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Renesas R5F571MFDGFB#V0
- Part No.:
- R5F571MFDGFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F571MFDGFB#V0.pdf
- Description:
- RX71M 2MB, 512KB LQFP144 SDHI 10
- Quantity:
- Payment:
- Shipping:
Inventory:1,964
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Product details
Overview
R5F571MFDGFB#V0 from Renesas is a 32-bit RXv2 core microcontroller operating at up to 240 MHz (480 DMIPS), featuring 4 MB on-chip code flash, 512 KB SRAM (including 32 KB ECC RAM), IEEE 1588-compliant dual Ethernet MAC, high-speed USB 2.0 with battery charging, CAN v2.0B (3 channels), and dual 12-bit A/D converters (29 total channels) - deployed in industrial gateways requiring deterministic real-time control, secure connectivity, and multi-protocol fieldbus support.
For engineers reviewing the R5F571MFDGFB#V0 datasheet, R5F571MFDGFB#V0 pinout, R5F571MFDGFB#V0 application, or R5F571MFDGFB#V0 equivalent, key selection considerations include its 176-pin LFBGA package (PLQP0176KB-A), 240-MHz CPU clock with FPU, dual Ethernet + USB HS + CAN coexistence, 4-MB flash with background programming, and IEC60730 safety features including CRC, oscillation-stop detection, and A/D self-diagnosis.
Technical Context
The R5F571MFDGFB#V0 implements the RXv2 CISC Harvard architecture with 5-stage pipeline, single-cycle 32×32 multiplier, two MAC units, and IEEE-754 single-precision FPU - enabling high-throughput signal processing and motor control algorithms. Its clock system integrates PLL, HOCO (16/18/20 MHz), LOCO (240 kHz), and IWDT-dedicated oscillator, with independent domain clocks (ICLK up to 240 MHz, PCLKA up to 120 MHz, PCLKB up to 60 MHz).
Peripheral integration includes dual ETHERC modules with EPTPC (IEEE 1588 PTP), USBAa (USB 2.0 HS host/function with 8.5 KB buffer), CAN (32 mailboxes/channel), S12ADC (two units: 8 + 21 channels), and hardware encryption (AES-128/192/256, SHA-256, DES/TDES) - all coordinated via Event Link Controller (ELC) for CPU-offload event chaining without software intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC with 5-stage pipeline, 240 MHz max operation (480 DMIPS), IEEE-754 FPU, 32×32→64-bit multiplier |
| Memory | 4 MB code flash (0-wait ≤120 MHz), 64 KB data flash (100k write cycles), 512 KB SRAM (256 KB no-wait @240 MHz), 32 KB ECC RAM |
| Connectivity | Dual IEEE 1588 Ethernet MAC (MII/RMII), USB 2.0 HS host/function (480 Mbps), 3× CAN v2.0B, 9× SCIg/h, 4× SCIFA, 2× RIIC, 2× RSPI, QSPI, SDHI |
| Analog | Two 12-bit S12ADC units (8 + 21 channels), 0.48 µs conversion time, self-diagnostic, sample-and-hold per channel |
| Timers & PWM | TPUa (6×16-bit), MTU3a (9-channel), GPTA (4×16-bit), CMT/CMTW, 29 extended timers supporting 3-phase complementary PWM with dead-time control |
| Security & Safety | AES/SHA/DES encryption engines, IEC60730 compliance features: CRC, oscillation-stop detection, A/D self-test, register write protection |
| Package | PLQP0176KB-A: 176-pin LFBGA, 24 × 24 mm, 0.5 mm pitch, –40°C to +105°C (G-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, RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / AVCC0 / AVCC1 | Power supply inputs | Core/analog power rails (2.7–3.6 V); separate AVCC domains enable noise-isolated analog subsystem operation |
| VBATT | Battery backup supply | Provides power to RTC during main VCC dropout; enables calendar/timekeeping in deep software standby mode |
| XTAL / EXTAL | Main crystal oscillator interface | Supports 8–24 MHz external crystal; required for precise Ethernet/USB timing and IEEE 1588 synchronization |
| MD[2:0] | Mode setting pins | Configure boot mode (SCI/USB/user), single-chip mode, or ROM-enabled extended mode at reset release |
| ETXD[3:0] / ETX_EN / ETX_CLK / ERXD[3:0] / ERX_DV / ERX_CLK | Ethernet PHY interface (MII) | Direct connection to external Ethernet PHY; supports full/half-duplex 10/100 Mbps with IEEE 1588 timestamping |
| USBDP / USBDM | USB 2.0 high-speed differential pair | Integrated transceiver supports 480 Mbps HS operation; eliminates need for external PHY in embedded host/device applications |
| TXDn / RXDn / RTSn / CTSn | SCIFA serial interface signals | 4× UART interfaces with 16-byte TX/RX FIFOs; enable robust industrial serial communication (RS-232/422/485 via level shifters) |
| ADTRG[7:0] | A/D conversion trigger inputs | Hardware-triggered sampling from TPU/MTU/GPT timers; enables synchronized multi-channel acquisition for motor current sensing |
Key Features
| Feature | Design Value |
|---|---|
| Dual IEEE 1588 Ethernet MAC | Enables time-synchronized distributed control in industrial automation; supports hardware timestamping and PTP slave/master operation |
| USB 2.0 High-Speed Host/Function | 480 Mbps connectivity with integrated transceiver and 8.5 KB buffer - reduces BOM cost and PCB area vs. external PHY solutions |
| 3-Channel CAN v2.0B with 32 Mailboxes | Supports concurrent CAN FD-ready networks (ISO 11898-1); mailbox filtering offloads CPU during automotive/industrial bus traffic |
| Hardware Encryption Engine | AES-128/192/256, SHA-256, HMAC, DES/TDES acceleration enables secure firmware updates and TLS stack offload |
| IEC60730 Class B Support | On-chip CRC, oscillation-stop detection, A/D self-test, and register lock mechanisms simplify functional safety certification |
| Event Link Controller (ELC) | 119 internal event sources linked without CPU intervention - e.g., timer overflow → A/D start → DMA transfer → interrupt |
Applications
| Industrial Ethernet Gateway | Smart Energy Metering Hub |
|---|---|
|
Use Scenario: Aggregating Modbus TCP, CANopen, and Profibus DP data across factory floor devices into a unified OPC UA server. IC Role / Device Role / Timing Role: Central protocol translator and real-time scheduler; IEEE 1588 PTP synchronizes distributed I/O timestamps to ±100 ns accuracy. Use Value: Dual Ethernet ports enable redundant upstream links; 4 MB flash stores multiple protocol stacks; hardware CRC accelerates packet validation. |
Use Scenario: Multi-tariff electricity meter with grid communication (DLMS/COSEM over PRIME/IEEE 1901.2), tamper detection, and local HMI. IC Role / Device Role / Timing Role: Secure metering controller with RTC-backed billing counters; AES engine encrypts consumption logs before transmission. Use Value: 12-bit dual A/D converters measure voltage/current with 0.48 µs/channel speed; 32 KB ECC RAM protects critical billing registers from SEU. |
| Programmable Logic Controller (PLC) CPU Module | Motor Drive Control Unit |
|
Use Scenario: Compact DIN-rail PLC executing ladder logic, motion control, and web-based configuration via embedded HTTP server. IC Role / Device Role / Timing Role: Deterministic real-time executor; MTU3a timers generate precise PWM for servo axis control; ELC chains encoder capture → position calc → PWM update. Use Value: 240 MHz CPU handles 1 ms scan cycles with 30% headroom; 512 KB SRAM buffers I/O images and program variables. |
Use Scenario: Field-oriented control (FOC) of 3-phase PMSM motors in HVAC compressors, with active front-end rectification and thermal monitoring. IC Role / Device Role / Timing Role: Real-time motor controller; GPTA generates complementary PWM with programmable dead time; S12ADC samples phase currents synchronously. Use Value: Hardware FPU accelerates Clarke/Park transforms; 29 timers support multi-axis coordination; temperature sensor monitors die thermal margin. |
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 |
|---|---|---|---|
| R5F571MLDFB#V0 | Same RX71M group, identical 176-pin LFBGA package, but 2 MB code flash (vs. 4 MB) and 256 KB SRAM (vs. 512 KB) | Suitable for cost-sensitive PLC I/O modules where reduced memory footprint suffices for fixed-function firmware | Select when application firmware size < 1.8 MB and RAM usage < 200 KB; retains same peripheral set and pin compatibility |
| R5F566TEBDFP#V0 | RX66T group, 144-pin LQFP, 160 MHz CPU, 2 MB flash, no Ethernet MAC, adds dedicated motor control timers (MTU3b) and 3-phase PWM outputs | Optimized for single-axis servo drives; lacks Ethernet/USB but offers higher PWM resolution and faster ADC sampling (0.35 µs) | Choose for dedicated motor control where network connectivity is handled externally; not pin-compatible or drop-in replaceable |
Compared with R5F571MFDGFB#V0, the R5F571MLDFB#V0 offers identical peripherals and timing in a memory-reduced variant, while the R5F566TEBDFP#V0 trades networking capability for enhanced motor control precision - making the former a direct memory-downgrade option and the latter a functionally divergent alternative for embedded drive applications.
Availability
R5F571MFDGFB#V0 is available at Aetrix Electronics and suitable for industrial gateways, smart energy meters, PLC CPU modules, and motor drive control units requiring stable component supply, long-term lifecycle assurance, and automotive-grade temperature range (–40°C to +105°C).
Supply support for R5F571MFDGFB#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 headquartered in Tokyo, Japan, delivering microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise markets.
The RX71M Group is designed specifically for industrial IoT edge nodes demanding real-time determinism, multi-protocol connectivity (Ethernet/USB/CAN), functional safety, and secure firmware execution - targeting gateway, metering, and control applications.
FAQ
What is the maximum operating frequency and performance rating of the R5F571MFDGFB#V0?
The R5F571MFDGFB#V0 operates at a maximum frequency of 240 MHz and delivers 480 DMIPS (Dhrystone MIPS) performance. It integrates a single-precision IEEE-754 floating-point unit and two multiply-accumulate units, enabling efficient execution of control algorithms and signal processing tasks without external coprocessors. The R5F571MFDGFB#V0 achieves this performance within its 2.7–3.6 V supply range and –40°C to +105°C operating temperature window.
Does the R5F571MFDGFB#V0 support IEEE 1588 Precision Time Protocol?
Yes, the R5F571MFDGFB#V0 includes a dedicated PTP controller (EPTPCa) tightly coupled to its dual Ethernet MAC modules, providing hardware timestamping for transmit and receive frames with sub-microsecond accuracy. This enables the R5F571MFDGFB#V0 to operate as an IEEE 1588 boundary clock or transparent clock in industrial time-sensitive networking applications without CPU overhead.
How many A/D converter channels does the R5F571MFDGFB#V0 provide, and what are their key characteristics?
The R5F571MFDGFB#V0 integrates two independent 12-bit A/D converter units: S12ADC unit 0 with 8 channels and unit 1 with 21 channels, totaling 29 configurable inputs. Conversion time is 0.48 µs per channel at 12-bit resolution, with selectable 8/10/12-bit modes, per-channel sampling time control, and built-in self-diagnostic functionality. The R5F571MFDGFB#V0 also supports hardware-triggered sampling from timer peripherals for synchronized acquisition.
What USB capabilities does the R5F571MFDGFB#V0 offer, and which variants support high-speed operation?
The R5F571MFDGFB#V0 includes both USB 2.0 Full-Speed (12 Mbps) and High-Speed (480 Mbps) host/function modules. High-speed operation is supported only on 176- and 177-pin package variants - confirming that the R5F571MFDGFB#V0 (176-pin LFBGA) fully supports USB 2.0 HS with an integrated transceiver and 8.5 KB on-chip buffer, eliminating the need for external PHY components in embedded designs.
Is the R5F571MFDGFB#V0 qualified for functional safety standards such as IEC60730?
Yes, the R5F571MFDGFB#V0 includes multiple hardware features certified for IEC60730 Class B compliance, including oscillation-stoppage detection, hardware CRC calculation unit, independent watchdog timer (IWDTa) with window function, self-diagnostic A/D converter test, and register write-protection mechanisms. These features are documented in the R01DS0249EJ0120 datasheet and enable streamlined safety certification for household and industrial appliances.
R5F571MFDGFB#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- RX
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RXv2
- Core Size:
- 32-Bit
- Speed:
- 240MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, FIFO, 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 29x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F571MFDGFB#V0 FAQ
1.How can I place an order for R5F571MFDGFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F571MFDGFB#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 R5F571MFDGFB#V0 reliable?
The price and inventory of R5F571MFDGFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F571MFDGFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F571MFDGFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F571MFDGFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F571MFDGFB#V0?
R5F571MFDGFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F571MFDGFB#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 R5F571MFDGFB#V0?
For technical support, including R5F571MFDGFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F571MFDGFB#V0 requirements.
6.How does Aetrix verify that R5F571MFDGFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F571MFDGFB#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 R5F571MFDGFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F571MFDGFB#V0?
All R5F571MFDGFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F571MFDGFB#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 R5F571MFDGFB#V0 part is unused and in its original packaging.
Return procedure for R5F571MFDGFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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