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Renesas R5F571MFCDFB#V0
- Part No.:
- R5F571MFCDFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F571MFCDFB#V0.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 144LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,613
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Product details
Overview
R5F571MFCDFB#V0 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 control and connectivity hub in industrial Ethernet gateways requiring real-time deterministic processing, IEEE 1588 time synchronization, and secure firmware updates.
For engineers reviewing the R5F571MFCDFB#V0 datasheet, R5F571MFCDFB#V0 pinout, R5F571MFCDFB#V0 application, or R5F571MFCDFB#V0 equivalent, key selection criteria include its 176-pin LFBGA package (PLQP0176KB-A), dual Ethernet MAC with PTP support, high-speed USB 2.0 host/function capability, CAN v2.0B compliance, and IEC60730 safety features for certified embedded control systems.
Technical Context
The R5F571MFCDFB#V0 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 concurrent high-bandwidth data movement and deterministic real-time control.
Its peripheral subsystem includes IEEE 1588-compliant Ethernet MAC (2-channel), USBAa high-speed USB 2.0 with battery charging, three CAN modules (32 mailboxes each), and hardware-accelerated cryptography (AES-128/192/256, SHA-224/256, HMAC). The device supports IEC60730 Class B compliance via oscillation-stop detection, CRC engines, IWDTa with window function, and A/D self-diagnostic routines.
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); enables real-time deterministic response ≤4.17 ns per instruction cycle |
| Memory | 4 MB code flash (no wait states ≤120 MHz), 64 KB data flash (100k erase cycles), 512 KB SRAM (256 KB no-wait @ 240 MHz) |
| Analog Peripherals | Dual 12-bit S12ADC (8 + 21 channels), 2×12-bit D/A, on-chip temperature sensor, self-diagnostic A/D |
| Connectivity | Dual IEEE 1588 Ethernet MAC, USBAa high-speed USB 2.0 (480 Mbps), 3×CAN, 9×SCI, 4×SCIFA, 2×RIIC, QSPI, SDHI |
| Security & Safety | Optional AES/DES/SHA crypto engine; IEC60730 support via IWDTa, CRC, oscillation detection, register write protection |
| Package | PLQP0176KB-A: 176-pin LFBGA, 24 × 24 mm, 0.5 mm pitch, –40°C to +85°C (D-version) |
Pinout & Package
Package: PLQP0176KB-A - 176-pin Low-Profile Fine-Pitch Ball Grid Array (LFBGA), 24 mm × 24 mm body, 0.5 mm ball pitch, lead-free, RoHS compliant. Thermal pad exposed on underside for enhanced heat dissipation in industrial ambient conditions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / AVCC0 / AVCC1 | Core & analog power supply | Single 2.7–3.6 V supply; AVCC0/AVCC1 decoupled for ADC reference stability and noise immunity |
| VBATT | Battery backup input | Enables RTC operation during main power loss; supports coin-cell or supercapacitor backup |
| RES# | Active-low reset input | Asynchronous hardware reset; initiates full system initialization including memory controllers and PLLs |
| CLKIN / CLKOUT | External crystal interface | Supports 8–24 MHz crystal for main oscillator; CLKOUT provides buffered clock output for trace/debug sync |
| ETXD0–7 / ETXCK / ERXD0–7 / ERXCK | Ethernet PHY interface | MII interface pins for 10/100 Mbps Ethernet; requires external PHY or RMII-compatible transceiver |
| USBDP / USBDM | USB 2.0 high-speed differential pair | Direct connection to USB connector; supports HS (480 Mbps) and FS (12 Mbps); internal termination enabled |
| CANH / CANL | CAN bus differential signals | Three independent CAN channels; each supports ISO 11898-1 standard frame and extended frame formats |
| AD00–AD28 | Analog input channels | 29 total A/D inputs across two units; AD00–AD07 (unit 0), AD08–AD28 (unit 1); 12-bit resolution with selectable 8/10/12-bit mode |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588 Precision Time Protocol | Hardware timestamping engine (EPTPCa) synchronized to dual Ethernet MACs for sub-microsecond time alignment in distributed control networks |
| Background Operation (BGO) | Simultaneous code/data flash programming/erasing while executing application code - enables seamless firmware updates without runtime interruption |
| Event Link Controller (ELC) | 119 internal event signals routed without CPU intervention - e.g., TPU capture triggers A/D conversion, reducing latency to <1 µs |
| IEC60730 Safety Support | Integrated oscillation-stop detection, CRC calculation unit, IWDTa with configurable window, and A/D self-test - reduces external safety component count |
| Secure Boot & Trusted Memory | TM function blocks read access to flash blocks 8–9; supports secure boot verification and encrypted firmware storage |
Applications
| Industrial Ethernet Gateway | Smart Energy Metering Hub |
|---|---|
|
Use Scenario: Aggregating Modbus TCP, CANopen, and BACnet MS/TP fieldbus data into time-synchronized IEEE 1588 Ethernet streams for cloud SCADA ingestion. IC Role / Device Role / Timing Role: Central protocol translator and time-aware packet scheduler; uses EPTPCa for hardware timestamping of all ingress/egress frames. Use Value: Eliminates need for external PTP grandmaster; achieves ±250 ns timestamp accuracy across 100-node networks without NTP drift compensation. |
Use Scenario: Multi-tariff electricity meter with tamper detection, load profiling, and remote firmware update over cellular backhaul. IC Role / Device Role / Timing Role: Real-time energy computation engine with RTC-backed billing counters and secure OTA update handler using data flash BGO. Use Value: Enables 10-year battery-backed RTC operation via VBATT; 100,000-cycle data flash ensures >20 years of daily tariff logging integrity. |
| Factory Automation PLC Controller | Medical Infusion Pump Controller |
|
Use Scenario: Compact PLC executing motion control loops (PID + PWM) while communicating with HMI over EtherNet/IP and monitoring safety I/O via CAN. IC Role / Device Role / Timing Role: Deterministic real-time controller with MTU3/GPTA PWM outputs, 240 MHz CPU for sub-ms loop execution, and dual CAN for safety-critical actuator feedback. Use Value: Achieves 500 µs jitter-free PWM edge placement for servo drive commutation; IEC60730 diagnostics satisfy SIL2 functional safety requirements. |
Use Scenario: Battery-powered infusion pump requiring precise flow rate control, motor stall detection, and regulatory-compliant audit logging. IC Role / Device Role / Timing Role: Safety-critical motor controller with dual A/D for pressure/flow sensing, standby RAM for persistent therapy state, and AES-128 for encrypted log storage. Use Value: 8 KB standby RAM retains therapy parameters during battery swap; ECCRAM prevents silent memory corruption in critical dosage calculations. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F571MLDFB#V0 | Same RX71M family, identical 176-pin LFBGA package, but with 2 MB code flash (vs. 4 MB) and no USBAa high-speed USB module | Suitable for cost-sensitive industrial controllers where Ethernet + CAN suffices and USB host functionality is unnecessary | Select when BOM cost reduction is prioritized over future-proofing with high-speed USB or larger firmware headroom |
| R5F572MNDFA#V0 | RX72M family successor; 240 MHz RXv3 core, 4 MB flash, adds 2D graphics accelerator and enhanced security (TRNG, secure boot ROM), same 176-pin LFBGA | Targeted at HMI-rich applications (e.g., panel PCs) requiring GUI rendering and stronger root-of-trust than RX71M offers | Choose for new designs needing long-term roadmap continuity and advanced UI/security - not drop-in compatible due to peripheral register map changes |
Compared with R5F571MFCDFB#V0, the R5F571MLDFB#V0 trades flash capacity and USB speed for lower unit cost, while the R5F572MNDFA#V0 introduces architectural enhancements (RXv3, TRNG, GPU) at the expense of software migration effort - making R5F571MFCDFB#V0 optimal for established Ethernet/CAN gateway designs requiring maximum legacy compatibility and deterministic real-time performance.
Availability
R5F571MFCDFB#V0 is available at Aetrix Electronics and suitable for industrial Ethernet gateways, smart energy metering hubs, factory automation PLCs, and medical infusion pump controllers requiring stable component supply, long lifecycle assurance, and full traceability.
Supply support for R5F571MFCDFB#V0 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 designed for high-performance industrial connectivity applications demanding real-time determinism, functional safety certification (IEC60730), and rich peripheral integration - particularly where IEEE 1588 time synchronization, dual Ethernet, and secure firmware updates are essential.
FAQ
What is the maximum operating frequency and CPU performance of the R5F571MFCDFB#V0?
The R5F571MFCDFB#V0 operates at a maximum system clock frequency of 240 MHz using its RXv2 CPU core, achieving 480 DMIPS performance. Its single-precision IEEE-754 floating-point unit (FPU) and dual multiply-accumulate units enable efficient signal processing and control algorithm execution without external coprocessors - a key advantage in R5F571MFCDFB#V0-based motor control and sensor fusion applications.
Does the R5F571MFCDFB#V0 support IEEE 1588 Precision Time Protocol?
Yes, the R5F571MFCDFB#V0 integrates a dedicated IEEE 1588-compliant PTP controller (EPTPCa) tightly coupled to its dual Ethernet MAC modules. This enables hardware timestamping of ingress and egress Ethernet frames with sub-microsecond accuracy, eliminating software-induced latency - a critical capability for R5F571MFCDFB#V0 deployments in time-sensitive industrial automation and power substation communication systems.
What package type and pin count does the R5F571MFCDFB#V0 use?
The R5F571MFCDFB#V0 is housed in a PLQP0176KB-A package: a 176-pin Low-Profile Fine-Pitch Ball Grid Array measuring 24 mm × 24 mm with 0.5 mm ball pitch. This package supports 127 general-purpose I/O pins (19 with 5-V tolerance), and is rated for industrial temperature range (–40°C to +85°C), making it suitable for dense, thermally constrained R5F571MFCDFB#V0-based gateway designs.
How much on-chip memory does the R5F571MFCDFB#V0 provide?
The R5F571MFCDFB#V0 includes 4 MB of on-chip code flash memory (with no wait states up to 120 MHz), 64 KB of reprogrammable data flash (rated for 100,000 erase cycles), 512 KB of SRAM (256 KB accessible with zero wait states at 240 MHz), 32 KB of ECC-protected RAM, and 8 KB of battery-backed standby RAM - collectively providing robust, low-latency memory resources for complex R5F571MFCDFB#V0 firmware with real-time data buffering and secure logging.
What safety and security features are integrated into the R5F571MFCDFB#V0?
The R5F571MFCDFB#V0 incorporates IEC60730 Class B compliance features including oscillation-stoppage detection, hardware CRC calculation unit, independent watchdog timer (IWDTa) with configurable window, A/D converter self-diagnostic function, and register write protection. Optional AES-128/192/256, DES, and SHA crypto accelerators further enhance firmware security - making R5F571MFCDFB#V0 appropriate for safety-critical industrial and medical applications requiring certified reliability.
R5F571MFCDFB#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- RX71M
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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:
R5F571MFCDFB#V0 FAQ
1.How can I place an order for R5F571MFCDFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F571MFCDFB#V0 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 R5F571MFCDFB#V0 reliable?
The price and inventory of R5F571MFCDFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F571MFCDFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F571MFCDFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F571MFCDFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F571MFCDFB#V0?
R5F571MFCDFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F571MFCDFB#V0 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 R5F571MFCDFB#V0?
For technical support, including R5F571MFCDFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F571MFCDFB#V0 requirements.
6.How does Aetrix verify that R5F571MFCDFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F571MFCDFB#V0 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 R5F571MFCDFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F571MFCDFB#V0?
All R5F571MFCDFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F571MFCDFB#V0, 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 R5F571MFCDFB#V0 part is unused and in its original packaging.
Return procedure for R5F571MFCDFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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