Renesas R5F571MFHGFC#V0

Overview

R5F571MFHGFC#V0 from Renesas is a 32-bit RXv2 core microcontroller operating at up to 240 MHz (480 DMIPS), featuring 4 MB on-chip code flash, 512 KB SRAM, IEEE 1588-compliant dual Ethernet MAC, high-speed USB 2.0 with battery charging, CAN v2.0B (3 channels), and 12-bit A/D converters (29 total channels). It targets industrial automation controllers requiring deterministic real-time networking, secure firmware updates, and mixed-signal edge processing.

For engineers reviewing the R5F571MFHGFC#V0 datasheet, R5F571MFHGFC#V0 pinout, R5F571MFHGFC#V0 application, or R5F571MFHGFC#V0 equivalent, key selection criteria include IEEE 1588 PTP timestamping accuracy, dual Ethernet channel isolation, USB 2.0 HS + FS coexistence, 240-MHz deterministic interrupt latency, and IEC 60730 safety support including CRC, oscillation-stop detection, and A/D self-diagnosis.

Technical Context

The R5F571MFHGFC#V0 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code density. It integrates dual independent Ethernet MACs with dedicated EDMAC (3-channel) and EPTPC (IEEE 1588 PTP) blocks for hardware-accelerated timestamping and cut-through frame forwarding between channels.

Its clock system supports simultaneous operation at multiple domains: ICLK up to 240 MHz for CPU execution, PCLKA up to 120 MHz for Ethernet/USB/AES, and PCLKB up to 60 MHz for timers/peripherals. The device includes three independent A/D units (S12AD0: 8ch, S12AD1: 21ch) with per-channel sampling time control and digital comparison logic for autonomous analog monitoring.

Key Specifications

Pinout & Package

Package: PLQP0176KB-A (176-pin LQFP, 24 × 24 mm, 0.5-mm pitch). Pin count and peripheral availability match 176-pin configuration per RX71M Group specification Table 1.2.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F571MFHGFC#V0, the R5F571MLHDFC#V0 trades USB 2.0 HS and flash capacity for lower unit cost, while the R5F566TEHDFC#V0 shifts focus from network timing precision to motor control peripherals - making R5F571MFHGFC#V0 uniquely balanced for time-sensitive industrial gateways requiring both dual Ethernet and secure field update capability.

Availability

R5F571MFHGFC#V0 is available at Aetrix Electronics and suitable for industrial PLC controllers, smart energy gateways, factory HMIs, medical infusion pumps, and factory automation I/O modules requiring stable component supply across extended product lifecycles.

Supply support for R5F571MFHGFC#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, and power solutions for industrial, automotive, and infrastructure markets.

The RX71M Group is designed for industrial automation and networking applications demanding real-time determinism, functional safety, and integrated high-speed connectivity - with R5F571MFHGFC#V0 representing its highest integration variant for gateway-class devices.

FAQ

What is the maximum operating frequency and DMIPS rating of the R5F571MFHGFC#V0?

The R5F571MFHGFC#V0 operates at a maximum frequency of 240 MHz and delivers 480 DMIPS performance. This is achieved through the RXv2 CPU core's 5-stage pipeline, single-cycle 32-bit multiply, and Harvard architecture. The R5F571MFHGFC#V0 maintains this performance across its full temperature range (–40°C to +105°C) with appropriate thermal design and power supply regulation.

Does the R5F571MFHGFC#V0 support IEEE 1588 Precision Time Protocol hardware timestamping?

Yes, the R5F571MFHGFC#V0 includes a dedicated EPTPC (Ethernet PTP Controller) block compliant with IEEE 1588-2008. It provides hardware timestamping for both Ethernet channels with sub-microsecond resolution, supporting one-step and two-step clock synchronization modes. This capability is integral to the R5F571MFHGFC#V0's role in time-sensitive industrial networks like TSN-aware PLCs and motion controllers.

How many analog-to-digital converter channels does the R5F571MFHGFC#V0 provide, and what are their key characteristics?

The R5F571MFHGFC#V0 integrates two independent 12-bit A/D converter units: S12AD0 with 8 channels and S12AD1 with 21 channels, totaling 29 inputs. Conversion time is 0.48 µs per channel at 12-bit resolution, with per-channel sampling time control and digital comparison logic. Both units support self-diagnostic functions required for IEC 60730 Class B compliance, which is essential for safety-critical use in the R5F571MFHGFC#V0.

What USB capabilities are integrated into the R5F571MFHGFC#V0?

The R5F571MFHGFC#V0 integrates two USB modules: a full-speed USB 2.0 module (USBb) and a high-speed USB 2.0 module with battery charging (USBAa). The USBAa module supports 480 Mbps operation, OTG functionality, and USB Battery Charging 1.2 detection - all with an integrated PHY, eliminating external transceivers. This dual-USB capability is exclusive to 176-/177-pin RX71M variants like the R5F571MFHGFC#V0.

What safety certifications and built-in features does the R5F571MFHGFC#V0 support for industrial applications?

The R5F571MFHGFC#V0 includes hardware features aligned with IEC 60730 Class B requirements: oscillation-stoppage detection, hardware CRC accelerator, windowed independent watchdog timer (IWDTa), A/D converter self-diagnostic function, and register write protection. These features reduce software validation effort and enable robust fault detection - critical for industrial control systems where the R5F571MFHGFC#V0 serves as the primary safety-monitoring MCU.