Renesas R5F571MFGDLC#20

Overview

R5F571MFGDLC#20 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 (including 32 KB ECC RAM), IEEE 1588-compliant dual Ethernet MAC, high-speed USB 2.0 with battery charging, CAN v2.0B (3 channels), and 12-bit A/D converter (29 total channels). It targets industrial automation gateways requiring deterministic real-time networking and secure firmware execution.

For engineers reviewing the R5F571MFGDLC#20 datasheet, R5F571MFGDLC#20 pinout, R5F571MFGDLC#20 application, or R5F571MFGDLC#20 equivalent, key selection criteria include dual Ethernet + PTP timing accuracy, 240-MHz real-time processing headroom, integrated AES/SHA crypto acceleration, 177-pin TFLGA package thermal performance, and IEC 60730 safety feature set including self-diagnostic A/D and oscillation-stop detection.

Technical Context

The R5F571MFGDLC#20 implements the RXv2 CPU core with single-precision IEEE-754 FPU, two MAC units, and 32-bit multiplier (1-cycle) for control-loop computation. Its clock system supports independent domain scaling: ICLK up to 240 MHz for CPU, PCLKA up to 120 MHz for Ethernet/USB/AES, and PCLKB up to 60 MHz for timers/peripherals.

It integrates dual Ethernet controllers (ETHERC) with dedicated EPTPC hardware for IEEE 1588 timestamping and EDMAC DMA channels (3 total), plus USBAa supporting HS USB 2.0 (480 Mbps) with 8.5 KB buffer - features exclusive to 176-/177-pin variants per datasheet Table 1.2. The 177-pin TFLGA package enables full peripheral access including parallel data capture (PDC) and SDHI.

Key Specifications

Pinout & Package

Package: PTLG0177KA-A, 177-pin TFLGA (8 × 8 mm, 0.5 mm pitch), –40°C to +105°C (G-version).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F571MFGDLC#20, R5F571MLDFC#20 trades USB 2.0 HS and dual Ethernet for lower cost and smaller footprint, while R5F572MHDFC#20 shifts focus toward graphical UI and advanced crypto at the expense of deterministic PTP timing - making R5F571MFGDLC#20 optimal for time-critical industrial networking.

Availability

R5F571MFGDLC#20 is available at Aetrix Electronics and suitable for industrial Ethernet gateways, smart energy meters, motor drive controllers, and building automation routers requiring stable component supply across extended product lifecycles.

Supply support for R5F571MFGDLC#20 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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX71M Group targets high-performance industrial applications demanding real-time determinism, functional safety, and multi-protocol connectivity - with R5F571MFGDLC#20 optimized for time-sensitive networking and secure edge processing.

FAQ

What is the maximum operating frequency and DMIPS rating of the R5F571MFGDLC#20?

The R5F571MFGDLC#20 operates at a maximum frequency of 240 MHz and delivers 480 DMIPS performance. This is achieved through its RXv2 CPU core with five-stage pipeline, single-cycle 32-bit multiplier, and integrated single-precision IEEE-754 floating-point unit - enabling real-time execution of complex control algorithms without external coprocessors.

Does the R5F571MFGDLC#20 support IEEE 1588 Precision Time Protocol hardware timestamping?

Yes, the R5F571MFGDLC#20 includes a dedicated EPTPC (Precision Time Protocol Controller) block connected to both Ethernet MACs. This hardware timestamping unit captures transmit/receive packet timestamps with sub-100 ns resolution, eliminating software-induced jitter and meeting IEEE 1588-2008 Class C requirements for industrial time-sensitive networking.

What package type and pin count does the R5F571MFGDLC#20 use?

The R5F571MFGDLC#20 uses the PTLG0177KA-A package: a 177-pin TFLGA (Thin Fine-Pitch Land Grid Array) measuring 8 mm × 8 mm with 0.5 mm pitch. This compact, thermally efficient package supports all RX71M peripherals including dual Ethernet, high-speed USB 2.0, and parallel data capture - distinguishing it from smaller-footprint variants.

How many Ethernet MAC channels and CAN modules does the R5F571MFGDLC#20 integrate?

The R5F571MFGDLC#20 integrates two IEEE 802.3-compliant Ethernet MAC channels with MII/RMII interfaces and three independent CAN modules compliant with ISO 11898-1. Each CAN channel supports 32 mailboxes, enabling robust multi-node fieldbus communication in industrial automation and automotive diagnostic applications.

What safety and security features are built into the R5F571MFGDLC#20 for industrial applications?

The R5F571MFGDLC#20 includes IEC 60730 Class B compliance features such as oscillation-stop detection, hardware CRC calculation, windowed independent watchdog timer (IWDTa), and A/D converter self-diagnostic functions. Security features include AES-128/192/256, SHA-1/224/256, and HMAC acceleration - enabling secure boot, encrypted firmware updates, and trusted execution environments.