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Renesas R5F571MLHDLJ#20
- Part No.:
- R5F571MLHDLJ#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-TFLGA
- Datasheet:
-
R5F571MLHDLJ#20.pdf
- Description:
- IC MCU 32BIT 4MB FLASH 100TFLGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,202
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Product details
Overview
R5F571MLHDLJ#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 ECC RAM), and dual 12-bit A/D converters (8 + 21 channels). It serves as a high-integration industrial control and connectivity MCU in gateway and edge-node applications requiring real-time Ethernet, USB HS, CAN, and SD host support.
For engineers reviewing the R5F571MLHDLJ#20 datasheet, R5F571MLHDLJ#20 pinout, R5F571MLHDLJ#20 application, or R5F571MLHDLJ#20 equivalent, key selection criteria include IEEE 1588-compliant dual Ethernet MAC support, high-speed USB 2.0 with battery charging (USBAa), 177-pin TFLGA package with 127 GPIOs, and IEC60730 safety features including CRC, oscillation-stop detection, and A/D self-diagnosis.
Technical Context
The R5F571MLHDLJ#20 implements the RXv2 CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code density. It integrates dual clock domains: ICLK up to 240 MHz for CPU execution and PCLKA up to 120 MHz for Ethernet, USB, and AES peripherals - enabling deterministic real-time response while maintaining power efficiency.
Its peripheral subsystem includes IEEE 1588 PTP hardware acceleration via EPTPCa, three independent CAN modules (32 mailboxes each), and dual Ethernet MACs with RMII/MII support - all synchronized to dedicated PCLKA and BCLK domains. The device supports full-duplex 10/100 Mbps operation with Magic Packet™ wake-on-LAN and IEEE 802.3x flow control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC Harvard, 240 MHz max, 480 DMIPS, IEEE-754 single-precision FPU |
| Memory | 4 MB code flash (0-wait ≤120 MHz), 64 KB data flash (100k erase cycles), 512 KB SRAM (256 KB no-wait @240 MHz) |
| Connectivity | Dual IEEE 1588 Ethernet MAC, high-speed USB 2.0 with battery charging (USBAa), 3× CAN, 9× SCI, 4× SCIFA, 2× RIIC, QSPI, SDHI |
| Analog | Two 12-bit S12ADC units (8 + 21 ch), 0.48 µs conversion time, self-diagnostic & disconnection detection |
| Timers | TPUa (6×16-bit), MTU3a (9 ch), GPTA (4×16-bit), CMT/CMTW, RTC with battery backup, IWDTa with window function |
| Package & Temp | PTLG0177KA-A 177-pin TFLGA (8 mm × 8 mm, 0.5 mm pitch), –40°C to +105°C (G-version) |
| Safety & Security | IEC60730 compliance features: CRC, oscillation-stop detection, A/D self-test, register write protection, optional AES/SHA/DES crypto |
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, RoHS-compliant, lead-free.
| 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 isolation for ADC/DAC |
| VBATT | Battery backup supply | Enables RTC operation during main power loss; supports coin-cell or supercap backup |
| XTAL / EXTAL | Main crystal oscillator input/output | Supports 8–24 MHz external crystal for precise system timing and Ethernet clock derivation |
| 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 | PHY management interface | IEEE 802.3-compliant MDIO bus for PHY configuration and status monitoring |
| ETH_TXD[3:0] / ETH_RXD[3:0] | Ethernet data lanes | 4-bit RMII interface supporting 10/100 Mbps full/half-duplex with MII/RMII selectability |
| USBA_VBUS / USBA_ID | USB OTG detection | Enables host/device role negotiation and VBUS sensing for battery charging compliance |
| SD_CLK / SD_CMD / SD_DAT[3:0] | SD host interface signals | 1-/4-bit SD bus supporting SD memory and SDIO cards per Physical Layer Spec v3.01 |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588 Hardware Timestamping | EPTPCa block delivers sub-microsecond precision timestamp insertion/extraction for PTPv2 synchronization in industrial Ethernet networks |
| Dual Ethernet MAC with Cut-Through | Enables zero-latency frame forwarding between ports without CPU intervention - critical for real-time gateway bridging |
| High-Speed USB 2.0 with BC1.2 | USBAa module supports USB Battery Charging v1.2, enabling direct charging of smartphones/tablets from embedded host ports |
| IEC60730 Class B Support | On-chip diagnostics include oscillator failure detection, CRC calculation unit, A/D self-test, and register lock bits - reducing external safety components |
| Event Link Controller (ELC) | 119 internal event sources can trigger timer starts, A/D conversions, or GPIO toggles without CPU overhead - enabling deterministic low-latency response |
| Flexible Clock Domain Partitioning | Independent ICLK (240 MHz), PCLKA (120 MHz), PCLKB (60 MHz), and ADCLK (60 MHz) domains allow optimized power/performance tradeoffs per peripheral group |
Applications
| Industrial Ethernet Gateway | Smart Energy Metering Hub |
|---|---|
Use Scenario: Aggregating Modbus TCP, CANopen, and BACnet MS/TP traffic across factory floor devices into a unified Ethernet backbone. IC Role / Device Role / Timing Role: Primary protocol translation engine with dual Ethernet MACs handling concurrent upstream/downstream traffic and real-time timestamping via EPTPCa. Use Value: Eliminates need for external Ethernet switches or FPGA-based timestamping by integrating IEEE 1588 PTP hardware and cut-through forwarding. |
Use Scenario: Multi-tariff electricity meter with tamper detection, remote firmware updates, and secure data logging over cellular or Power Line Communication (PLC). IC Role / Device Role / Timing Role: Secure system controller managing metrology ADC sampling, encrypted data storage in data flash, and authenticated OTA updates via USB or SDHI. Use Value: On-chip AES/SHA crypto and IEC60730 diagnostics meet IEC62056 and UL 61010 safety requirements without external security ICs. |
| Building Automation Controller | Medical Infusion Pump Controller |
Use Scenario: HVAC zone controller interfacing with temperature sensors, motorized valves, CO₂ monitors, and BACnet/IP network. IC Role / Device Role / Timing Role: Real-time scheduler executing PID loops at 100 Hz while servicing RS485 (SCI), CAN, and Ethernet (ETHERC) concurrently. Use Value: 240 MHz RXv2 core with fast interrupt latency (<100 ns) ensures deterministic loop execution even under heavy communication load. |
Use Scenario: Safety-critical infusion pump with flow rate monitoring, occlusion detection, battery backup, and USB service port. IC Role / Device Role / Timing Role: Fault-tolerant controller using dual A/D converters for redundant pressure sensing, standby RAM for therapy state retention, and IWDTa with windowed refresh. Use Value: Integrated 8 KB standby RAM + VBATT support maintains therapy context during AC loss; RTC with leap-year correction enables accurate dose scheduling. |
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 |
|---|---|---|---|
| R5F571MLHDFP#30 | Same RX71M core, 144-pin LFQFP package (20×20 mm), 111 GPIOs, single Ethernet MAC, no USBAa | Lacks high-speed USB and second Ethernet channel; suitable for cost-sensitive controllers without gateway functions | Select when board space allows larger package and dual Ethernet/USB HS are unnecessary |
| R5F571MLHDLJ#30 | Identical functionality and pinout; differs only in date code and traceability marking (J#20 vs J#30) | No functional difference; J#30 is later production revision with updated wafer lot and test data | Choose J#30 for new designs requiring latest qualification; J#20 remains fully compatible and qualified |
Compared with R5F571MLHDLJ#20, the R5F571MLHDFP#30 reduces connectivity (single Ethernet, no USB HS) and I/O count but lowers PCB cost and simplifies layout; the R5F571MLHDLJ#30 offers identical performance with updated manufacturing traceability - making it a drop-in replacement for lifecycle continuity.
Availability
R5F571MLHDLJ#20 is available at Aetrix Electronics and suitable for industrial gateways, smart energy hubs, building automation controllers, and medical infusion systems requiring stable component supply, long-term manufacturability, and automotive-grade reliability.
Supply support for R5F571MLHDLJ#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 specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise applications.
The RX71M Group - including R5F571MLHDLJ#20 - is engineered for real-time industrial connectivity, integrating Ethernet, USB, CAN, and safety features to replace multi-chip gateway designs with a single high-integration MCU.
FAQ
What is the maximum operating frequency and DMIPS rating of the R5F571MLHDLJ#20?
The R5F571MLHDLJ#20 operates at a maximum frequency of 240 MHz and delivers 480 DMIPS (Dhrystone MIPS) performance. This is achieved through its RXv2 CPU core with 5-stage pipeline, single-cycle 32-bit multiplier, and integrated IEEE-754 single-precision floating-point unit - enabling efficient real-time signal processing and control loop execution in the R5F571MLHDLJ#20.
Does the R5F571MLHDLJ#20 support IEEE 1588 Precision Time Protocol?
Yes, the R5F571MLHDLJ#20 includes dedicated hardware acceleration for IEEE 1588 via the EPTPCa (PTP Controller for Ethernet) module. It supports timestamp insertion and extraction on both transmit and receive paths with sub-microsecond accuracy, enabling precise time synchronization in industrial Ethernet networks without CPU overhead - a core capability of the R5F571MLHDLJ#20.
What package type and pin count does the R5F571MLHDLJ#20 use?
The R5F571MLHDLJ#20 uses the PTLG0177KA-A package: a 177-pin Thin Fine-Pitch Land Grid Array (TFLGA) with 8 mm × 8 mm body size and 0.5 mm pitch. It provides 127 general-purpose I/O pins, including 19 with 5-V tolerance, and supports high-density routing for compact industrial PCB designs - confirming the physical form factor of the R5F571MLHDLJ#20.
How many Ethernet MAC interfaces does the R5F571MLHDLJ#20 integrate?
The R5F571MLHDLJ#20 integrates two independent IEEE 802.3-compliant Ethernet MAC modules (ETHERC), each supporting 10/100 Mbps full- and half-duplex operation with MII/RMII interface options. This dual-MAC capability enables gateway applications such as bridging between separate network segments or simultaneous upstream/downstream traffic handling - a defining feature of the R5F571MLHDLJ#20.
Is high-speed USB 2.0 supported on the R5F571MLHDLJ#20?
Yes, the R5F571MLHDLJ#20 includes the USBAa module supporting USB 2.0 High-Speed (480 Mbps) host/function operation with battery charging (BC1.2) compliance. This capability is exclusive to 176-/177-pin RX71M variants like the R5F571MLHDLJ#20 and enables direct connection to smartphones, tablets, and USB peripherals - distinguishing it from smaller-package variants lacking USBAa.
R5F571MLHDLJ#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-TFLGA
- 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:
- 78
- Program Memory Size:
- 4MB (4M 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, 14x12b; D/A 1x12
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F571MLHDLJ#20 FAQ
1.How can I place an order for R5F571MLHDLJ#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F571MLHDLJ#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 R5F571MLHDLJ#20 reliable?
The price and inventory of R5F571MLHDLJ#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F571MLHDLJ#20 is usually 5 days.
3.What payment methods are accepted for R5F571MLHDLJ#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F571MLHDLJ#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F571MLHDLJ#20?
R5F571MLHDLJ#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F571MLHDLJ#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 R5F571MLHDLJ#20?
For technical support, including R5F571MLHDLJ#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F571MLHDLJ#20 requirements.
6.How does Aetrix verify that R5F571MLHDLJ#20 is sourced from the original manufacturer or authorized distributors?
All R5F571MLHDLJ#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 R5F571MLHDLJ#20 meets industry standards.
7.What is the process for return or replacement of R5F571MLHDLJ#20?
All R5F571MLHDLJ#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F571MLHDLJ#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 R5F571MLHDLJ#20 part is unused and in its original packaging.
Return procedure for R5F571MLHDLJ#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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