Renesas R5F571MGHDFB#30

Overview

R5F571MGHDFB#30 from Renesas is a 32-bit RXv2 microcontroller with 240 MHz CPU, 4 MB on-chip flash, 512 KB SRAM, IEEE 1588-compliant dual Ethernet MAC, high-speed USB 2.0 with battery charging, and CAN v2.0B - deployed in industrial gateways requiring deterministic real-time control, secure connectivity, and multi-protocol edge processing.

For engineers reviewing the R5F571MGHDFB#30 datasheet, R5F571MGHDFB#30 pinout, R5F571MGHDFB#30 application, or R5F571MGHDFB#30 equivalent, key selection considerations include its 177-pin TFLGA package (8 mm × 8 mm), -40°C to +105°C operating range (G-version), integrated FPU for motor control math, hardware AES/SHA encryption, and dual-channel Ethernet with PTP timestamping support.

Technical Context

The R5F571MGHDFB#30 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions - delivering 480 DMIPS at 240 MHz while supporting IEEE-754 single-precision floating-point operations and dual MAC units for DSP-intensive tasks. Its clock system integrates PLL, HOCO (16/18/20 MHz), LOCO (240 kHz), and IWDT-dedicated oscillator, enabling independent domain clocking: ICLK up to 240 MHz, PCLKA up to 120 MHz (for ETHERC, USBA, AES), and PCLKB up to 60 MHz (for timers, ADC, SCI).

Peripheral integration follows a hierarchical bus architecture: ETHERC and USBAa are clocked by PCLKA and supported by dedicated EDMAC (3 channels) and EXDMAC (2 channels); S12ADC units operate on PCLKC/PCLKD (60 MHz max); and external bus interface supports 8 CS areas with 8/16/32-bit width per area and SDRAM mapping. The device includes ELC for hardware-triggered inter-module coordination - critical for time-sensitive sensor fusion and motion control loops.

Key Specifications

Pinout & Package

Package: PTLG0177KA-A - 177-pin Thin Fine-Pitch Land Grid Array, 8 mm × 8 mm body, 0.5 mm pitch, 0.75 mm height, RoHS-compliant, lead-free matte tin finish.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F571MLHDFB#30, the R5F571MGHDFB#30 provides double flash/SRAM for complex protocol stacks and field-upgrade resilience; versus R5F566TEHDFP#30, it adds dual Ethernet, USB HS, and SDHI at the cost of lower motor-control timer density - making it optimal for converged edge node architectures.

Availability

R5F571MGHDFB#30 is available at Aetrix Electronics and suitable for industrial gateways, smart energy meters, PLC CPU modules, and motor drive control units requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F571MGHDFB#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 specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise applications.

The RX71M Group is designed for high-performance industrial connectivity - integrating dual Ethernet, USB HS, CAN, and crypto acceleration to serve as the central processing unit in intelligent edge devices requiring real-time determinism and functional safety.

FAQ

What is the maximum operating frequency and DMIPS rating of the R5F571MGHDFB#30?

The R5F571MGHDFB#30 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 real-time execution of complex control algorithms and protocol stacks without software bottlenecks. The R5F571MGHDFB#30 sustains this performance across its full temperature range (-40°C to +105°C).

Does the R5F571MGHDFB#30 support IEEE 1588 Precision Time Protocol, and how is it implemented?

Yes, the R5F571MGHDFB#30 includes a dedicated IEEE 1588-compliant PTP controller (EPTPCa) tightly coupled to its dual Ethernet MACs. It performs hardware timestamping of ingress/egress frames with sub-100 ns resolution, supports PTP slave/master/transparent clock modes, and synchronizes both Ethernet channels to a common time base - critical for time-sensitive networking in industrial automation. The R5F571MGHDFB#30 uses this capability to meet IEC 62439-3 timing requirements without external timing ICs.

What are the memory resources available on the R5F571MGHDFB#30?

The R5F571MGHDFB#30 integrates 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 write/erase cycles), 512 KB of general-purpose SRAM (256 KB accessible with zero wait states at 240 MHz), 32 KB of ECC-protected RAM, and 8 KB of battery-backed standby RAM. These resources allow robust firmware partitioning, secure key storage, and real-time buffer allocation - all verified in the R5F571MGHDFB#30 datasheet Rev.1.20.

Which communication interfaces does the R5F571MGHDFB#30 support for industrial networking?

The R5F571MGHDFB#30 supports dual IEEE 802.3 10/100 Mbps Ethernet MACs with MII/RMII, three ISO 11898-1 CAN v2.0B channels (32 mailboxes each), nine SCIg/h serial ports, four SCIFA interfaces with 16-byte FIFOs, two RIIC buses (up to 1 Mbps), two RSPI channels, one QSPI, and a high-speed USB 2.0 host/function module with battery charging. This comprehensive set enables concurrent protocol handling - such as Modbus TCP over Ethernet, CANopen over CAN, and DFU over USB - within a single R5F571MGHDFB#30 device.

Is the R5F571MGHDFB#30 qualified for functional safety standards like IEC 60730?

Yes, the R5F571MGHDFB#30 includes multiple hardware features certified for IEC 60730 Class B compliance: oscillation-stoppage detection, hardware CRC calculation unit, independent watchdog timer (IWDTa) with window function, self-diagnostic A/D converter, register write protection, and memory protection unit (MPU). These capabilities - documented in the R5F571MGHDFB#30 datasheet - enable developers to achieve Class B certification without external safety monitors, reducing system complexity and cost.