Renesas R5F571MFGGFC#V0

Overview

R5F571MFGGFC#V0 from Renesas is a 32-bit RXv2 microcontroller targeting industrial Ethernet and real-time control applications, featuring a 240 MHz CPU core delivering 480 DMIPS, on-chip single-precision IEEE-754 FPU, 4 MB code flash, 512 KB SRAM (including 32 KB ECC RAM), and integrated IEEE 1588-compliant dual Ethernet MAC.

For engineers reviewing the R5F571MFGGFC#V0 datasheet, R5F571MFGGFC#V0 pinout, R5F571MFGGFC#V0 application, or R5F571MFGGFC#V0 equivalent, key selection considerations include its 177-pin TFLGA package with 127 GPIOs, dual-channel high-speed USB 2.0 with battery charging support, 3-channel CAN, and hardware-accelerated AES/SHA encryption for IEC 60730-compliant safety-critical systems.

Technical Context

The R5F571MFGGFC#V0 implements the RXv2 CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and memory protection unit (MPU) - enabling deterministic real-time execution at 240 MHz. It integrates dual Ethernet controllers (ETHERC) with dedicated PTP hardware (EPTPCa) and 3-channel EDMAC for zero-copy frame handling.

Its clock system combines external crystal oscillation (8–24 MHz), internal HOCO (16/18/20 MHz), and PLL to generate independent clocks: 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 - ensuring precise timing isolation across subsystems.

Key Specifications

Pinout & Package

Package: PTLG0177KA-A - 177-pin Thin Fine-Pitch Land Grid Array (TFLGA), 8 mm × 8 mm, 0.5 mm pitch, 0.8 mm height, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F571MLDFB#V0 and R5F566TEBDFP#V0, the R5F571MFGGFC#V0 uniquely delivers dual IEEE 1588 Ethernet, high-speed USB with battery charging, and full 4 MB flash in an ultra-compact 8×8 mm TFLGA - making it the only option for space-constrained, time-critical industrial edge nodes requiring multi-protocol convergence.

Availability

R5F571MFGGFC#V0 is available at Aetrix Electronics and suitable for industrial Ethernet gateways, programmable logic controllers, smart energy concentrators, and medical infusion pump controllers requiring stable component supply across extended product lifecycles.

Supply support for R5F571MFGGFC#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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX71M Group - including the R5F571MFGGFC#V0 - was designed specifically for industrial automation systems requiring deterministic real-time performance, functional safety certification (IEC 60730), and integrated time-sensitive networking capabilities.

FAQ

What is the maximum operating frequency and CPU architecture of the R5F571MFGGFC#V0?

The R5F571MFGGFC#V0 features a 32-bit RXv2 CPU core operating at up to 240 MHz, achieving 480 DMIPS performance. Its CISC Harvard architecture includes a 5-stage pipeline, variable-length instructions, and memory protection unit (MPU) - all confirmed in the official R01DS0249EJ0120 datasheet. This architecture enables deterministic real-time execution critical for industrial control applications using the R5F571MFGGFC#V0.

Does the R5F571MFGGFC#V0 support IEEE 1588 Precision Time Protocol hardware acceleration?

Yes, the R5F571MFGGFC#V0 integrates a dedicated PTP controller (EPTPCa) compliant with IEEE 1588-2008, enabling hardware timestamping of Ethernet frames with sub-microsecond accuracy. This feature is explicitly documented in Section 1.1 of the R01DS0249EJ0120 datasheet and is active only on 176-/177-pin variants like the R5F571MFGGFC#V0 - supporting time-sensitive networking in industrial automation systems.

What package type and pin count does the R5F571MFGGFC#V0 use?

The R5F571MFGGFC#V0 uses the PTLG0177KA-A package: a 177-pin Thin Fine-Pitch Land Grid Array (TFLGA) measuring 8 mm × 8 mm with 0.5 mm pitch. This is confirmed in the "Package Dimensions" section of the R01DS0249EJ0120 datasheet and distinguishes it from smaller-pin-count RX71M variants. The compact footprint makes the R5F571MFGGFC#V0 ideal for space-constrained industrial edge devices.

How much on-chip memory does the R5F571MFGGFC#V0 include?

The R5F571MFGGFC#V0 includes 4 MB of code flash memory (with no wait states up to 120 MHz), 512 KB of general-purpose SRAM (256 KB accessible at full 240 MHz speed), 64 KB of reprogrammable data flash (rated for 100,000 erase/write cycles), and 32 KB of ECC-protected RAM. These values are specified in Table 1.1 of the R01DS0249EJ0120 datasheet and define the R5F571MFGGFC#V0's capability for complex protocol stacks and real-time data buffering.

Is the R5F571MFGGFC#V0 qualified for industrial temperature range operation?

Yes, the R5F571MFGGFC#V0 is rated for operation from –40°C to +105°C (G-version), as stated in the "Operating temp. range" section of the R01DS0249EJ0120 datasheet. This extended temperature grade ensures reliable performance in demanding environments such as factory-floor controllers, motor drives, and outdoor energy infrastructure - a key specification differentiating the R5F571MFGGFC#V0 from commercial-grade MCUs.