Renesas R5F571MJGGFP#V0

Overview

R5F571MJGGFP#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), dual 12-bit ADCs (29 total channels), IEEE 1588-compliant dual Ethernet MAC, high-speed USB 2.0 with battery charging, and CAN v2.0B - deployed in industrial gateways requiring real-time protocol bridging and secure edge processing.

For engineers reviewing the R5F571MJGGFP#V0 datasheet, R5F571MJGGFP#V0 pinout, R5F571MJGGFP#V0 application, or R5F571MJGGFP#V0 equivalent, this page delivers verified specifications, package mapping to PLQP0176KB-A (176-pin LQFP), confirmed peripheral channel counts for Ethernet/USB/CAN, and two validated alternative MCUs with documented functional and packaging differences.

Technical Context

The R5F571MJGGFP#V0 implements the RXv2 CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code density. It supports little-endian data and instruction layout, with register-based addressing and 75 base instructions plus 11 FPU and 23 DSP extensions.

Its clock system combines external crystal (8–24 MHz) and internal PLL, generating ICLK up to 240 MHz while assigning PCLKA (≤120 MHz) to Ethernet, USB, and AES, and PCLKB (≤60 MHz) to timers, ADCs, and serial interfaces - enabling deterministic real-time scheduling across mixed-criticality peripherals.

Key Specifications

Pinout & Package

Package: PLQP0176KB-A, 176-pin LQFP (24 × 24 mm, 0.5 mm pitch), -40°C to +105°C (G-version), 2.7–3.6 V supply.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F571MLGJFP#V0, the R5F571MJGGFP#V0 offers proven LQFP manufacturability and thermal margin for industrial ambient; versus R5F566TEADFP#30, it delivers 50% higher compute throughput, dual PTP-capable Ethernet, and battery-charging USB - essential for converged gateway architectures.

Availability

R5F571MJGGFP#V0 is available at Aetrix Electronics and suitable for industrial gateways, smart energy meters, factory PLCs, and secure edge IoT gateways requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability under extended temperature operation.

Supply support for R5F571MJGGFP#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 enterprise applications.

The RX71M Group targets high-performance industrial automation and networking applications, integrating real-time Ethernet, security, and analog capabilities into a single chip to replace multi-chip control subsystems.

FAQ

What is the maximum operating frequency and core architecture of the R5F571MJGGFP#V0?

The R5F571MJGGFP#V0 operates at a maximum frequency of 240 MHz using the 32-bit RXv2 CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions. It delivers 480 DMIPS and includes single-precision IEEE-754 floating-point unit. This performance level enables deterministic real-time control in applications such as industrial gateways and motor drives where low-latency interrupt response and high computational throughput are required. The R5F571MJGGFP#V0's architecture supports ultra-compact code density and efficient peripheral handling via its Event Link Controller.

Does the R5F571MJGGFP#V0 support IEEE 1588 Precision Time Protocol, and how is it implemented?

Yes, the R5F571MJGGFP#V0 includes a dedicated PTP controller (EPTPCa) compliant with IEEE 1588-2008, tightly coupled to its dual Ethernet MAC modules. Hardware timestamping occurs at the PHY boundary with sub-100 ns resolution, and the controller handles sync, delay_req, and follow_up message processing in hardware - offloading the CPU and ensuring deterministic time synchronization. This implementation is essential for time-critical industrial applications like synchronized motion control and distributed I/O systems. The R5F571MJGGFP#V0's PTP engine operates independently of software stack overhead.

What are the memory resources available on the R5F571MJGGFP#V0?

The R5F571MJGGFP#V0 integrates 4 MB of on-chip code flash memory (with no wait states up to 120 MHz), 512 KB of SRAM (256 KB accessible at full 240 MHz speed), 64 KB of reprogrammable data flash (rated for 100,000 write/erase cycles), and 32 KB of ECC-protected RAM with SEC-DED error correction. Additionally, it provides 8 KB of standby RAM backed by VBATT. These memory resources allow complex protocol stacks, secure boot partitions, and real-time data buffers - all within a single die. The R5F571MJGGFP#V0's memory map supports concurrent background programming and robust fault containment.

Which communication interfaces does the R5F571MJGGFP#V0 support for industrial networking?

The R5F571MJGGFP#V0 supports dual IEEE 1588-compliant Ethernet MACs (MII/RMII), high-speed USB 2.0 with battery charging (480 Mbps), three CAN 2.0B modules (32 mailboxes each), nine SCIg/h channels, four SCIFA interfaces with 16-byte FIFOs, two RIIC buses (up to 1 Mbps), quad SPI, SD host interface, and MMCIF. This comprehensive suite enables seamless integration into heterogeneous industrial networks - for example, bridging EtherCAT over one Ethernet port while communicating with legacy field devices via CAN and USB-hosted configuration tools. All interfaces are directly supported by the R5F571MJGGFP#V0's peripheral drivers and middleware stacks.

Is the R5F571MJGGFP#V0 suitable for functional safety applications like IEC60730 compliance?

Yes, the R5F571MJGGFP#V0 includes multiple hardware features certified for IEC60730 Class B compliance: oscillation-stoppage detection, built-in CRC calculation unit, independent watchdog timer (IWDTa) with window function, self-diagnostic A/D converter, register write protection, and memory protection unit (MPU). These features enable systematic fault detection and mitigation without software-only reliance. Renesas provides certified safety libraries and documentation specifically for the R5F571MJGGFP#V0, streamlining certification efforts for household appliances and industrial controls. The R5F571MJGGFP#V0's safety architecture is integral to its design, not an afterthought.