Renesas R5F571MLDDFP#30
- Part No.:
- R5F571MLDDFP#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F571MLDDFP#30.pdf
- Description:
- IC MCU 32BIT 4MB FLASH 100LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,445
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Product details
Overview
R5F571MLDDFP#30 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 IEEE 1588-compliant dual Ethernet MAC - designed for industrial real-time control, gateway edge processing, and networked embedded systems requiring deterministic timing and secure connectivity.
For engineers reviewing the R5F571MLDDFP#30 datasheet, R5F571MLDDFP#30 pinout, R5F571MLDDFP#30 application, or R5F571MLDDFP#30 equivalent, this MCU supports high-speed USB 2.0 HS with battery charging, CAN FD-capable ISO 11898-1 interfaces (3 channels), quad SPI, SD host interface, and hardware AES/SHA encryption - critical for evaluating real-time networking, functional safety (IEC 60730), and secure firmware update architectures.
Technical Context
The R5F571MLDDFP#30 implements the RXv2 CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code density. It integrates dual independent clock domains: ICLK up to 240 MHz for CPU execution and PCLKA up to 120 MHz for Ethernet, USB, and crypto peripherals - enabling concurrent high-bandwidth data movement and deterministic real-time processing.
Its memory subsystem includes 4 MB code flash with background programming, 64 KB data flash rated for 100,000 erase/write cycles, and segmented SRAM with region-specific wait-state behavior - supporting zero-wait access to critical code/data at full speed while maintaining robustness in safety-critical boot and runtime contexts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC core with 5-stage pipeline, 480 DMIPS @ 240 MHz - enables complex control algorithms and protocol stacks without external co-processors. |
| Max Operating Frequency | 240 MHz system clock (ICLK) - supports real-time response sub-1 µs for motor control, industrial Ethernet, and audio sampling. |
| Memory | 4 MB code flash (no wait states ≤120 MHz), 64 KB data flash (100k cycles), 512 KB SRAM (256 KB zero-wait @ 240 MHz) - sufficient for dual-application firmware, OTA updates, and large buffer handling. |
| Connectivity | Dual IEEE 1588 Ethernet MAC (MII/RMII), USB 2.0 HS + FS with battery charging, 3× CAN (ISO 11898-1), 9× SCI, 4× SCIFA, 2× RIIC, QSPI, SDHI - meets gateway and multi-protocol edge node requirements. |
| Analog Peripherals | Two 12-bit S12ADC units (8 + 21 channels), 2× 12-bit DAC, on-chip temperature sensor - supports sensor fusion, closed-loop analog control, and calibration without external ADC/DAC. |
| Security & Safety | Hardware AES-128/192/256, DES/TDES, SHA-1/224/256, CRC, IWDT with window function, MPU, register write protection - satisfies IEC 60730 Class B and secure boot requirements. |
| Package & Temp | LQFP-100 (14 × 14 mm, 0.5 mm pitch), –40°C to +85°C (D-version) - suitable for industrial PCB layouts with standard reflow profiles and thermal management. |
Pinout & Package
LQFP-100 package (PLQP0100KB-A), 14 × 14 mm body, 0.5 mm pitch, 78 general-purpose I/O pins (17 with 5-V tolerance), 1 dedicated input pin, pull-up resistors and open-drain capability on all I/Os.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / AVCC0 / AVCC1 | Core & analog power supply | Single 2.7–3.6 V supply domain; AVCC0/AVCC1 decoupling required for 12-bit ADC accuracy and noise immunity. |
| RES# | Active-low reset input | Asynchronous hardware reset; must be held low ≥100 ns after power stabilization to ensure reliable initialization. |
| CLKIN / CLKOUT | External crystal oscillator interface | Supports 8–24 MHz crystal for main clock; CLKOUT provides buffered reference for trace/debug or peripheral sync. |
| ETH_MDC / ETH_MDIO | IEEE 802.3 MII management interface | Configures PHY registers via MDIO bus; requires 2.5 V tolerant I/O due to PHY voltage levels. |
| USB_VBUS / USB_ID | USB OTG detection inputs | Enables host/device role negotiation and VBUS presence sensing - essential for dual-role USB operation. |
| SD0_CLK / SD0_CMD / SD0_DAT[0:3] | SD host interface signals | 4-bit SD bus supporting high-speed mode (15 MB/s); requires 50 Ω impedance control and separate power domain filtering. |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588 Precision Time Protocol Engine | Hardware timestamping in EPTPC block synchronized to ETHERC - enables sub-100 ns time synchronization for industrial automation and TSN-ready gateways. |
| Event Link Controller (ELC) | 119 internal event sources routed without CPU intervention - reduces interrupt latency and enables deterministic peripheral chaining (e.g., timer-triggered ADC capture → DMA transfer → Ethernet transmit). |
| Multi-channel DMA Architecture | DMACA (8 ch), EXDMAC (2 ch), EDMAC (3 ch for Ethernet), DTC (1 ch) - allows concurrent high-throughput transfers across flash, SRAM, Ethernet, USB, and SDHI without CPU bottlenecks. |
| Functional Safety Support | Integrated oscillation-stop detection, CRC calculator, IWDT with windowing, self-diagnostic A/D converter, and register lock bits - directly supports IEC 60730 Class B compliance without external monitoring ICs. |
| Flexible Clock Tree | Independent PLL, HOCO (16/18/20 MHz), LOCO (240 kHz), and IWDT-dedicated oscillator - enables dynamic clock scaling, low-power RTC operation, and fail-safe watchdog timing. |
Applications
| Industrial Ethernet Gateway | Secure Edge Node Controller |
|---|---|
Use Scenario: Aggregating Modbus TCP, CANopen, and EtherCAT fieldbus data into a unified IEEE 802.3 network with time-synchronized logging. IC Role / Device Role / Timing Role: Primary application processor executing protocol stacks, managing dual Ethernet MACs with IEEE 1588 timestamping, and orchestrating secure firmware updates. Use Value: Eliminates need for external FPGA or dual-MCU architecture by integrating deterministic real-time scheduling, hardware crypto, and 240 MHz compute headroom for concurrent protocol translation. |
Use Scenario: Localized PLC logic execution with encrypted OTA updates, sensor fusion (ADC + temp sensor), and CAN-based actuator control in harsh environments. IC Role / Device Role / Timing Role: Real-time control unit running RTOS with MPU-enforced memory isolation, using GPTA timers for PWM motor drive and MTU3 for encoder position capture. Use Value: Achieves SIL-2 readiness via built-in IWDT windowing, CRC acceleration, and self-test A/D - reducing certification effort and bill-of-materials cost. |
| Audio Processing Gateway | Smart Energy Meter Hub |
Use Scenario: Multi-channel audio streaming (I2S/SSI) with SRC resampling, USB audio class support, and Ethernet backhaul to cloud analytics platforms. IC Role / Device Role / Timing Role: Audio subsystem controller handling 48 kHz stereo I2S input, 32-bit SRC conversion, and high-speed USB 2.0 HS audio streaming with 8.5 KB on-chip buffer. Use Value: On-chip FPU and 512 KB SRAM enable real-time FIR filtering and echo cancellation without external DSP, while hardware AES secures audio metadata. |
Use Scenario: AMI (Advanced Metering Infrastructure) concentrator collecting data from multiple smart meters via RS485 (SCIg) and RF mesh, then forwarding via Ethernet or USB to utility backend. IC Role / Device Role / Timing Role: Secure communications hub performing TLS handshake acceleration (SHA-256/AES), RTC-backed time-stamped logging, and tamper-detection via LVD reset monitoring. Use Value: Integrated 12-bit ADC and temperature sensor enable metrology-grade calibration and environmental drift compensation - meeting ANSI C12.20 accuracy 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 |
|---|---|---|---|
| R5F571MLDFP#30 | Same RX71M family, identical 4 MB flash and 240 MHz core, but in 144-pin LQFP (PLQP0144KA-A) with 111 GPIOs and dual USB (HS + FS) instead of single USB HS. | Supports additional peripherals: second USB port, parallel camera interface (PDC), and extra CAN channel - suited for vision-enabled HMI or multi-interface edge devices. | Select when needing >78 GPIOs, CMOS camera input, or redundant USB connectivity; not pin-compatible with R5F571MLDDFP#30 due to different pin count and layout. |
| R5F566TKEDFP#30 | RX66T family part: 160 MHz max, 2 MB flash, no IEEE 1588 Ethernet, no hardware AES, but enhanced motor control timers (MTU3 + POE3) and 3-phase PWM output. | Optimized for servo drives and inverters with complementary PWM dead-time control and encoder interface - lacks gateway-class networking and security features. | Choose for cost-sensitive motor control where Ethernet, crypto, and high-speed USB are unnecessary; requires PCB redesign due to different peripheral mapping and package (LQFP-100 same footprint but signal assignment differs). |
Compared with R5F571MLDDFP#30, R5F571MLDFP#30 offers expanded I/O and dual USB at the cost of larger footprint and higher BOM cost, while R5F566TKEDFP#30 trades networking/security for superior motor control precision - making R5F571MLDDFP#30 optimal for compact, secure, multi-protocol industrial gateways.
Availability
R5F571MLDDFP#30 is available at Aetrix Electronics and suitable for industrial gateways, smart energy metering systems, and secure edge controllers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for production ramp.
Supply support for R5F571MLDDFP#30 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 automotive, industrial, and IoT markets.
The RX71M Group is engineered for high-performance industrial connectivity - combining real-time determinism, IEEE 1588 time synchronization, hardware security, and rich peripheral integration to replace multi-chip gateway designs with single-chip solutions.
FAQ
What is the maximum operating frequency and core architecture of the R5F571MLDDFP#30?
The R5F571MLDDFP#30 operates at a maximum frequency of 240 MHz using the RXv2 32-bit CISC CPU core with 5-stage pipeline and variable-length instructions. It delivers 480 DMIPS and includes single-precision IEEE-754 floating-point unit, two MAC units, and barrel shifter - enabling high-efficiency execution of control algorithms and protocol stacks without external coprocessors. This performance level is sustained across its full temperature range (–40°C to +85°C).
Does the R5F571MLDDFP#30 support IEEE 1588 Precision Time Protocol, and how is it implemented?
Yes, the R5F571MLDDFP#30 includes a dedicated IEEE 1588-compliant PTP controller (EPTPCa) tightly coupled to its dual Ethernet MAC (ETHERC). Hardware timestamping occurs at the MAC layer with nanosecond resolution, and the EPTPC block handles clock synchronization, delay measurement, and best-master selection - enabling sub-100 ns time alignment for industrial automation, TSN edge nodes, and synchronized data acquisition without software overhead or external timing ICs.
What are the memory resources available on the R5F571MLDDFP#30, and how are they allocated?
The R5F571MLDDFP#30 integrates 4 MB of on-chip code flash (with background programming and no-wait access up to 120 MHz), 64 KB of data flash (rated for 100,000 erase/write cycles), 512 KB of SRAM (256 KB zero-wait at 240 MHz), 32 KB of ECC-protected RAM (SEC-DED), and 8 KB of standby RAM. This allocation supports secure boot, dual-application firmware images, real-time buffering for Ethernet/USB/SDHI, and safety-critical data retention during deep sleep - all managed via the integrated memory protection unit (MPU).
Which communication interfaces does the R5F571MLDDFP#30 support for industrial networking?
The R5F571MLDDFP#30 supports dual IEEE 802.3 Ethernet MACs (10/100 Mbps, MII/RMII), USB 2.0 high-speed host/function with battery charging, three ISO 11898-1 CAN channels (32 mailboxes each), nine SCI/SCIg interfaces (with LIN and smart-card modes), four SCIFA UARTs with 16-byte FIFOs, two I2C buses (up to 1 Mbps), quad SPI, SD host interface, and MMCIF. This comprehensive set enables seamless integration into heterogeneous industrial networks without external bridge ICs.
How does the R5F571MLDDFP#30 meet functional safety requirements such as IEC 60730?
The R5F571MLDDFP#30 includes multiple hardware features for IEC 60730 Class B compliance: oscillation-stop detection, hardware CRC calculator, independent watchdog timer (IWDT) with configurable windowing, self-diagnostic A/D converter, register write protection, memory protection unit (MPU), and voltage-monitoring circuits with selectable thresholds. These capabilities allow developers to implement safe startup, runtime monitoring, and fault recovery without external safety monitors - reducing system complexity and certification effort for industrial control applications.
R5F571MLDDFP#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RX71M
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- 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:
R5F571MLDDFP#30 FAQ
1.How can I place an order for R5F571MLDDFP#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F571MLDDFP#30 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 R5F571MLDDFP#30 reliable?
The price and inventory of R5F571MLDDFP#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F571MLDDFP#30 is usually 5 days.
3.What payment methods are accepted for R5F571MLDDFP#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F571MLDDFP#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F571MLDDFP#30?
R5F571MLDDFP#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F571MLDDFP#30 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 R5F571MLDDFP#30?
For technical support, including R5F571MLDDFP#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F571MLDDFP#30 requirements.
6.How does Aetrix verify that R5F571MLDDFP#30 is sourced from the original manufacturer or authorized distributors?
All R5F571MLDDFP#30 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 R5F571MLDDFP#30 meets industry standards.
7.What is the process for return or replacement of R5F571MLDDFP#30?
All R5F571MLDDFP#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F571MLDDFP#30, 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 R5F571MLDDFP#30 part is unused and in its original packaging.
Return procedure for R5F571MLDDFP#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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