Renesas R5F571MFHGFB#V0

Overview

R5F571MFHGFB#V0 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 on-chip code flash, 512 KB SRAM (including 32 KB ECC RAM), and supports IEEE 1588-compliant Ethernet MAC, high-speed USB 2.0 with battery charging, CAN, and dual 12-bit A/D converters - deployed in industrial gateways requiring deterministic real-time control and secure connectivity.

For engineers reviewing the R5F571MFHGFB#V0 datasheet, R5F571MFHGFB#V0 pinout, R5F571MFHGFB#V0 application, or R5F571MFHGFB#V0 equivalent, key selection criteria include its 177-pin TFLGA package, 240-MHz real-time performance with MPU and IEC60730 safety features, dual Ethernet MAC support, and hardware AES/SHA encryption for edge-node security compliance.

Technical Context

The R5F571MFHGFB#V0 implements the RXv2 CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and dual multiply-accumulate units - enabling deterministic execution for motor control and protocol stacks. Its clock system combines external crystal input (8–24 MHz), internal PLL, and independent HOCO/LOCO oscillators, with configurable peripheral clocks (PCLKA up to 120 MHz, PCLKB up to 60 MHz) to optimize timing-critical peripherals like Ethernet MAC and USB HS.

It features three DMA controllers (DMACAa: 8 channels; EXDMACa: 2 channels; EDMACa: 3 dedicated to Ethernet), event-linking capability across 119 internal signals, and hardware-accelerated cryptographic engines (AES-128/192/256, SHA-1/224/256, HMAC) - all coordinated via a centralized interrupt controller supporting 298 sources and 16 priority levels for deterministic response in multi-protocol embedded systems.

Key Specifications

Pinout & Package

Package: PTLG0177KA-A - 8 mm × 8 mm, 0.5-mm pitch, 177-pin TFLGA with exposed thermal pad. Pinout validated per Renesas R01DS0249EJ0120 Rev.1.20, pages 112–127 (pin function mapping for 177-pin variant).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F571MLHDFB#V0 and R5F566TEADFP#30, the R5F571MFHGFB#V0 uniquely combines dual IEEE 1588 Ethernet, high-speed USB 2.0 with battery charging, and full hardware crypto - making it the only RX71M variant qualified for time-synchronized industrial IoT gateways requiring both deterministic control and secure cloud connectivity.

Availability

R5F571MFHGFB#V0 is available at Aetrix Electronics and suitable for industrial gateways, smart energy meters, PLC I/O modules, and factory automation edge controllers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F571MFHGFB#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 specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.

The RX71M Group is designed for high-performance industrial IoT edge nodes requiring real-time determinism, functional safety, and secure connectivity - targeting applications demanding IEEE 1588 time synchronization, dual Ethernet, and hardware-accelerated cryptography.

FAQ

What is the maximum operating frequency and core architecture of the R5F571MFHGFB#V0?

The R5F571MFHGFB#V0 operates at a maximum frequency of 240 MHz using the 32-bit RXv2 CPU core with 5-stage pipeline and variable-length instruction set. It delivers 480 DMIPS and includes single-precision IEEE-754 floating-point unit, two MAC units, and 32-bit multiplier - enabling high-efficiency execution of real-time control and signal processing tasks in the R5F571MFHGFB#V0.

Does the R5F571MFHGFB#V0 support IEEE 1588 Precision Time Protocol?

Yes, the R5F571MFHGFB#V0 integrates a dedicated IEEE 1588-compliant PTP controller (EPTPCa) linked to its dual Ethernet MAC modules. This hardware accelerator provides sub-microsecond timestamping accuracy for time-sensitive networking applications - a core capability confirmed in the R5F571MFHGFB#V0 datasheet section 1.1 and functional specification tables.

What package type and pin count does the R5F571MFHGFB#V0 use?

The R5F571MFHGFB#V0 uses the PTLG0177KA-A package: an 8 mm × 8 mm, 0.5-mm pitch, 177-pin TFLGA with exposed thermal pad. This package is explicitly assigned to the "177-pin products" variant in the RX71M datasheet (R01DS0249EJ0120 Rev.1.20, page 1), confirming its mechanical and thermal suitability for compact industrial edge devices.

How much on-chip memory does the R5F571MFHGFB#V0 include?

The R5F571MFHGFB#V0 integrates 4 MB of code flash memory (with no-wait access up to 120 MHz), 64 KB of reprogrammable data flash (rated for 100,000 erase cycles), 512 KB of general-purpose SRAM (256 KB accessible at 240 MHz), 32 KB of ECC-protected RAM, and 8 KB of standby RAM - all verified in Table 1.1 of the official R5F571MFHGFB#V0 datasheet.

Which communication interfaces are supported by the R5F571MFHGFB#V0?

The R5F571MFHGFB#V0 supports dual IEEE 1588 Ethernet MAC (MII/RMII), high-speed USB 2.0 host/function with battery charging (USBAa), three CAN 2.0B channels, nine SCI/SCIg/SCIh interfaces, four SCIFA with 16-byte FIFOs, two I2C (RIICa) interfaces up to 1 Mbps, QSPI, SDHI, MMCIF, and parallel data capture (PDC) - all documented in the R5F571MFHGFB#V0 datasheet sections 1.1 and Features list.