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Renesas R5F571MGDDBG#20
- Part No.:
- R5F571MGDDBG#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 176-LFBGA
- Datasheet:
-
R5F571MGDDBG#20.pdf
- Description:
- IC MCU 32BIT 2.5MB FLSH 176LFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:152
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Product details
Overview
R5F571MGDDBG#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, 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 automation gateways requiring deterministic real-time control, secure connectivity, and multi-protocol I/O.
For engineers reviewing the R5F571MGDDBG#20 datasheet, R5F571MGDDBG#20 pinout, R5F571MGDDBG#20 application, or R5F571MGDDBG#20 equivalent, key selection criteria include its 177-pin TFLGA package (8 mm × 8 mm, 0.5-mm pitch), -40°C to +105°C operating range (G-version), integrated FPU for floating-point math, hardware AES/SHA encryption, and support for IEC 60730 Class B functional safety compliance.
Technical Context
The R5F571MGDDBG#20 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions-enabling ultra-compact code density. It integrates dual independent Ethernet controllers (ETHERC) with IEEE 1588 PTP timing engines (EPTPC) and dedicated EDMAC channels for low-CPU-load frame handling.
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 (with 256 KB at zero wait states up to 120 MHz), 32 KB ECCRAM (SEC-DED), and 8 KB standby RAM backed by VBATT. Clocking supports external crystal (8–24 MHz), internal HOCO/LOCO, and PLL multiplication up to 240 MHz ICLK.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC core with 5-stage pipeline, 480 DMIPS @ 240 MHz |
| Max Operating Frequency | 240 MHz system clock (ICLK); peripheral clocks up to 120 MHz (PCLKA) and 60 MHz (PCLKB) |
| Memory | 4 MB code flash (no-wait ≤120 MHz), 64 KB data flash, 512 KB SRAM, 32 KB ECCRAM, 8 KB standby RAM |
| Analog Peripherals | Dual 12-bit S12ADC (8 + 21 channels), 2-channel 12-bit D/A, on-chip temperature sensor |
| Communication Interfaces | Dual IEEE 1588 Ethernet MAC, high-speed USB 2.0 (480 Mbps) with battery charging, 3× CAN, 9× SCI, 4× SCIFA, 2× RIIC, 2× RSPI, 1× QSPI, SDHI, MMCIF |
| Security & Safety | Optional AES-128/192/256, DES/TDES, SHA-1/224/256, CRC, IWDTa, self-diagnostic A/D, register write protection |
| Package & Temp Range | PTLG0177KA-A 177-pin TFLGA (8 mm × 8 mm, 0.5-mm pitch), -40°C to +105°C (G-version) |
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, lead-free, RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / AVCC0 / AVCC1 | Core & analog power supply | 2.7–3.6 V main supply; separate analog domains enable noise-isolated ADC operation |
| VBATT | Battery backup supply | Provides power to RTC during main power loss; enables calendar/timekeeping in deep software standby |
| XTAL / EXTAL | Main crystal oscillator input/output | Supports 8–24 MHz external crystal for precise system timing and Ethernet synchronization |
| MD[2:0] | Mode setting pins | Configure boot mode (SCI/USB/user), single-chip mode, or ROM-enabled extended mode at reset |
| ETH_MDC / ETH_MDIO | IEEE 802.3 MII management interface | Enable PHY configuration and status monitoring for both Ethernet channels |
| USBA_VBUS / USBA_ID | USB OTG detection signals | Support host/device role negotiation and battery charging descriptor signaling per USB BC 1.2 |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588 Precision Time Protocol | Dual EPTPC blocks synchronized to ETHERC frames enable sub-microsecond time stamping for industrial motion control and TSN edge nodes |
| Hardware Encryption Acceleration | Dedicated AES/SHA/DES engines offload crypto processing from CPU-critical for secure firmware updates and TLS handshake acceleration |
| IEC 60730 Class B Support | Integrated oscillation-stop detection, CRC calculation unit, IWDTa windowing, A/D self-test, and register lock bits simplify functional safety certification |
| Flexible Memory Mapping | Eight independent chip-select areas (CS0–CS7) with configurable 8/16/32-bit bus width and endian per area enable seamless connection to legacy peripherals and SDRAM |
| Event Link Controller (ELC) | 119 internal event sources routed without CPU intervention-e.g., TPU capture triggers A/D conversion or MTU3 PWM output enables POE3 fault shutdown |
Applications
| Industrial Ethernet Gateway | Smart Energy Metering Hub |
|---|---|
Use Scenario: Aggregating Modbus TCP, CANopen, and BACnet MS/TP traffic across factory floor devices into unified OPC UA over TSN-capable Ethernet backbone. IC Role / Device Role / Timing Role: Primary application processor with dual Ethernet MACs, IEEE 1588 timestamping, and real-time OS scheduling. Use Value: Deterministic packet forwarding latency (<5 µs jitter) and hardware-accelerated protocol stack offload reduce MCU utilization below 35% under full load. |
Use Scenario: Multi-tariff electricity meter with grid synchronization, tamper detection, secure remote firmware update, and DLMS/COSEM communication via PLC or RF mesh. IC Role / Device Role / Timing Role: Secure metering SoC integrating precision A/D sampling, RTC with battery backup, and AES-256 encrypted data storage. Use Value: On-chip 12-bit dual A/D achieves <±0.1% THD+N error at 50/60 Hz; hardware crypto ensures FIPS 140-2 Level 2 compliance for firmware signing. |
| Programmable Logic Controller (PLC) CPU Module | Medical Infusion Pump Controller |
Use Scenario: Compact DIN-rail PLC executing ladder logic, motion control (3-axis servo), and HMI communication via EtherCAT or PROFINET. IC Role / Device Role / Timing Role: Real-time controller with 240 MHz deterministic execution, 29 timers (MTU3/GPT), and dual CAN for fieldbus bridging. Use Value: GPTA three-phase PWM generation with automatic dead-time insertion eliminates external gate drivers for motor control outputs. |
Use Scenario: FDA-cleared infusion pump requiring IEC 62304 Class C software, flow rate accuracy ±2%, battery-backed runtime logging, and USB host for calibration tool connection. IC Role / Device Role / Timing Role: Safety-critical controller with dual-redundant A/D inputs, ECCRAM for critical variables, and IWDTa with windowed refresh for fail-safe shutdown. Use Value: Standby RAM retains dose history and alarm logs during AC power loss; hardware CRC validates all configuration EEPROM writes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance industrial MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F571MDDDBG#20 | Same RX71M family, identical 177-pin TFLGA package, but 2 MB code flash and 256 KB SRAM | Suitable for cost-sensitive designs with lower firmware footprint and reduced RAM requirements | Select when application firmware size <2 MB and real-time task count ≤16; retains full peripheral set including dual Ethernet and USB HS |
| R5F566TEADFP#30 | RX66T group, 144-pin LQFP, 160 MHz max, 2 MB flash, no IEEE 1588 or USB HS-adds FPU and enhanced motor control timers (GPTP) | Optimized for servo drive and inverter control; lacks Ethernet/USB but adds 3-phase PWM with hardware dead-time compensation | Choose for motor-centric applications where network connectivity is handled externally; not suitable for gateway or metering roles requiring IEEE 1588 or secure USB |
Compared with R5F571MGDDBG#20, the R5F571MDDDBG#20 reduces memory capacity while preserving pinout and real-time networking features-ideal for scaled-down gateways. The R5F566TEADFP#30 trades networking for motor control specialization, making it incompatible for Ethernet-based applications but superior for embedded drives.
Availability
R5F571MGDDBG#20 is available at Aetrix Electronics and suitable for industrial automation gateways, smart energy metering hubs, programmable logic controller CPU modules, and medical infusion pump controllers requiring stable component supply across long production lifecycles.
Supply support for R5F571MGDDBG#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, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RX71M Group is designed specifically for industrial connectivity and real-time control applications-integrating deterministic Ethernet, secure USB, functional safety features, and high-precision analog to replace multi-chip solutions in gateway and edge node designs.
FAQ
What is the maximum operating frequency and CPU performance of the R5F571MGDDBG#20?
The R5F571MGDDBG#20 operates at a maximum system clock frequency of 240 MHz using the RXv2 CPU core, delivering 480 DMIPS of processing performance. Its single-precision IEEE-754 floating-point unit (FPU), dual multiply-accumulate units, and 5-stage pipeline enable efficient real-time signal processing and control loop execution in applications like motion control and protocol stack handling.
Does the R5F571MGDDBG#20 support IEEE 1588 Precision Time Protocol, and how is it implemented?
Yes, the R5F571MGDDBG#20 includes two dedicated IEEE 1588-compliant PTP controllers (EPTPCa) tightly coupled to its dual Ethernet MACs (ETHERC). Each EPTPC provides hardware timestamping of ingress/egress frames with sub-microsecond resolution, enabling precise time synchronization for industrial TSN networks, motion control systems, and distributed I/O timing without CPU overhead.
What are the memory resources available on the R5F571MGDDBG#20?
The R5F571MGDDBG#20 integrates 4 MB of on-chip code flash memory (with background programming), 64 KB of reprogrammable data flash (rated for 100,000 erase/write cycles), 512 KB of general-purpose SRAM (256 KB at zero wait states up to 120 MHz), 32 KB of ECC-protected RAM (SEC-DED), and 8 KB of battery-backed standby RAM-all accessible without external components.
Which communication interfaces does the R5F571MGDDBG#20 support for industrial networking?
The R5F571MGDDBG#20 supports dual IEEE 802.3 10/100 Mbps Ethernet MACs with MII/RMII, high-speed USB 2.0 (480 Mbps) with battery charging capability, three CAN 2.0B channels (32 mailboxes each), nine SCI/SCIFA serial interfaces, two I²C buses (up to 1 Mbps), two RSPI, one QSPI, SD host interface, and MMCIF-making it ideal for heterogeneous industrial protocol bridging.
Is the R5F571MGDDBG#20 qualified for functional safety standards such as IEC 60730?
Yes, the R5F571MGDDBG#20 includes multiple hardware features supporting IEC 60730 Class B compliance: oscillation-stop detection, hardware CRC calculation unit, windowed independent watchdog timer (IWDTa), A/D converter self-diagnostic function, register write protection, and memory protection unit (MPU)-all documented in Renesas' functional safety manual R01UM0122EJ0200.
R5F571MGDDBG#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:
R5F571MGDDBG#20 FAQ
1.How can I place an order for R5F571MGDDBG#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F571MGDDBG#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 R5F571MGDDBG#20 reliable?
The price and inventory of R5F571MGDDBG#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F571MGDDBG#20 is usually 5 days.
3.What payment methods are accepted for R5F571MGDDBG#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F571MGDDBG#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F571MGDDBG#20?
R5F571MGDDBG#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F571MGDDBG#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 R5F571MGDDBG#20?
For technical support, including R5F571MGDDBG#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F571MGDDBG#20 requirements.
6.How does Aetrix verify that R5F571MGDDBG#20 is sourced from the original manufacturer or authorized distributors?
All R5F571MGDDBG#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 R5F571MGDDBG#20 meets industry standards.
7.What is the process for return or replacement of R5F571MGDDBG#20?
All R5F571MGDDBG#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F571MGDDBG#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 R5F571MGDDBG#20 part is unused and in its original packaging.
Return procedure for R5F571MGDDBG#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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