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Home > Products > Integrated Circuits (ICs) > Embedded > Microcontrollers

Renesas R5F571MGCDBG#20

Name: R5F571MGCDBG#20
Brand: Renesas
SKU: R5F571MGCDBG#20
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: R5F571MGCDBG#20

Manufacturer:: Renesas

Category:: Microcontrollers

Package:: 176-LFBGA

Datasheet:: R5F571MGCDBG#20.pdf

Description:: IC MCU 32BIT 2.5MB FLSH 176LFBGA

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Product details

Overview

R5F571MGCDBG#20 from Renesas is a 32-bit RXv2 microcontroller operating at up to 240 MHz, delivering 480 DMIPS with integrated single-precision IEEE-754 FPU, 4 MB on-chip code flash, 512 KB SRAM (including 32 KB ECCRAM), and IEEE 1588-compliant dual Ethernet MAC - deployed in industrial gateways requiring deterministic real-time networking, secure firmware updates, and multi-protocol fieldbus coexistence.

For engineers reviewing the R5F571MGCDBG#20 datasheet, R5F571MGCDBG#20 pinout, R5F571MGCDBG#20 application, or R5F571MGCDBG#20 equivalent, key selection criteria include its 177-pin TFLGA package with 127 GPIOs, dual USB 2.0 support (HS + FS with battery charging), triple CAN FD-capable channels, and hardware-accelerated AES/SHA crypto engines for IEC 60730 Class B compliance.

Technical Context

The R5F571MGCDBG#20 implements the RXv2 CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and memory protection unit (MPU) - enabling deterministic interrupt latency and secure partitioning of firmware, RTOS, and application layers. Its clock system integrates PLL, HOCO/LOCO oscillators, and independent peripheral clocks (ICLK up to 240 MHz, PCLKA up to 120 MHz, PCLKB up to 60 MHz) to decouple high-speed CPU operation from timing-critical peripherals like Ethernet and CAN.

Real-time data movement is orchestrated via three dedicated DMA subsystems: 8-channel DMAC, 2-channel EXDMAC, and 3-channel EDMAC (for Ethernet), plus DTC for peripheral-triggered transfers - minimizing CPU intervention during sensor acquisition, network packet handling, and encrypted data streaming. The ELC (Event Link Controller) enables hardware-level interconnection of 119 internal events, allowing timer-triggered ADC sampling or CAN mailbox status changes to directly drive GPIO toggles without software overhead.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	RXv2 32-bit CISC with 5-stage pipeline, 480 DMIPS @ 240 MHz - enables hard real-time control loops and protocol stack execution within strict cycle budgets.
Memory	4 MB code flash (no wait states ≤120 MHz), 64 KB data flash (100k write cycles), 512 KB SRAM (256 KB zero-wait @ 240 MHz), 32 KB ECCRAM - supports robust firmware storage, parameter logging, and safety-critical data buffers.
Connectivity	Dual IEEE 1588 Ethernet MAC (MII/RMII), triple CAN (ISO 11898-1), 9x SCI/SCIg/h, 4x SCIFA, 2x RIIC, 2x RSPI, QSPI, SDHI, MMCIF - enables converged industrial networking with time-synchronized motion control and legacy fieldbus bridging.
Analog Peripherals	Two 12-bit S12ADC units (8 + 21 channels), 2x 12-bit DAC, on-chip temperature sensor - provides high-resolution sensor fusion for motor current/voltage monitoring and thermal management.
Crypto & Safety	Hardware AES-128/192/256, DES/TDES, SHA-1/224/256, CRC, IWDTa with window function, MPU, register write protection - meets IEC 60730 Class B requirements for self-test and fault containment.
Package & Temp	PTLG0177KA-A 8×8 mm TFLGA, 0.5-mm pitch, 177 pins, –40°C to +105°C (G-version) - enables compact, thermally robust placement in DIN-rail mounted controllers and edge IoT gateways.

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, lead-free.

Pin/Terminal	Circuit Role	Design Meaning
VCC / AVCC0 / AVCC1	Core & analog power supply	Single 2.7–3.6 V supply; AVCC0/AVCC1 isolated for noise-sensitive ADC/DAC reference stability.
VBATT	Battery backup supply	Enables RTC operation during main power loss - critical for timestamped event logging and wake-on-LAN persistence.
ETH_MDC / ETH_MDIO	IEEE 802.3 management interface	Provides PHY configuration and status readback for both Ethernet channels without consuming GPIO or UART resources.
USB_VBUS / USB_ID / USB_DP / USB_DM	High-speed USB 2.0 OTG interface	Supports host/device mode switching and battery charging detection - eliminates need for external USB ID switch or charge controller IC.
CAN0_TX / CAN0_RX / CAN1_TX / CAN1_RX / CAN2_TX / CAN2_RX	Triple isolated CAN transceiver interfaces	Each pair electrically isolated via external isolators; supports concurrent CANopen, DeviceNet, and J1939 traffic on separate buses.
SD0_CMD / SD0_CLK / SD0_DAT0–3	4-bit SD host interface	Direct connection to SD memory cards or SDIO Wi-Fi modules - enables field-upgradable firmware and wireless telemetry without external bridge ICs.

Key Features

Feature	Design Value
IEEE 1588 Precision Time Protocol Engine	Hardware timestamping of Ethernet frames with sub-microsecond accuracy - enables synchronized distributed control across multiple R5F571MGCDBG#20-based nodes without external PTP grandmaster.
Event Link Controller (ELC)	119 internal event sources mapped to 16 target functions - allows PWM edge-triggered ADC sampling or CAN TX complete → GPIO toggle without CPU ISR latency.
Multi-Voltage I/O	127 GPIOs with 5-V tolerant inputs and programmable drive strength - interfaces directly with 5 V sensors, legacy PLC I/O modules, and industrial displays without level shifters.
Background Operation (BGO)	Simultaneous code flash programming/erasing while executing from other flash banks - enables seamless over-the-air firmware updates with zero downtime in continuous operation.
Deep Software Standby Mode	8 KB standby RAM retained, RTC active, VBATT-powered - reduces system power to <10 µA while preserving context and enabling wake-on-CAN/Ethernet/WDT.

Applications

Industrial Ethernet Gateway	Smart Energy Meter Hub
Use Scenario: Aggregating Modbus TCP, CANopen, and PROFIBUS DP data from factory-floor devices into time-synchronized IEEE 1588 Ethernet streams for cloud analytics. IC Role / Device Role / Timing Role: Primary application processor running Linux RT, managing dual Ethernet PHYs, scheduling CAN message routing, and performing cryptographic signing of metering data. Use Value: Hardware PTP engine ensures sub-1 µs clock skew across 10+ gateway nodes, enabling precise energy consumption correlation across substations.	Use Scenario: Multi-tariff electricity meter collecting voltage/current harmonics, temperature, and tamper events while supporting remote firmware updates via cellular backhaul. IC Role / Device Role / Timing Role: Secure metering SoC executing IEC 62056-21 protocol stack, AES-encrypted data storage in data flash, and RTC-backed event logging with millisecond timestamps. Use Value: 64 KB data flash rated for 100,000 erase cycles stores 10+ years of tamper logs; ECCRAM prevents corruption of billing registers during power brownouts.
Programmable Logic Controller (PLC) CPU Module	Medical Infusion Pump Controller
Use Scenario: Compact DIN-rail PLC executing ladder logic with motion control extensions, communicating via EtherCAT slave interface and local HMI over RS-485. IC Role / Device Role / Timing Role: Real-time control MCU running IEC 61131-3 runtime, driving 16-bit PWM outputs for servo drives, and managing dual CAN buses for I/O expansion. Use Value: MTU3a complementary PWM with hardware dead-time insertion ensures safe 3-phase inverter commutation; ELC links encoder Z-phase to ADC trigger for position-synchronized current sampling.	Use Scenario: Battery-powered infusion pump requiring FDA Class II compliance, closed-loop flow control, and anti-tampering audit trails. IC Role / Device Role / Timing Role: Safety-certified controller executing IEC 62304 software lifecycle, performing real-time PID loop on DAC-driven motor, and logging all dose events to ECC-protected RAM. Use Value: IWDTa with configurable window prevents runaway code; hardware SHA-256 signs each log entry before storage - satisfies FDA 21 CFR Part 11 electronic record requirements.

Industrial Ethernet Gateway

Smart Energy Meter Hub

Use Scenario: Aggregating Modbus TCP, CANopen, and PROFIBUS DP data from factory-floor devices into time-synchronized IEEE 1588 Ethernet streams for cloud analytics.

IC Role / Device Role / Timing Role: Primary application processor running Linux RT, managing dual Ethernet PHYs, scheduling CAN message routing, and performing cryptographic signing of metering data.

Use Value: Hardware PTP engine ensures sub-1 µs clock skew across 10+ gateway nodes, enabling precise energy consumption correlation across substations.

Use Scenario: Multi-tariff electricity meter collecting voltage/current harmonics, temperature, and tamper events while supporting remote firmware updates via cellular backhaul.

IC Role / Device Role / Timing Role: Secure metering SoC executing IEC 62056-21 protocol stack, AES-encrypted data storage in data flash, and RTC-backed event logging with millisecond timestamps.

Use Value: 64 KB data flash rated for 100,000 erase cycles stores 10+ years of tamper logs; ECCRAM prevents corruption of billing registers during power brownouts.

Programmable Logic Controller (PLC) CPU Module

Medical Infusion Pump Controller

Use Scenario: Compact DIN-rail PLC executing ladder logic with motion control extensions, communicating via EtherCAT slave interface and local HMI over RS-485.

IC Role / Device Role / Timing Role: Real-time control MCU running IEC 61131-3 runtime, driving 16-bit PWM outputs for servo drives, and managing dual CAN buses for I/O expansion.

Use Value: MTU3a complementary PWM with hardware dead-time insertion ensures safe 3-phase inverter commutation; ELC links encoder Z-phase to ADC trigger for position-synchronized current sampling.

Use Scenario: Battery-powered infusion pump requiring FDA Class II compliance, closed-loop flow control, and anti-tampering audit trails.

IC Role / Device Role / Timing Role: Safety-certified controller executing IEC 62304 software lifecycle, performing real-time PID loop on DAC-driven motor, and logging all dose events to ECC-protected RAM.

Use Value: IWDTa with configurable window prevents runaway code; hardware SHA-256 signs each log entry before storage - satisfies FDA 21 CFR Part 11 electronic record requirements.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
R5F571MLDDBG#20	Same RX71M core, identical 177-pin TFLGA package, but 2 MB code flash and 256 KB SRAM - no IEEE 1588 PTP engine or USBAa high-speed USB module.	Suitable for cost-sensitive PLCs without time-synchronized networking or high-bandwidth peripheral attachment.	Select when Ethernet PTP and HS USB are not required; reduces BOM cost by ~18% while retaining CAN, crypto, and RTOS capabilities.
R5F566TEADFP#30	RX66T 240 MHz core, 144-pin LQFP, 2 MB flash, 384 KB SRAM, single Ethernet MAC, no hardware PTP, no USBAa, but enhanced motor control timers (MTU3b).	Optimized for servo drive control with advanced PWM synchronization, not multi-protocol gateway aggregation.	Choose for motor-inverter applications needing higher PWM resolution and phase-shifted outputs; unsuitable for dual-Ethernet or time-critical gateway use cases.

Compared with R5F571MLDDBG#20, the R5F571MGCDBG#20 adds IEEE 1588 hardware timestamping and high-speed USB 2.0 - essential for time-coordinated industrial networks and firmware update bandwidth. Against R5F566TEADFP#30, it trades motor-specific timers for dual Ethernet and crypto acceleration - prioritizing connectivity and security over motion control precision.

Availability

R5F571MGCDBG#20 is available at Aetrix Electronics and suitable for industrial gateways, smart metering hubs, DIN-rail PLCs, medical infusion pumps, and energy management systems requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F571MGCDBG#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, power management, and connectivity solutions for automotive, industrial, and IoT markets.

The RX71M Group is designed for high-performance industrial automation applications demanding real-time determinism, functional safety certification (IEC 61508 SIL3, IEC 60730 Class B), and converged wired/wireless connectivity - with emphasis on time-sensitive networking and secure edge processing.

FAQ

What is the maximum operating frequency and DMIPS rating of the R5F571MGCDBG#20?

The R5F571MGCDBG#20 operates at a maximum frequency of 240 MHz and delivers 480 DMIPS performance. This is achieved through the RXv2 CPU core's 5-stage pipeline, single-cycle 32-bit multiply, and dual MAC units - enabling complex control algorithms and protocol stacks to execute within tight real-time deadlines. The R5F571MGCDBG#20 maintains this performance across its full temperature range (–40°C to +105°C) with appropriate thermal design.

Does the R5F571MGCDBG#20 support IEEE 1588 Precision Time Protocol hardware acceleration?

Yes, the R5F571MGCDBG#20 integrates a dedicated PTP controller (EPTPCa) compliant with IEEE 1588-2008, providing hardware timestamping of Ethernet frames with sub-microsecond accuracy. It supports one-step and two-step clock correction, transparent clock functionality, and synchronization with external grandmasters - eliminating software timestamp jitter and enabling deterministic time distribution across distributed R5F571MGCDBG#20-based systems.

What are the flash and RAM configurations of the R5F571MGCDBG#20?

The R5F571MGCDBG#20 features 4 MB of on-chip code flash memory (with background programming/erasing), 64 KB of reprogrammable data flash (rated for 100,000 write cycles), 512 KB of general-purpose SRAM (256 KB accessible with zero wait states at 240 MHz), 32 KB of ECC-protected RAM, and 8 KB of battery-backed standby RAM. These memory resources are fully utilized in the R5F571MGCDBG#20's reference designs for industrial gateways and safety-critical controllers.

Which communication interfaces are supported by the R5F571MGCDBG#20 for industrial networking?

The R5F571MGCDBG#20 supports dual IEEE 802.3 Ethernet MACs (10/100 Mbps, MII/RMII), triple CAN 2.0B channels (32 mailboxes each), nine serial communication interfaces (SCIg/h), four FIFO-equipped SCIFA ports, two I²C buses (up to 1 Mbps), two RSPI controllers, QSPI, SD host interface, and MMCIF. This comprehensive suite enables simultaneous operation of EtherCAT, PROFINET, CANopen, and Modbus TCP stacks - all managed by the R5F571MGCDBG#20's integrated DMA and ELC subsystems.

Is the R5F571MGCDBG#20 qualified for functional safety standards such as IEC 60730 Class B?

Yes, the R5F571MGCDBG#20 includes hardware features explicitly designed for IEC 60730 Class B compliance: oscillation-stoppage detection, hardware CRC calculator, independent watchdog timer (IWDTa) with window function, memory protection unit (MPU), register write protection, and self-diagnostic A/D converter. Renesas provides certified safety libraries and documentation to support R5F571MGCDBG#20-based implementations meeting Class B requirements in household and industrial appliances.

R5F571MGCDBG#20 Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Package/Case:: 176-LFBGA

Series:: RX71M

Packaging:: Tray

Product Status:: Active

Programmable:: Not Verified

Core Processor:: RXv2

Core Size:: 32-Bit Single-Core

Speed:: 240MHz

Connectivity:: CANbus, EBI/EMI, Ethernet, I2C, MMC/SD, QSPI, SCI, SPI, SSI, USB OTG

Peripherals:: DMA, LVD, POR, PWM, WDT

Number of I/O:: 127

Program Memory Size:: 2.5MB (2.5M x 8)

Program Memory Type:: FLASH

EEPROM Size:: 64K x 8

RAM Size:: 512K x 8

Voltage - Supply (Vcc/Vdd):: 2.7V ~ 3.6V

Data Converters:: A/D 8x12b, 21x12b; D/A 2x12

Oscillator Type:: Internal

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

R5F571MGCDBG#20 FAQ

1.How can I place an order for R5F571MGCDBG#20 through Aetrix?

Please submit a Request for Quotation (RFQ) for R5F571MGCDBG#20 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for R5F571MGCDBG#20 reliable?

The price and inventory of R5F571MGCDBG#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F571MGCDBG#20 is usually 5 days.

3.What payment methods are accepted for R5F571MGCDBG#20?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F571MGCDBG#20 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for R5F571MGCDBG#20?

R5F571MGCDBG#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your R5F571MGCDBG#20 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for R5F571MGCDBG#20?

For technical support, including R5F571MGCDBG#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F571MGCDBG#20 requirements.

6.How does Aetrix verify that R5F571MGCDBG#20 is sourced from the original manufacturer or authorized distributors?

All R5F571MGCDBG#20 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that R5F571MGCDBG#20 meets industry standards.

7.What is the process for return or replacement of R5F571MGCDBG#20?

All R5F571MGCDBG#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F571MGCDBG#20, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The R5F571MGCDBG#20 part is unused and in its original packaging.

Return procedure for R5F571MGCDBG#20:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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