated IEEE 1588-compliant PTP controller (EPTPCa) linked directly to its dual Ethernet MAC (ETHERC). Timestamping occurs in hardware on packet ingress/egress with nanosecond resolution, and the EPTPCa block supports master/slave clock synchronization, delay request-response, and transparent clock functions - eliminating software timestamping jitter and enabling sub-microsecond time alignment in industrial networks.

What are the memory resources available on the R5F571MJDDFP#30?

The R5F571MJDDFP#30 includes 4 MB of on-chip code flash memory (with no wait states up to 120 MHz), 64 KB of reprogrammable data flash (rated for 100,000 erase/write cycles), 512 KB of general-purpose SRAM (256 KB zero-wait at 240 MHz), 32 KB of ECCRAM with SEC-DED error correction, and 8 KB of battery-backed standby RAM. These resources support complex real-time OS, protocol stacks, and secure firmware storage without external memory.

How many communication interfaces does the R5F571MJDDFP#30 support, and which are hardware-accelerated?

The R5F571MJDDFP#30 supports dual IEEE 1588 Ethernet MAC, USB 2.0 HS + FS with battery charging, 3× CAN (ISO 11898-1), 9× SCI, 4× SCIFA, 2× I²C, QSPI, SDHI, MMCIF, and PDC. Hardware acceleration is provided for Ethernet (EDMACa, EPTPCa), USB (USBAa/USBb), CAN (mailbox arbitration), and crypto (AES/SHA/DES engines), significantly reducing CPU load during high-throughput transfers.

Is the R5F571MJDDFP#30 qualified for IEC 60730 Class B safety compliance, and what features enable this?

Yes, the R5F571MJDDFP#30 includes multiple hardware features for IEC 60730 Class B compliance: oscillation-stoppage detection, built-in CRC calculator, independent watchdog timer (IWDTa) with window function, A/D converter self-diagnostic mode, register write protection, and memory protection unit (MPU). These capabilities allow developers to meet functional safety requirements without adding external monitoring components - verified per Renesas' safety manual R01UL0077EJ0200.