Renesas R5F571MGGDLC#20

Overview

R5F571MGGDLC#20 from Renesas is a 32-bit RXv2 microcontroller with 240 MHz max operating frequency, 480 DMIPS performance, on-chip FPU, 4 MB code flash, 512 KB SRAM, and integrated IEEE 1588-compliant Ethernet MAC - deployed in industrial gateways requiring deterministic real-time networking and secure firmware updates.

For engineers reviewing the R5F571MGGDLC#20 datasheet, R5F571MGGDLC#20 pinout, R5F571MGGDLC#20 application, or R5F571MGGDLC#20 equivalent, key selection criteria include its 177-pin TFLGA package, dual Ethernet MAC + PTP support, high-speed USB 2.0 with battery charging, and IEC60730 safety features for certified embedded control systems.

Technical Context

The R5F571MGGDLC#20 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code density. It integrates dual Ethernet MACs (ETHERC) with IEEE 1588 PTP timing engine (EPTPC), supporting precise time synchronization in industrial automation networks.

Its memory subsystem includes 4 MB code flash with background programming, 64 KB data flash rated for 100,000 erase/write cycles, 512 KB SRAM (256 KB at zero wait states up to 120 MHz), and 32 KB ECCRAM with SEC-DED error correction - optimized for robust firmware execution and data integrity in mission-critical applications.

Key Specifications

Pinout & Package

Package: PTLG0177KA-A - 177-pin Thin Fine-Pitch Land Grid Array (TFLGA), 8 mm × 8 mm body, 0.5 mm pitch, 0.75 mm height, RoHS-compliant, lead-free.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F571MGGDLC#20, R5F571MLGDFP#30 offers identical core performance and memory but omits one Ethernet MAC and high-speed USB, making it viable for cost-sensitive single-interface designs; R5F566TEADFP#30 shifts focus to motor control with specialized timers but sacrifices IEEE 1588 timing and dual-network capability - requiring architectural re-evaluation for gateway use cases.

Availability

R5F571MGGDLC#20 is available at Aetrix Electronics and suitable for industrial gateways, smart energy hubs, automotive diagnostic tools, and medical infusion pumps requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for R5F571MGGDLC#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 Corporation is a global semiconductor leader headquartered in Tokyo, Japan, delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX71M Group is designed for high-performance industrial connectivity applications demanding real-time Ethernet, functional safety, and secure firmware execution - targeting programmable logic controllers, gateway routers, and certified medical devices.

FAQ

What is the maximum operating frequency and core architecture of the R5F571MGGDLC#20?

The R5F571MGGDLC#20 operates at a maximum frequency of 240 MHz using the 32-bit RXv2 CPU core with Harvard architecture and 5-stage pipeline. It delivers 480 DMIPS performance and includes single-precision IEEE 754 floating-point unit, two MAC units, and 32-bit multiplier with one-cycle execution - enabling high-efficiency signal processing and real-time control without external DSPs.

Does the R5F571MGGDLC#20 support IEEE 1588 Precision Time Protocol, and how is it implemented?

Yes, the R5F571MGGDLC#20 integrates a dedicated IEEE 1588-compliant PTP controller (EPTPCa) linked to both Ethernet MACs (ETHERC). It performs hardware timestamping of PTP packets with sub-100 ns resolution, supports master/slave clock roles, and enables synchronization accuracy better than ±50 ns in controlled environments - critical for time-sensitive networking in industrial automation.

What safety certifications and features does the R5F571MGGDLC#20 provide for IEC60730 compliance?

The R5F571MGGDLC#20 includes built-in IEC60730 Class B support features: oscillation-stoppage detection, hardware CRC calculator, independent watchdog timer (IWDTa), A/D converter self-diagnostic, register write protection, and memory protection unit (MPU). These reduce external component count and accelerate certification for household appliances and industrial controls requiring functional safety validation.

What is the package type and pin count of the R5F571MGGDLC#20, and what are its thermal characteristics?

The R5F571MGGDLC#20 uses the PTLG0177KA-A package: 177-pin Thin Fine-Pitch Land Grid Array, 8 mm × 8 mm body, 0.5 mm pitch, and 0.75 mm height. Its G-version rating supports –40°C to +105°C ambient operation, with thermal resistance θJA ≈ 32°C/W (JEDEC standard PCB), enabling reliable deployment in enclosed industrial enclosures without forced air cooling.

How does the R5F571MGGDLC#20 handle secure firmware updates and cryptographic operations?

The R5F571MGGDLC#20 integrates hardware accelerators for AES-128/192/256, DES/T-DES, SHA-1/224/256, and HMAC - enabling secure boot verification, encrypted OTA updates, and TLS handshake offload. Combined with 64 KB reprogrammable data flash (100,000 cycles) and trusted memory (TM) protection for code blocks 8–9, it supports end-to-end firmware integrity and confidentiality without external security ICs.