Renesas R5F571MLDGFP#V0

Overview

R5F571MLDGFP#V0 from Renesas is a 32-bit RXv2 core MCU operating at up to 240 MHz (480 DMIPS), featuring 4 MB on-chip code flash, 512 KB SRAM, IEEE 1588-compliant dual Ethernet MAC, high-speed USB 2.0 with battery charging, CAN v2.0B (3 channels), and 12-bit A/D converters (29 total channels). It targets industrial automation controllers requiring real-time deterministic networking, secure firmware updates, and mixed-signal I/O.

For engineers reviewing the R5F571MLDGFP#V0 datasheet, R5F571MLDGFP#V0 pinout, R5F571MLDGFP#V0 application, or R5F571MLDGFP#V0 equivalent, key selection criteria include IEEE 1588 PTP timestamping accuracy, dual Ethernet channel isolation, USB HS + FS coexistence, 240-MHz real-time interrupt latency, and IEC 60730 safety support including CRC, oscillation-stop detection, and A/D self-diagnosis.

Technical Context

The R5F571MLDGFP#V0 implements the RXv2 CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions-enabling ultra-compact code density. It integrates dual independent Ethernet MACs (ETHERC) with dedicated EPTPC hardware for IEEE 1588 timestamping and EDMAC DMA channels optimized for zero-copy frame handling.

Its clock system supports simultaneous operation at multiple domains: ICLK up to 240 MHz for CPU execution, PCLKA up to 120 MHz for Ethernet/USB/AES peripherals, and PCLKB up to 60 MHz for timers/ADC/SCI. The device uses separate PLL paths for main clock generation and IWDT-dedicated LOCO, ensuring fail-safe watchdog timing independent of system clock faults.

Key Specifications

Pinout & Package

Package: PLQP0176KB-A (176-pin LQFP, 24 × 24 mm, 0.5-mm pitch). Pin count and peripheral availability align with 176-pin configuration per RX71M Group specification Table 1.2 - includes all dual Ethernet, USB HS+FS, 3×CAN, and 127 GPIO features.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F571MLDGFP#V0, the R5F571MDDGFP#V0 offers identical performance and feature set at lower flash capacity (2.5 MB), while the R5F571MLDFP#V0 sacrifices dual Ethernet, USB HS, and 33 GPIOs for smaller footprint - making the #V0 variant optimal for full-featured industrial controllers requiring redundancy and scalability.

Availability

R5F571MLDGFP#V0 is available at Aetrix Electronics and suitable for industrial PLCs, smart energy gateways, factory robotics HMIs, and building automation routers requiring stable component supply across multi-year production cycles.

Supply support for R5F571MLDGFP#V0 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 is a Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power solutions for industrial, automotive, and IoT markets.

The RX71M Group is designed for real-time industrial control applications demanding deterministic networking (IEEE 1588, EtherCAT), functional safety (IEC 60730), and rich analog/mixed-signal integration - targeting PLCs, HMIs, and protocol gateways.

FAQ

What is the maximum operating frequency and DMIPS rating of the R5F571MLDGFP#V0?

The R5F571MLDGFP#V0 operates at a maximum frequency of 240 MHz and delivers 480 DMIPS performance. This is achieved through its RXv2 CPU core with 5-stage pipeline, single-cycle 32-bit multiply, and dual MAC units - enabling tight real-time control loops in industrial automation applications where the R5F571MLDGFP#V0 serves as the primary motion controller.

Does the R5F571MLDGFP#V0 support IEEE 1588 Precision Time Protocol hardware timestamping?

Yes, the R5F571MLDGFP#V0 includes a dedicated EPTPC (Ethernet PTP Controller) block compliant with IEEE 1588-2008. It provides hardware timestamping of Ethernet frames with sub-100 ns resolution, synchronized to the physical layer - a core capability that makes the R5F571MLDGFP#V0 suitable for time-critical distributed control systems like synchronized servo drives.

How many Ethernet MAC interfaces does the R5F571MLDGFP#V0 integrate, and what PHY options are supported?

The R5F571MLDGFP#V0 integrates two independent IEEE 802.3-compliant Ethernet MACs supporting both MII and RMII physical layer interfaces. It does not include integrated PHYs; external 10/100 PHYs must be used. This architecture allows flexible PHY selection (e.g., transformer-coupled for noise immunity) and is explicitly documented for the 176-pin package in the R01DS0249EJ0120 datasheet - confirming dual-MAC functionality for the R5F571MLDGFP#V0.

What flash and RAM resources are available on the R5F571MLDGFP#V0?

The R5F571MLDGFP#V0 includes 4 MB of on-chip code flash memory with background programming (BGO), 512 KB of general-purpose SRAM (256 KB no-wait at 240 MHz), 32 KB of ECC-protected RAM, and 8 KB of battery-backed standby RAM. These resources enable complex real-time OS deployment, secure firmware updates, and robust data logging - all critical for the R5F571MLDGFP#V0's role in industrial controllers requiring high reliability.

Which safety standards does the R5F571MLDGFP#V0 support for industrial certification?

The R5F571MLDGFP#V0 provides hardware accelerators for IEC 60730 Class B compliance, including a CRC calculation unit, oscillation-stop detection circuit, A/D converter self-diagnostic function, and register write protection. These features reduce software diagnostic overhead and improve fault coverage - directly supporting certification of the R5F571MLDGFP#V0 in safety-related industrial equipment such as motor drives and programmable logic controllers.