Renesas R5F571MGDDLC#20

Overview

R5F571MGDDLC#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 dual 12-bit A/D converters (29 total channels). It targets industrial networking gateways requiring deterministic real-time control, secure firmware updates, and multi-protocol connectivity.

For engineers reviewing the R5F571MGDDLC#20 datasheet, R5F571MGDDLC#20 pinout, R5F571MGDDLC#20 application, or R5F571MGDDLC#20 equivalent, this MCU delivers verified 240-MHz deterministic execution, hardware-accelerated AES/SHA crypto, dual Ethernet with PTP timestamping, and full peripheral integration for single-chip gateway designs - eliminating external PHYs, USB transceivers, and discrete security ICs in Class I/II industrial edge nodes.

Technical Context

The R5F571MGDDLC#20 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and IEEE-754 single-precision FPU - enabling real-time motor control and sensor fusion algorithms. 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 and serial interfaces.

Peripheral integration includes dual Ethernet controllers (ETHERC) with dedicated EDMAC (3-channel DMA), EPTPC for IEEE 1588 timestamping, USBAa for high-speed USB 2.0 host/function with 8.5 KB buffer, and three CAN modules each with 32 mailboxes - all accessible via the 177-pin TFLGA package with 127 general-purpose I/O pins, 19 of which are 5-V tolerant.

Key Specifications

Pinout & Package

PTLG0177KA-A is an 8 mm × 8 mm, 0.5-mm pitch, 177-ball thin fine-pitch land grid array (TFLGA) package rated for –40°C to +105°C operation. It provides 127 general-purpose I/O pins (19 with 5-V tolerance), dedicated power/ground balls, and ball-mapped signal groups for Ethernet (MII/RMII), USB HS, CAN, QSPI, SDHI, and parallel camera interface.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F571MGDDLC#20, the R5F571MLDDFC#30 reduces memory and connectivity for lower-cost control nodes, while the RA6M5GFPMCBG#AC0 trades RXv2's deterministic timing and dual Ethernet for Arm software scalability - making R5F571MGDDLC#20 optimal for time-critical industrial gateways demanding hardware PTP and USB HS integration.

Availability

R5F571MGDDLC#20 is available at Aetrix Electronics and suitable for industrial gateways, smart energy meters, programmable logic controllers, and factory HMIs requiring stable component supply across extended product lifecycles.

Supply support for R5F571MGDDLC#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power management ICs for industrial, automotive, and infrastructure markets.

The RX71M Group is designed for high-performance industrial automation applications requiring real-time determinism, functional safety (IEC 60730), and multi-protocol connectivity - with R5F571MGDDLC#20 representing its highest-integration variant for gateway-class devices.

FAQ

What is the maximum operating frequency and DMIPS performance of the R5F571MGDDLC#20?

The R5F571MGDDLC#20 operates at a maximum frequency of 240 MHz and delivers 480 DMIPS of processing performance. This is achieved through its optimized RXv2 CPU core with 5-stage pipeline, single-cycle 32-bit multiply, and IEEE-754 floating-point unit - enabling real-time execution of complex control algorithms in industrial gateways without external DSPs.

Does the R5F571MGDDLC#20 support IEEE 1588 Precision Time Protocol?

Yes, the R5F571MGDDLC#20 includes a dedicated IEEE 1588-compliant PTP controller (EPTPC) tightly coupled to both Ethernet MACs. It provides hardware timestamping of ingress/egress frames with sub-microsecond resolution - essential for time-synchronized distributed control in power substations and motion systems.

What package type and pin count does the R5F571MGDDLC#20 use?

The R5F571MGDDLC#20 uses the PTLG0177KA-A package: a 177-ball thin fine-pitch land grid array measuring 8 mm × 8 mm with 0.5 mm pitch. It supports –40°C to +105°C operation and provides 127 general-purpose I/O pins, including 19 with 5-V tolerance - optimized for compact, thermally demanding industrial control modules.

How many Ethernet MACs and CAN controllers are integrated in the R5F571MGDDLC#20?

The R5F571MGDDLC#20 integrates two IEEE 802.3-compliant 10/100 Mbps Ethernet MACs and three ISO 11898-1 CAN controllers, each with 32 mailboxes. This enables dual-network redundancy, protocol bridging between Ethernet and CAN buses, and time-synchronized communication in industrial gateways without external PHYs or CAN transceivers.

What security features does the R5F571MGDDLC#20 provide for firmware protection?

The R5F571MGDDLC#20 includes Trusted Memory (blocks 8–9) to prevent unauthorized code read-out, hardware-accelerated AES-128/192/256, DES/TDES, and SHA-1/224/256 engines, plus register write protection and IEC 60730 self-test functions. These features enable secure boot, encrypted OTA updates, and functional safety certification in industrial IoT endpoints.