Renesas R5F571MLHDFP#30

Overview

R5F571MLHDFP#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 - designed for industrial gateway and real-time control applications requiring deterministic timing, secure connectivity, and high peripheral integration.

For engineers reviewing the R5F571MLHDFP#30 datasheet, R5F571MLHDFP#30 pinout, R5F571MLHDFP#30 application, or R5F571MLHDFP#30 equivalent, key selection considerations include its 176-pin LFBGA package (PLQP0176KB-A), dual-channel Ethernet with PTP support, high-speed USB 2.0 host/function with battery charging, CAN v2.0B (3 channels), and 12-bit dual A/D converters with self-diagnostic capability.

Technical Context

The R5F571MLHDFP#30 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code density. It integrates dual independent clock domains: ICLK up to 240 MHz for CPU execution and PCLKA up to 120 MHz for Ethernet, USB, and AES peripherals - enabling concurrent high-bandwidth data movement and real-time processing without contention.

Its peripheral subsystem includes dedicated hardware accelerators: EXDMAC (2 channels) for offloading memory-to-peripheral transfers, ELC (Event Link Controller) enabling 119 internal event interlinks without CPU intervention, and MTU3a/GPTA timers supporting complementary PWM with programmable dead-time generation - critical for motor control and power conversion systems requiring precise phase alignment and fault-safe waveform shaping.

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, exposed thermal pad (EPAD) on underside for improved thermal performance in continuous operation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with R5F571MLHDFP#10, the #30 offers 1.5 MB additional flash for complex protocol stacks and OTA update partitions; versus R5F571MDDFK#30, it delivers dual Ethernet, USB HS, and 16 more GPIOs - making it the only RX71M option meeting full IEC61850 substation automation requirements.

Availability

R5F571MLHDFP#30 is available at Aetrix Electronics and suitable for industrial gateways, motor drives, medical diagnostics, secure IIoT nodes, and real-time test equipment requiring stable component supply across extended product lifecycles.

Supply support for R5F571MLHDFP#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 automotive, industrial, and IoT markets.

The RX71M Group is engineered for real-time industrial connectivity - integrating IEEE 1588 Ethernet, high-speed USB, CAN FD-ready peripherals, and functional safety features to serve as the central controller in smart factories and energy infrastructure.

FAQ

What is the maximum operating frequency and DMIPS rating of the R5F571MLHDFP#30?

The R5F571MLHDFP#30 operates at a maximum frequency of 240 MHz and delivers 480 DMIPS (Dhrystone MIPS) performance. This is achieved through its RXv2 CPU core with 5-stage pipeline, single-cycle 32-bit multiply, and dual MAC units. The R5F571MLHDFP#30 sustains this performance across its full voltage range (2.7–3.6 V) and temperature range (–40°C to +85°C), making it suitable for demanding real-time control tasks in industrial environments.

Does the R5F571MLHDFP#30 support IEEE 1588 Precision Time Protocol, and how is it implemented?

Yes, the R5F571MLHDFP#30 includes hardware-accelerated IEEE 1588 PTP support via the EPTPC (Precision Time Protocol Controller) block, tightly coupled to its dual Ethernet MAC. The R5F571MLHDFP#30 performs frame-level timestamping in hardware with sub-microsecond accuracy, supports PTP message parsing, and enables synchronization of distributed clocks across industrial Ethernet networks - essential for coordinated motion control and time-stamped data acquisition.

What are the flash and RAM capacities of the R5F571MLHDFP#30, and how are they allocated?

The R5F571MLHDFP#30 integrates 4 MB of on-chip code flash memory (with zero wait states up to 120 MHz), 512 KB of general-purpose SRAM (256 KB accessible at full 240 MHz speed), 64 KB of reprogrammable data flash (rated for 100,000 erase/write cycles), and 32 KB of ECC-protected RAM. The R5F571MLHDFP#30 also includes 8 KB of standby RAM backed by VBATT - enabling RTC and alarm functions during deep software standby mode.

Which communication interfaces does the R5F571MLHDFP#30 support for industrial networking?

The R5F571MLHDFP#30 supports dual IEEE 802.3 10/100 Mbps Ethernet MACs with RMII/MII and IEEE 1588 hardware timestamping, three CAN v2.0B channels (32 mailboxes each), nine SCI/SCIg/h serial channels, four SCIFA interfaces with 16-byte FIFOs, two I²C buses (up to 1 Mbps), two RSPI ports, one QSPI, and high-speed USB 2.0 host/function with battery charging. This comprehensive suite enables multi-protocol industrial gateways using the R5F571MLHDFP#30 as a single-chip solution.

Is the R5F571MLHDFP#30 qualified for functional safety standards such as IEC60730?

Yes, the R5F571MLHDFP#30 includes multiple hardware features certified for IEC60730 Class B compliance: oscillation-stop detection, independent watchdog timer (IWDTa) with window function, CRC calculation unit, self-diagnostic A/D converter, register write protection, and memory protection unit (MPU). These capabilities allow the R5F571MLHDFP#30 to meet safety requirements for household appliances, industrial controls, and medical auxiliary equipment without external safety monitors.