Renesas R5F571MGHDFC#30

Overview

R5F571MGHDFC#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 ECC RAM), and IEEE 1588-compliant dual Ethernet MAC - deployed in industrial gateways requiring deterministic real-time networking, secure firmware updates, and multi-protocol fieldbus coexistence.

For engineers reviewing the R5F571MGHDFC#30 datasheet, R5F571MGHDFC#30 pinout, R5F571MGHDFC#30 application, or R5F571MGHDFC#30 equivalent, this MCU supports high-speed USB 2.0 HS with battery charging, CAN FD-capable ISO 11898-1 interfaces (3 channels), quad SPI, SD host interface, and hardware AES/SHA encryption - critical for IEC 61508/IEC 60730-certified control systems demanding functional safety and secure boot.

Technical Context

The R5F571MGHDFC#30 implements the RXv2 CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code density. It integrates dual Ethernet controllers (ETHERC) with IEEE 1588 PTP timing engines (EPTPCa), each backed by dedicated EDMAC channels (3 total) and 4 KB receive/2 KB transmit FIFOs - supporting time-synchronized packet capture and cut-through forwarding between channels.

Its clock system combines external crystal support (8–24 MHz), internal HOCO (16/18/20 MHz), LOCO (240 kHz), and PLL-based ICLK scaling to 240 MHz, while peripheral clocks are independently configurable: PCLKA (up to 120 MHz) for Ethernet/USB/AES, PCLKB (up to 60 MHz) for timers/ADC/SCI, and PCLKC/PCLKD (60 MHz) for dual 12-bit S12ADC units - enabling precise domain isolation for mixed-criticality workloads.

Key Specifications

Pinout & Package

LFBGA-176 package (PLQP0176KB-A, 24 mm × 24 mm, 0.5 mm pitch) with 127 general-purpose I/O pins (19× 5-V tolerant, all with pull-up and open-drain capability), dedicated power/ground pins, and segregated analog/digital supply domains (AVCC0/AVCC1, VCC, VBATT, VSS).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F571MGHDFC#30, the R5F571MLHDFP#30 offers identical functionality in an LQFP package for simplified assembly, while the R5F572MHGDFC#30 delivers higher performance and CAN FD but requires PCB redesign and firmware adaptation - making the original ideal for established industrial gateway platforms needing proven reliability and long-term supply.

Availability

R5F571MGHDFC#30 is available at Aetrix Electronics and suitable for industrial gateways, programmable logic controllers, energy management hubs, and medical data concentrators requiring stable component supply, extended temperature operation (–40°C to +105°C), and long lifecycle support.

Supply support for R5F571MGHDFC#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 infrastructure markets.

The RX71M Group targets high-performance industrial automation applications, integrating real-time Ethernet, functional safety features, and hardware security to replace FPGA+ARM combinations in gateway and controller designs.

FAQ

What is the maximum operating frequency and DMIPS rating of the R5F571MGHDFC#30?

The R5F571MGHDFC#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 multiplier, and integrated floating-point unit compliant with IEEE-754 single-precision standard - enabling deterministic execution of complex control algorithms in real-time industrial applications.

Does the R5F571MGHDFC#30 support IEEE 1588 Precision Time Protocol?

Yes, the R5F571MGHDFC#30 includes a dedicated PTP controller (EPTPCa) tightly coupled to both Ethernet MAC modules, providing hardware timestamping for Sync, Delay_Req, Delay_Resp, and Follow_Up messages. It supports one-step and two-step clock correction modes and integrates with the MTU3/GPT timers for precise time synchronization - essential for TSN-compliant industrial networks.

What package type and pin count does the R5F571MGHDFC#30 use?

The R5F571MGHDFC#30 uses a 176-pin LFBGA package (PLQP0176KB-A) measuring 24 mm × 24 mm with 0.5 mm pitch. It provides 127 general-purpose I/O pins (19 of which are 5-V tolerant), dedicated power/ground domains, and segregated analog supply pins (AVCC0/AVCC1) - optimized for noise-sensitive mixed-signal industrial control applications.

How much on-chip memory does the R5F571MGHDFC#30 include?

The R5F571MGHDFC#30 integrates 4 MB of code flash memory (with background programming/erasing), 64 KB of data flash (rated for 100,000 write cycles), 512 KB of SRAM (256 KB accessible at full 240 MHz speed), 32 KB of ECC-protected RAM, and 8 KB of battery-backed standby RAM - providing ample space for real-time OS, application code, encrypted firmware images, and buffered sensor data.

Which communication interfaces are supported by the R5F571MGHDFC#30 for industrial networking?

The R5F571MGHDFC#30 supports dual IEEE 1588-compliant Ethernet MACs (MII/RMII), three ISO 11898-1 CAN channels (32 mailboxes each), high-speed USB 2.0 with battery charging, quad SPI, SD host interface, and multiple serial interfaces including 9× SCIg/h, 4× SCIFA, and 2× RIIC - enabling seamless integration into heterogeneous industrial networks with legacy and modern protocols.