Renesas R5F571MFGDFB#30

Overview

R5F571MFGDFB#30 from Renesas is a 32-bit RXv2 core microcontroller operating at up to 240 MHz, delivering 480 DMIPS and integrated single-precision IEEE-754 FPU. It integrates 4 MB code flash, 512 KB SRAM (including 32 KB ECC RAM), dual 12-bit ADCs (29 total channels), IEEE 1588-compliant dual Ethernet MAC, high-speed USB 2.0 with battery charging, and CAN v2.0B - deployed in industrial gateways requiring real-time deterministic control, secure connectivity, and multi-protocol edge processing.

For engineers reviewing the R5F571MFGDFB#30 datasheet, R5F571MFGDFB#30 pinout, R5F571MFGDFB#30 application, or R5F571MFGDFB#30 equivalent, key selection criteria include its 176-pin LFBGA package (PLQP0176KB-A), 240-MHz real-time performance with MPU and IEC60730 safety features, dual Ethernet + USB HS + CAN triple connectivity, and on-chip AES/SHA encryption for secure firmware updates and data-in-transit protection.

Technical Context

The R5F571MFGDFB#30 implements the RXv2 CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and hardware FPU supporting IEEE-754 single-precision arithmetic. Its clock system combines external crystal (8–24 MHz) with internal PLL and multiple on-chip oscillators (LOCO, HOCO, IWDT-dedicated), enabling independent domain clocks: ICLK up to 240 MHz, PCLKA up to 120 MHz (for ETHERC, USBA, AES), and PCLKB up to 60 MHz (for timers, ADC, UART).

It supports four low-power modes (sleep, all-module clock stop, software standby, deep software standby), RTC with battery backup (VBATT), and robust safety features including oscillation-stop detection, CRC engine, IWDTa with window function, and register write protection - all aligned with IEC60730 Class B compliance requirements for household and industrial appliances.

Key Specifications

Pinout & Package

Package: PLQP0176KB-A - 176-pin Low-Profile Fine-Pitch Ball Grid Array (LFBGA), 24 mm × 24 mm body, 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 R5F571MFGDFB#30, the R5F571MLDFB#30 offers identical real-time performance and safety features at lower flash capacity and no USB HS, while the R5F572MLHFB#30 extends capability with CAN FD and graphics acceleration but requires firmware migration due to architectural enhancements.

Availability

R5F571MFGDFB#30 is available at Aetrix Electronics and suitable for industrial gateways, smart energy meters, programmable logic controllers, and factory automation HMIs requiring stable component supply, long lifecycle support, and automotive-grade reliability under extended temperature conditions.

Supply support for R5F571MFGDFB#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 industrial, automotive, and enterprise applications.

The RX71M Group - including R5F571MFGDFB#30 - was designed for high-performance, safety-certifiable industrial control systems requiring deterministic real-time execution, multi-protocol connectivity, and hardware-accelerated security functions.

FAQ

What is the maximum operating frequency and core architecture of the R5F571MFGDFB#30?

The R5F571MFGDFB#30 operates at a maximum frequency of 240 MHz using the 32-bit RXv2 CPU core, achieving 480 DMIPS performance. It implements a CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and hardware single-precision IEEE-754 floating-point unit - enabling high-efficiency deterministic control in industrial applications where both computational throughput and low-latency interrupt response are critical. The R5F571MFGDFB#30's architecture supports real-time OS scheduling and complex motion control algorithms without external co-processors.

Does the R5F571MFGDFB#30 support IEEE 1588 Precision Time Protocol?

Yes, the R5F571MFGDFB#30 integrates a dedicated PTP controller (EPTPCa) compliant with IEEE 1588-2008, directly linked to both Ethernet MAC modules. It provides hardware timestamping for ingress/egress frames with sub-microsecond resolution, supports boundary clock and transparent clock modes, and synchronizes to external grandmasters via PTP messages - essential for time-sensitive industrial networks like TSN and substation automation. This capability is built into the R5F571MFGDFB#30 silicon and requires no external timing IC.

What package type and pin count does the R5F571MFGDFB#30 use?

The R5F571MFGDFB#30 uses the PLQP0176KB-A package: a 176-pin Low-Profile Fine-Pitch Ball Grid Array measuring 24 mm × 24 mm with 0.5 mm ball pitch. This LFBGA package supports high-density routing for dual Ethernet PHY interfaces, USB HS traces, and 127 general-purpose I/O pins - including 19 with 5-V tolerance - and is rated for operation from –40°C to +105°C. The R5F571MFGDFB#30's mechanical footprint matches Renesas' standard 176-pin RX71M layout for design reuse.

How many Ethernet MAC interfaces does the R5F571MFGDFB#30 include?

The R5F571MFGDFB#30 includes two fully independent IEEE 802.3-compliant Ethernet MAC interfaces, each supporting 10/100 Mbps operation in full- or half-duplex mode with MII or RMII physical layer support. Both MACs integrate DMA engines (EDMACa), hardware PTP timestamping (EPTPCa), and Magic Packet™ wake-on-LAN - enabling dual-port bridging, redundant network paths, or protocol gateway functions without external switch ICs. This dual-MAC capability is a fixed feature of the R5F571MFGDFB#30 and cannot be disabled or reconfigured.

What safety certifications and features does the R5F571MFGDFB#30 support for industrial use?

The R5F571MFGDFB#30 includes hardware features aligned with IEC60730 Class B compliance: oscillation-stop detection, CRC calculation engine, independent watchdog timer (IWDTa) with window function, A/D converter self-diagnostic, and register write protection. These capabilities reduce external safety component count and simplify functional safety certification for household appliances and industrial controls. The R5F571MFGDFB#30's safety features are documented in Renesas' official safety manual R01UL0079EJ0100 and are integral to the device - not dependent on software-only implementation.