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Renesas R5F571MFDDLK#20
- Part No.:
- R5F571MFDDLK#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 145-TFLGA
- Datasheet:
-
R5F571MFDDLK#20.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 145TFLGA
- Quantity:
- Payment:
- Shipping:
Inventory:416
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Product details
Overview
R5F571MFDDLK#20 from Renesas is a 32-bit RXv2 microcontroller with 240 MHz CPU, 4 MB on-chip flash, 512 KB SRAM, IEEE 1588-compliant dual Ethernet MAC, high-speed USB 2.0 with battery charging, and integrated 12-bit A/D converter - deployed in industrial gateways requiring real-time protocol stack execution, secure firmware updates, and deterministic network timing.
For engineers reviewing the R5F571MFDDLK#20 datasheet, R5F571MFDDLK#20 pinout, R5F571MFDDLK#20 application, or R5F571MFDDLK#20 equivalent, this MCU delivers verified 480 DMIPS performance, hardware-accelerated AES/SHA encryption, dual-channel Ethernet with PTP timestamping, and IEC60730-compliant safety features for functional safety-critical embedded control.
Technical Context
The R5F571MFDDLK#20 implements the RXv2 CPU core with single-precision IEEE-754 FPU, two MAC units, and 32-bit multiplier (1-cycle execution), enabling deterministic signal processing in motor control and power conversion. Its clock system supports independent domain scaling: ICLK up to 240 MHz, PCLKA up to 120 MHz for Ethernet/USB/AES, and PCLKB up to 60 MHz for timers and serial interfaces.
It integrates dual Ethernet controllers (ETHERC) with dedicated EPTPC hardware compliant with IEEE 1588-2008, supporting hardware timestamp insertion/extraction and sub-microsecond synchronization. The USBAa module provides full-speed and high-speed USB 2.0 operation with integrated PHY and 8.5 KB buffer - exclusive to 176-/177-pin packages like this LFBGA variant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC Harvard architecture with 5-stage pipeline, 480 DMIPS @ 240 MHz |
| Flash Memory | 4 MB code flash with background programming, zero-wait access ≤120 MHz, 1-wait >120 MHz |
| RAM | 512 KB SRAM (256 KB no-wait @ 240 MHz), 32 KB ECCRAM (SEC-DED), 8 KB standby RAM |
| Peripherals | Dual IEEE 1588 Ethernet MAC, USBAa (HS/FS USB 2.0 + BC1.2), 3 CAN channels, 9 SCI, 4 SCIFA, 2 RIIC, QSPI, SDHI, PDC, S12ADC ×2 |
| Timers | TPUa (6×16-bit), MTU3a (9-channel), GPTA (4×16-bit), CMT/CMTW, RTCd with battery backup, IWDTa with window function |
| Security & Safety | AES-128/192/256, DES/TDES, SHA-1/224/256, CRC, self-diagnostic A/D, oscillation-stop detection, register write protection |
| Package & Temp | LFBGA-176 (PLQP0176KB-A, 24×24 mm, 0.5 mm pitch), –40°C to +85°C (D-version) |
Pinout & Package
LFBGA-176 package (PLQP0176KB-A), 24 mm × 24 mm, 0.5 mm pitch, 127 general-purpose I/O pins with 5-V tolerance on 19 pins, open-drain capability, and programmable pull-up resistors.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / AVCC0 / AVCC1 | Core & analog power supply | 2.7–3.6 V single-supply operation; separate analog domains enable noise-isolated ADC reference |
| RES# | Active-low reset input | Asynchronous hardware reset; triggers nine distinct reset sources including POR, LVD, and watchdog underflow |
| CLKIN / CLKOUT | External crystal oscillator interface | Supports 8–24 MHz crystal; enables precise clock source for IEEE 1588 PTP synchronization and RTC accuracy |
| ETXD0–7 / ETXCK / ERXD0–7 / ERXCK | Ethernet MII physical layer signals | Direct connection to external PHY; enables 10/100 Mbps full/half-duplex with hardware timestamping via EPTPC |
| USBDP / USBDM | High-speed USB 2.0 differential pair | Integrated USBAa transceiver supports 480 Mbps HS mode; eliminates need for external PHY in compact gateway designs |
| AD00–AD20 | Analog input channels | S12ADC Unit 1 provides 21 channels; supports scan/group modes, self-diagnosis, and disconnection detection |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588 Hardware Timestamping | EPTPC block synchronizes Ethernet frame timestamps at hardware level, enabling sub-1 µs time alignment for industrial automation |
| High-Speed USB with Battery Charging | USBAa module supports BC1.2 detection and 480 Mbps data transfer - critical for field firmware updates and peripheral attachment in edge devices |
| IEC60730 Class B Compliance Support | Includes oscillation-stop detection, CRC engine, IWDTa with window function, A/D self-test, and register lock bits for safety-certified firmware |
| Dual Independent Ethernet Controllers | Two ETHERC modules allow redundant network paths or segregated traffic domains (e.g., control plane vs. data plane) without external switches |
| Flexible Clock Domain Partitioning | Independent ICLK (240 MHz), PCLKA (120 MHz), PCLKB (60 MHz), ADCLK (60 MHz) domains reduce EMI and optimize peripheral latency |
Applications
| Industrial Ethernet Gateway | Smart Energy Metering Hub |
|---|---|
|
Use Scenario: Aggregating Modbus TCP, PROFINET, and EtherCAT traffic across dual Ethernet ports while running TLS-secured cloud telemetry. IC Role / Device Role / Timing Role: Primary application processor executing real-time protocol stacks, managing DMA-driven packet forwarding, and maintaining IEEE 1588-synchronized timebase. Use Value: Dual ETHERC + EPTPC eliminates external timing ICs; 4 MB flash hosts multiple protocol stacks and encrypted OTA update images. |
Use Scenario: Multi-tariff energy meter with pulse counting, harmonic analysis, and DLMS/COSEM over IPv6 via cellular backhaul. IC Role / Device Role / Timing Role: System-on-chip handling metrology ADC sampling, cryptographic signing of consumption logs, and USB/SDHI-based field commissioning. Use Value: S12ADC Unit 1 (21-channel) acquires voltage/current/temperature simultaneously; AES-256 secures firmware and metering data at rest. |
| Programmable Logic Controller (PLC) CPU Module | Building Automation Controller |
|
Use Scenario: DIN-rail mounted PLC executing IEC 61131-3 logic with motion control loops and EtherCAT master functionality. IC Role / Device Role / Timing Role: Deterministic real-time controller coordinating MTU3a PWM outputs, GPTA servo timing, and CANopen device communication. Use Value: 29 extended-function timers (including complementary PWM with dead-time insertion) replace discrete timer ICs; 512 KB SRAM buffers motion trajectory data. |
Use Scenario: BACnet/IP-enabled HVAC controller interfacing with RS485 field devices, BLE sensors, and cloud APIs via Ethernet/Wi-Fi bridge. IC Role / Device Role / Timing Role: Central connectivity hub managing concurrent SCIFA (RS485), RIIC (sensor bus), and ETHERC (BACnet/IP) with time-stamped event logging. Use Value: 9 SCIg/SCIh channels support legacy building protocols; RTCd with battery backup maintains schedule integrity during AC loss. |
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 |
|---|---|---|---|
| R5F571MLDLK#20 | Same RX71M family, identical 176-pin LFBGA package, but 2 MB flash (vs. 4 MB) and no USBAa high-speed USB PHY | Lacks high-speed USB 2.0 and battery charging support; suitable only where USB is FS-only or omitted | Select when cost-sensitive designs omit HS USB and require <2 MB application code space |
| R5F572MFHFP#30 | RX72M family, 240 MHz, 4 MB flash, but 144-pin LQFP package, includes 2D graphics accelerator and enhanced security (TRNG, RSA) | Targeted at HMI-rich applications; lacks dual Ethernet and PTP hardware - uses software timestamping only | Choose for human-machine interface integration where display rendering outweighs deterministic networking needs |
Compared with R5F571MFDDLK#20, R5F571MLDLK#20 reduces flash and omits HS USB - lowering BOM cost but limiting field-upgrade bandwidth; R5F572MFHFP#30 trades dual PTP Ethernet for graphics acceleration and stronger crypto, shifting focus from infrastructure to edge visualization.
Availability
R5F571MFDDLK#20 is available at Aetrix Electronics and suitable for industrial gateways, smart metering hubs, PLC CPU modules, and building automation controllers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F571MFDDLK#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 automotive, industrial, and IoT markets.
The RX71M Group targets high-performance industrial connectivity applications, integrating dual Ethernet, real-time security, and functional safety features to replace multi-chip solutions in gateway and control systems.
FAQ
What is the maximum operating frequency and DMIPS rating of the R5F571MFDDLK#20?
The R5F571MFDDLK#20 operates at a maximum frequency of 240 MHz and delivers 480 DMIPS performance. This is achieved through its RXv2 CPU core with 5-stage pipeline, single-cycle 32-bit multiplier, and integrated floating-point unit compliant with IEEE-754 single-precision standard - enabling real-time math-intensive tasks such as motor vector control and protocol stack processing without external co-processors.
Does the R5F571MFDDLK#20 support IEEE 1588 Precision Time Protocol hardware timestamping?
Yes, the R5F571MFDDLK#20 includes a dedicated EPTPC (PTP Controller for Ethernet) block compliant with IEEE 1588-2008. It performs hardware timestamp insertion and extraction on Ethernet frames, enabling sub-microsecond time synchronization essential for industrial automation, power substation automation, and synchronized motion control - without CPU intervention or software latency penalties.
What USB capabilities does the R5F571MFDDLK#20 provide, and which package variants include them?
The R5F571MFDDLK#20 integrates the USBAa module supporting high-speed (480 Mbps) and full-speed (12 Mbps) USB 2.0 with battery charging (BC1.2) detection. This feature is exclusive to 176- and 177-pin packages - confirmed for the LFBGA-176 R5F571MFDDLK#20. It includes an integrated PHY and 8.5 KB on-chip buffer, eliminating external transceivers in compact gateway and field device designs.
How much on-chip flash and RAM does the R5F571MFDDLK#20 include, and what are their access characteristics?
The R5F571MFDDLK#20 includes 4 MB of on-chip code flash memory with zero-wait-state access up to 120 MHz and one wait state above that frequency, plus 512 KB of SRAM - with the first 256 KB accessible at full 240 MHz speed. It also integrates 32 KB of ECCRAM (SEC-DED) and 8 KB of battery-backed standby RAM, ensuring data integrity and retention during low-power states required by IEC60730-compliant systems.
Is the R5F571MFDDLK#20 qualified for functional safety standards such as IEC 61508 or IEC 60730?
Yes, the R5F571MFDDLK#20 includes multiple hardware features certified for IEC 60730 Class B compliance: oscillation-stop detection, built-in CRC calculation unit, independent watchdog timer (IWDTa) with configurable window function, A/D converter self-diagnostic mode, and register write protection. These capabilities form the foundation for achieving SIL2-level safety in industrial control applications when implemented per Renesas' functional safety manual.
R5F571MFDDLK#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 145-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:
- 111
- Program Memory Size:
- 2MB (2M 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:
R5F571MFDDLK#20 FAQ
1.How can I place an order for R5F571MFDDLK#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F571MFDDLK#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 R5F571MFDDLK#20 reliable?
The price and inventory of R5F571MFDDLK#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F571MFDDLK#20 is usually 5 days.
3.What payment methods are accepted for R5F571MFDDLK#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F571MFDDLK#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F571MFDDLK#20?
R5F571MFDDLK#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F571MFDDLK#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 R5F571MFDDLK#20?
For technical support, including R5F571MFDDLK#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F571MFDDLK#20 requirements.
6.How does Aetrix verify that R5F571MFDDLK#20 is sourced from the original manufacturer or authorized distributors?
All R5F571MFDDLK#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 R5F571MFDDLK#20 meets industry standards.
7.What is the process for return or replacement of R5F571MFDDLK#20?
All R5F571MFDDLK#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F571MFDDLK#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 R5F571MFDDLK#20 part is unused and in its original packaging.
Return procedure for R5F571MFDDLK#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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