Renesas R5F571MLDDLJ#20
- Part No.:
- R5F571MLDDLJ#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-TFLGA
- Datasheet:
-
R5F571MLDDLJ#20.pdf
- Description:
- IC MCU 32BIT 4MB FLASH 100TFLGA
- Quantity:
- Payment:

- Shipping:

Inventory:416
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Product details
Overview
R5F571MLDDLJ#20 from Renesas is a 32-bit RXv2 microcontroller with 240 MHz max operating frequency, 480 DMIPS performance, single-precision IEEE-754 FPU, 4 MB on-chip code flash, and 512 KB SRAM - deployed in industrial automation controllers requiring real-time Ethernet, CAN, and USB connectivity.
For engineers reviewing the R5F571MLDDLJ#20 datasheet, R5F571MLDDLJ#20 pinout, R5F571MLDDLJ#20 application, or R5F571MLDDLJ#20 equivalent, key selection criteria include IEEE 1588-compliant dual Ethernet MAC support, high-speed USB 2.0 with battery charging (USBAa), 3-channel CAN, and integrated 12-bit A/D with self-diagnostic capability for functional safety compliance.
Technical Context
The R5F571MLDDLJ#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 Ethernet MACs (ETHERC) with IEEE 1588 PTP controller (EPTPCa) and dedicated EDMACa channels for hardware-accelerated timestamping and frame handling.
Its clock system supports external crystal (8–24 MHz) or internal PLL, with independent domain 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. The device includes three low-power modes with RTC backup via VBATT and supports IEC 60730 safety functions including oscillation-stop detection and CRC.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC Harvard, 240 MHz max - delivers 480 DMIPS with single-cycle 32×32 multiplier and IEEE-754 FPU for deterministic real-time math. |
| Memory | 4 MB code flash (no wait states ≤120 MHz), 64 KB data flash (100k write cycles), 512 KB SRAM (256 KB at 240 MHz), 32 KB ECCRAM - enables robust firmware updates and safety-critical data integrity. |
| Connectivity | Dual IEEE 1588 Ethernet MAC (10/100 Mbps), USBAa (HS USB 2.0 + BC1.2), 3× CAN (ISO 11898-1), 9× SCI, 4× SCIFA, 2× RIIC, QSPI, SDHI - supports time-sensitive networking and multi-protocol industrial gateways. |
| Analog Peripherals | Two 12-bit S12ADC units (8 + 21 channels), 2× 12-bit D/A, on-chip temperature sensor - provides high-resolution sensing with self-diagnostic and disconnection detection per IEC 60730. |
| Timers & Control | 29 extended-function timers including MTU3a (9-channel), GPTA (4-channel), TPUa (6-channel), CMT/CMTW - enables precise PWM generation, encoder interfacing, and motor control with dead-time compensation. |
| Security & Safety | AES/DES/SHA crypto acceleration (optional), MPU, register write protection, IWDTa with window function, oscillation-stop detection - meets requirements for Class B IEC 60730 certification. |
| Package & Environment | LFBGA-176 (PLQP0176KB-A, 24×24 mm, 0.5 mm pitch), –40°C to +85°C (D-version) - suitable for space-constrained industrial PCBs with extended thermal range. |
Pinout & Package
LFBGA-176 package (PLQP0176KB-A, 24 × 24 mm, 0.5-mm pitch) with 127 general-purpose I/O pins (19 5-V tolerant), dedicated power/ground pins, and pin-mapped interfaces for dual Ethernet MII/RMII, USB HS/FS, CAN, QSPI, SDHI, and parallel camera (PDC).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / AVCC0 / AVCC1 | Core & analog power supply | 2.7–3.6 V single-supply operation; separate analog domains ensure ADC/DAC accuracy and noise immunity. |
| VBATT | Battery backup supply | Enables RTC operation during main power loss - critical for time-stamped event logging in unattended systems. |
| ETXD0–7 / ERXD0–7 / ETXEN / ERXDV / ECRS / ECOL / EREFCLK | Ethernet MAC physical interface | Full MII pinout for dual 10/100 Mbps Ethernet; supports IEEE 1588 timestamping via EPTPCa and cut-through forwarding between channels. |
| USBDP / USBDM / USBID / VBUS | High-speed USB 2.0 transceiver | Direct connection to USB HS PHY (480 Mbps); integrated BC1.2 detection enables smart charging in embedded host applications. |
| CANH / CANL (CH0–2) | CAN bus differential pairs | Three independent ISO 11898-1 compliant CAN controllers with 32 mailboxes each - supports multi-node diagnostics and gateway routing. |
| QSPI_IO0–3 / QSPI_CLK / QSPI_CS | Quad SPI interface | Direct boot and execution from external quad-flash memory - reduces BOM cost and enables field firmware upgrades without external NOR/NAND. |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588 PTP Hardware Acceleration | EPTPCa block synchronizes dual Ethernet MACs to sub-microsecond precision - eliminates software timestamp jitter for time-sensitive networking (TSN) in PLCs and motion controllers. |
| Functional Safety Support | Integrated IWDTa with windowed refresh, oscillation-stop detection, CRC unit, and A/D self-diagnostic - enables Class B compliance per IEC 60730 without external safety monitors. |
| Multi-Protocol Real-Time Connectivity | Simultaneous dual Ethernet, 3× CAN, HS USB, and SDHI - allows unified industrial gateway design supporting PROFINET over Ethernet, CANopen device networks, and local HMI storage. |
| High-Performance Motor Control Engine | MTU3a + GPTA + POE3a deliver synchronized 3-phase complementary PWM with automatic dead-time insertion and A/D trigger alignment - reduces phase current distortion in servo drives. |
| Secure Firmware Execution | MPU, trusted memory (blocks 8–9), and optional AES/SHA crypto - protects intellectual property and enables secure OTA updates in connected factory equipment. |
Applications
| Industrial Ethernet Gateway | Programmable Logic Controller (PLC) |
|---|---|
|
Use Scenario: Aggregating fieldbus data (CANopen, Modbus RTU) and bridging to time-synchronized Ethernet networks using PROFINET or EtherCAT. IC Role / Device Role / Timing Role: Central protocol translator and real-time scheduler with dual IEEE 1588 Ethernet MACs ensuring deterministic packet timing and sub-1 µs clock synchronization across distributed I/O nodes. Use Value: Eliminates need for external timing ICs or FPGA-based timestamping, reducing BOM count and board area while meeting IEC 61158 Class A timing requirements. |
Use Scenario: Compact, modular PLC base unit executing ladder logic and motion control algorithms with integrated I/O expansion via CAN and Ethernet. IC Role / Device Role / Timing Role: Main controller running real-time OS with hardware-accelerated PWM (MTU3a/GPTA), A/D sampling triggers, and safety watchdog (IWDTa) for SIL2-capable execution. Use Value: Enables <100 µs I/O scan cycles and coordinated multi-axis motion profiles without external motion ICs - accelerating time-to-market for OEM control systems. |
| Smart Energy Meter Hub | Factory Automation HMI Controller |
|
Use Scenario: Multi-tariff energy meter with remote firmware update, tamper detection, and secure data logging via SD card and encrypted wireless backhaul. IC Role / Device Role / Timing Role: Secure metering SoC managing metrology ADCs, RTC with battery backup, SDHI for local storage, and AES crypto engine for firmware signature verification. Use Value: Meets IEC 62056 and DLMS/COSEM security mandates with on-chip SHA-256 and trusted memory - avoids costly external secure elements. |
Use Scenario: Touch-based HMI panel controlling machinery with local recipe management, alarm history, and real-time visualization of CAN/Ethernet-connected devices. IC Role / Device Role / Timing Role: Application processor running Linux or FreeRTOS, driving LCD via RGB interface, hosting web server over Ethernet, and polling CAN nodes for status updates. Use Value: Integrates display controller, network stack, and fieldbus masters in one chip - simplifies thermal design and lowers power vs. dual-chip ARM+MCU solutions. |
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 |
|---|---|---|---|
| R5F571MLDDFK#30 | LFBGA-144 package (144-pin), same RXv2 core, 4 MB flash, but only 1× Ethernet MAC and no USBAa - lacks high-speed USB and second Ethernet channel. | Suitable for cost-sensitive single-network edge devices (e.g., CAN-to-Ethernet converters) where dual Ethernet or USB host charging is unnecessary. | Select when footprint reduction and lower pin count suffice, and dual Ethernet/USB HS are not required. |
| R5F572MLDDLC#20 | LFBGA-176 package, same pinout, but RXv3 core (240 MHz), enhanced FPU, larger SRAM (640 KB), added crypto (TRNG, RSA), and improved EPTPCa - higher performance and security. | Targeted at next-gen IIoT gateways requiring TLS offload, secure boot, and higher throughput for OPC UA PubSub over TSN. | Choose for new designs needing future-proof security, higher compute headroom, or certified cryptographic modules. |
Compared with R5F571MLDDLJ#20, R5F571MLDDFK#30 reduces system cost and size at the expense of dual-network redundancy and USB charging capability, while R5F572MLDDLC#20 extends lifecycle viability through architectural upgrades in security, timing precision, and computational throughput - making it ideal for long-lifecycle industrial deployments.
Availability
R5F571MLDDLJ#20 is available at Aetrix Electronics and suitable for industrial automation gateways, programmable logic controllers, smart energy metering hubs, and factory HMI controllers requiring stable component supply and long-term manufacturing continuity.
Supply support for R5F571MLDDLJ#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 is a global semiconductor leader specializing in microcontrollers, analog, and power solutions for automotive, industrial, and IoT markets - with over 40 years of embedded systems expertise.
The RX71M Group, including R5F571MLDDLJ#20, was designed specifically for real-time industrial control applications demanding deterministic Ethernet, functional safety, and multi-protocol connectivity - targeting PLCs, HMIs, and intelligent gateways.
FAQ
What is the maximum operating frequency and DMIPS rating of the R5F571MLDDLJ#20?
The R5F571MLDDLJ#20 operates at a maximum frequency of 240 MHz and delivers 480 DMIPS performance. This is achieved by the RXv2 CPU core with a 5-stage pipeline, single-cycle 32×32 multiplier, and integrated single-precision IEEE-754 floating-point unit - enabling deterministic real-time computation for motion control and digital power conversion algorithms in the R5F571MLDDLJ#20.
Does the R5F571MLDDLJ#20 support IEEE 1588 Precision Time Protocol?
Yes, the R5F571MLDDLJ#20 includes a dedicated IEEE 1588-compliant PTP controller (EPTPCa) tightly coupled to its dual Ethernet MACs (ETHERC). It supports hardware timestamping of ingress/egress frames, sub-microsecond synchronization, and transparent clock functionality - essential for time-sensitive networking in industrial automation systems built around the R5F571MLDDLJ#20.
How many CAN interfaces does the R5F571MLDDLJ#20 integrate, and what standard do they comply with?
The R5F571MLDDLJ#20 integrates three independent CAN modules, each compliant with ISO 11898-1 (Classical CAN) and supporting both standard and extended frames. Each module provides 32 mailboxes with configurable priority and filtering - enabling robust multi-node communication in vehicle diagnostics, factory automation, and building management systems using the R5F571MLDDLJ#20.
What is the flash and RAM configuration of the R5F571MLDDLJ#20?
The R5F571MLDDLJ#20 features 4 MB of on-chip code flash memory (with background programming and no-wait access up to 120 MHz), 64 KB of reprogrammable data flash (rated for 100,000 erase/write cycles), 512 KB of general-purpose SRAM, 32 KB of ECC-protected RAM, and 8 KB of standby RAM - providing ample non-volatile storage and error-resilient runtime memory for complex industrial firmware running on the R5F571MLDDLJ#20.
Is the R5F571MLDDLJ#20 qualified for industrial temperature range and functional safety standards?
Yes, the R5F571MLDDLJ#20 is rated for the industrial temperature range of –40°C to +85°C (D-version) and includes multiple hardware features for IEC 60730 Class B compliance: oscillation-stop detection, independent windowed watchdog timer (IWDTa), CRC calculation unit, A/D self-diagnostic, and register write protection - all validated and documented for use in safety-critical applications built with the R5F571MLDDLJ#20.
R5F571MLDDLJ#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:
R5F571MLDDLJ#20 FAQ
1.How can I place an order for R5F571MLDDLJ#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F571MLDDLJ#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 R5F571MLDDLJ#20 reliable?
The price and inventory of R5F571MLDDLJ#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F571MLDDLJ#20 is usually 5 days.
3.What payment methods are accepted for R5F571MLDDLJ#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F571MLDDLJ#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F571MLDDLJ#20?
R5F571MLDDLJ#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F571MLDDLJ#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 R5F571MLDDLJ#20?
For technical support, including R5F571MLDDLJ#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F571MLDDLJ#20 requirements.
6.How does Aetrix verify that R5F571MLDDLJ#20 is sourced from the original manufacturer or authorized distributors?
All R5F571MLDDLJ#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 R5F571MLDDLJ#20 meets industry standards.
7.What is the process for return or replacement of R5F571MLDDLJ#20?
All R5F571MLDDLJ#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F571MLDDLJ#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 R5F571MLDDLJ#20 part is unused and in its original packaging.
Return procedure for R5F571MLDDLJ#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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