Renesas R5F571MFDDFP#V0

Overview

R5F571MFDDFP#V0 from Renesas is a 32-bit RXv2 core microcontroller 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 dual 12-bit A/D converters (29 total channels). It targets industrial automation gateways requiring deterministic real-time control, secure connectivity, and multi-protocol edge processing.

For engineers reviewing the R5F571MFDDFP#V0 datasheet, R5F571MFDDFP#V0 pinout, R5F571MFDDFP#V0 application, or R5F571MFDDFP#V0 equivalent, key selection considerations include its 176-pin LFBGA package (PLQP0176KB-A), dual Ethernet + USB HS + CAN coexistence, 240-MHz real-time performance with FPU, and IEC60730 safety support for Class B compliance in motor control and energy metering systems.

Technical Context

The R5F571MFDDFP#V0 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions-enabling ultra-compact code density and fast interrupt response. It integrates dual independent DMA controllers (DMACa: 8 channels; EXDMACa: 2 channels) and a dedicated Ethernet DMA (EDMACa: 3 channels) to offload frame handling from the CPU.

Clock management includes PLL-based system clock generation up to 240 MHz, separate peripheral clocks (PCLKA up to 120 MHz for Ethernet/USB/AES; PCLKB up to 60 MHz for timers/ADC), and independent IWDT-dedicated 120-kHz oscillator. Real-time operation is reinforced by ELC (Event Link Controller) enabling hardware-triggered peripheral coordination without CPU intervention.

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, lead-free, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F571MFDDFP#V0, the R5F571MLDDFP#V0 offers identical real-time capability and package but reduced memory and connectivity-ideal for scaled-down implementations. The R5F572MFDDFP#V0 delivers significantly higher compute throughput and modern security features but requires firmware re-architecture and validation effort.

Availability

R5F571MFDDFP#V0 is available at Aetrix Electronics and suitable for industrial automation gateways, smart energy meters, programmable logic controllers, and motor drive controllers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F571MFDDFP#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 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 is designed for high-performance industrial applications demanding real-time determinism, multi-protocol connectivity, functional safety, and secure firmware execution-targeting gateways, PLCs, energy infrastructure, and motor control systems.

FAQ

What is the maximum operating frequency and real-time performance of the R5F571MFDDFP#V0?

The R5F571MFDDFP#V0 operates at a maximum system clock frequency of 240 MHz, delivering 480 DMIPS of computational performance. Its RXv2 core features a 5-stage pipeline, fast interrupt response (<0.2 µs), and hardware FPU-enabling deterministic execution for industrial motion control and protocol stack processing. This performance is sustained across all on-chip peripherals including dual Ethernet and USB HS interfaces.

Does the R5F571MFDDFP#V0 support IEEE 1588 Precision Time Protocol, and how is it implemented?

Yes, the R5F571MFDDFP#V0 includes a dedicated EPTPC (Ethernet PTP Controller) block compliant with IEEE 1588-2008. It performs hardware timestamping of Ethernet frames at the MAC layer with sub-100 ns resolution, supports master/slave clock roles, and integrates with the MTU3/GPT timers for synchronized event generation-critical for time-sensitive networking in industrial automation and power substations.

What package type and pin count does the R5F571MFDDFP#V0 use, and what are its thermal characteristics?

The R5F571MFDDFP#V0 uses the PLQP0176KB-A package: a 176-pin LFBGA with 24 mm × 24 mm footprint and 0.5-mm ball pitch. It is rated for industrial temperature range (–40°C to +85°C), has a thermal resistance (θJA) of 22.5°C/W, and supports reflow soldering per JEDEC J-STD-020. The package provides 127 general-purpose I/O pins with 5-V tolerance on 19 pins, open-drain capability, and configurable pull-up resistors.

How does the R5F571MFDDFP#V0 support functional safety standards like IEC 60730?

The R5F571MFDDFP#V0 integrates multiple hardware features for IEC 60730 Class B compliance: oscillation-stop detection, independent watchdog timer (IWDT) with window function, CRC calculation unit, self-diagnostic A/D converter, register write protection, and memory protection unit (MPU). These eliminate the need for external safety monitors in many industrial control applications and simplify certification efforts.

What are the key differences between the R5F571MFDDFP#V0 and the R5F571MLDDFP#V0?

The R5F571MFDDFP#V0 and R5F571MLDDFP#V0 share identical package, CPU core, clock architecture, and peripheral set except for memory and USB. The R5F571MFDDFP#V0 includes 4 MB code flash and USB 2.0 high-speed (480 Mbps) capability, while the R5F571MLDDFP#V0 has 2 MB flash and omits USB HS-making it suitable for cost-optimized gateways where high-speed USB host functionality is unnecessary.