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Renesas R5F571MJCDFB#V0
- Part No.:
- R5F571MJCDFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F571MJCDFB#V0.pdf
- Description:
- IC MCU 32BIT 3MB FLASH 144LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,507
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Product details
Overview
R5F571MJCDFB#V0 from Renesas is a 32-bit RXv2 microcontroller with 240 MHz CPU, single-precision IEEE-754 FPU, 4 MB on-chip code flash, 512 KB SRAM (including 32 KB ECC RAM), and integrated IEEE 1588-compliant Ethernet MAC - deployed in industrial gateways requiring deterministic real-time control, secure connectivity, and high-speed data acquisition.
For engineers reviewing the R5F571MJCDFB#V0 datasheet, R5F571MJCDFB#V0 pinout, R5F571MJCDFB#V0 application, or R5F571MJCDFB#V0 equivalent, key selection considerations include its 176-pin LFBGA package, dual Ethernet MAC support, high-speed USB 2.0 with battery charging, CAN FD-capable triple CAN modules, and IEC60730-ready safety features including CRC, IWDTa, and A/D self-diagnosis.
Technical Context
The R5F571MJCDFB#V0 implements the RXv2 CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and memory protection unit (MPU) for secure embedded execution. It integrates dual Ethernet MACs with IEEE 1588 PTP controller (EPTPCa), three CAN modules compliant with ISO 11898-1, and a dedicated EXDMAC with cluster transfer mode for high-throughput peripheral offloading.
Clock subsystem includes PLL-based 240 MHz ICLK, independent PCLKA (up to 120 MHz) for Ethernet/USB/AES, PCLKB (up to 60 MHz) for timers/peripherals, and separate ADCLK domains for dual 12-bit S12ADC units - enabling concurrent high-speed analog capture, network stack processing, and real-time PWM generation without resource contention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit, 240 MHz max - delivers 480 DMIPS for real-time deterministic control loops. |
| Flash Memory | 4 MB code flash with background programming - enables field firmware updates without halting operation. |
| RAM | 512 KB SRAM + 32 KB ECC RAM - supports fault-tolerant data buffers and critical control state storage. |
| Ethernet | Dual IEEE 1588-compliant MACs - provides time-synchronized industrial networking for motion control and PLC backplanes. |
| USB | High-speed USB 2.0 with battery charging (USBAa) - supports host/device/OTG roles and direct power negotiation for connected peripherals. |
| CAN | 3 × ISO 11898-1 CAN modules, 32 mailboxes each - enables multi-bus automotive diagnostics and factory automation messaging. |
| A/D Converter | Dual 12-bit S12ADC (8 + 21 channels), 0.48 µs conversion - allows simultaneous sampling of motor phase currents and sensor arrays. |
| Package | LFBGA-176 (PLQP0176KB-A), 24 × 24 mm, 0.5 mm pitch - optimized for high-density industrial PCB layouts with thermal pad grounding. |
Pinout & Package
Package: PLQP0176KB-A, 176-pin LFBGA, 24 × 24 mm, 0.5 mm pitch, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, AVCC0, AVCC1 | Power supply inputs | Separate digital/analog rails enable noise isolation for precision ADC and real-time CPU operation. |
| VBATT | Battery backup supply | Retains RTC and 8 KB standby RAM during main power loss - critical for timestamped event logging. |
| ETXD0–7, ETXCK, ERXD0–7, ERXCK | Ethernet PHY interface | Direct MII connection to external PHY - eliminates need for glue logic in industrial Ethernet designs. |
| USBDP/USBDM | USB 2.0 HS differential pair | Integrated transceiver supports 480 Mbps transfers - reduces BOM count and EMI filtering complexity. |
| CAN0TX/CAN0RX, CAN1TX/CAN1RX, CAN2TX/CAN2RX | CAN bus signal pairs | Three independent CAN controllers with dedicated pins - allow concurrent CAN FD and legacy CAN networks. |
| AD00–AD28 | Analog input channels | 29 total ADC inputs across two units - supports multi-sensor fusion (temperature, current, voltage) in single-chip solutions. |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588 PTP Hardware Acceleration | Hardware timestamping in EPTPCa enables sub-microsecond clock synchronization for distributed motion control systems. |
| IEC60730 Safety Support | On-chip oscillation-stop detection, CRC engine, IWDTa with window function, and A/D self-diagnostic meet Class B requirements. |
| Secure Cryptographic Engine | Optional AES-128/192/256, DES/T-DES, and SHA-1/224/256 accelerate firmware signing and encrypted communication. |
| Event Link Controller (ELC) | 119 internal event signals routed without CPU intervention - enables hardware-triggered ADC sampling on PWM edge events. |
| SDRAM Interface | Dedicated 128 MB SDRAM area with independent bus timing - supports GUI frame buffers and protocol stack heap expansion. |
| CMOS Camera Interface (PDC) | Parallel data capture unit with HSYNC/VSYNC sync - enables machine vision preprocessing in smart sensors and inspection systems. |
Applications
| Industrial Ethernet Gateway | Smart Energy Metering Hub |
|---|---|
Use Scenario: Aggregating Modbus TCP, CANopen, and BACnet/IP traffic across factory floor devices into unified cloud telemetry. IC Role / Device Role / Timing Role: Primary application processor running RTOS, managing dual Ethernet MACs, three CAN interfaces, and secure TLS stack via hardware crypto. Use Value: IEEE 1588 hardware timestamping ensures synchronized data correlation across distributed sensors and actuators. | Use Scenario: Multi-tariff electricity meter with tamper detection, waveform analysis, and remote firmware update over cellular backhaul. IC Role / Device Role / Timing Role: Real-time data concentrator with dual 12-bit ADCs sampling voltage/current at 10 kSPS, RTC with battery backup, and secure boot verification. Use Value: On-chip ECC RAM and IEC60730-compliant self-test ensure metrology accuracy and regulatory compliance over 15-year field life. |
| Programmable Logic Controller (PLC) CPU Module | Automotive Diagnostic Tool |
Use Scenario: Compact DIN-rail PLC executing ladder logic with 16 digital I/O, analog inputs, and EtherCAT master capability. IC Role / Device Role / Timing Role: Deterministic control core using MTU3/GPT timers for precise PWM output, TPU for encoder counting, and EXDMAC for fast I/O scanning. Use Value: Four low-power modes and 0.2 mA/MHz active current extend uptime in fanless enclosures with passive cooling. | Use Scenario: Handheld OBD-II scanner supporting UDS, DoIP, and CAN FD diagnostics for EV battery management systems. IC Role / Device Role / Timing Role: Dual-CAN interface controller with 32-mailbox buffers per channel, USB 2.0 HS for PC connectivity, and secure firmware update via AES-256. Use Value: High-speed USB 2.0 with battery charging enables tool recharging while transferring diagnostic logs to service laptops. |
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 |
|---|---|---|---|
| R5F571MJCDFA#V0 | Same RX71M group, identical 176-pin LFBGA package and 4 MB flash, but rated for –40°C to +105°C (G-grade) vs. D-grade (–40°C to +85°C) of R5F571MJCDFB#V0. | Targeted at under-hood automotive or high-temp industrial environments where extended thermal range is required. | Select when ambient operating temperature exceeds +85°C; otherwise, R5F571MJCDFB#V0 offers cost-optimized D-grade performance. |
| R5F571MJDDB#V0 | Same package and core, but with 2 MB code flash (vs. 4 MB) and no IEEE 1588 PTP hardware - lacks EPTPCa block and second Ethernet MAC. | Suitable for cost-sensitive gateway applications needing only single Ethernet port and smaller firmware footprint. | Choose for simplified networking stacks or when BOM cost reduction outweighs need for dual Ethernet or time-sync capabilities. |
Compared with R5F571MJCDFB#V0, R5F571MJCDFA#V0 extends thermal reliability for harsh environments without sacrificing feature set, while R5F571MJDDB#V0 reduces flash capacity and removes IEEE 1588 support - making it appropriate for entry-level industrial controllers where deterministic time synchronization is not required.
Availability
R5F571MJCDFB#V0 is available at Aetrix Electronics and suitable for industrial gateways, smart energy meters, programmable logic controllers, and automotive diagnostic tools requiring stable component supply and long-term lifecycle assurance.
Supply support for R5F571MJCDFB#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 industrial, automotive, and IoT markets.
The RX71M Group targets high-performance industrial automation applications, integrating real-time control, secure connectivity, and functional safety features into a single chip for next-generation edge intelligence.
FAQ
What is the maximum operating frequency and CPU architecture of the R5F571MJCDFB#V0?
The R5F571MJCDFB#V0 features a 32-bit RXv2 CPU core with a maximum operating frequency of 240 MHz, delivering 480 DMIPS performance. Its CISC Harvard architecture includes a 5-stage pipeline, variable-length instructions, and support for IEEE-754 single-precision floating-point operations - enabling high-efficiency real-time control and signal processing in the R5F571MJCDFB#V0.
Does the R5F571MJCDFB#V0 support IEEE 1588 Precision Time Protocol?
Yes, the R5F571MJCDFB#V0 integrates a dedicated IEEE 1588-compliant PTP controller (EPTPCa) linked to both Ethernet MACs. This hardware-accelerated timestamping engine supports sub-microsecond synchronization accuracy and is essential for time-critical applications such as distributed motion control and industrial Ethernet protocols - a core capability of the R5F571MJCDFB#V0.
How much on-chip memory does the R5F571MJCDFB#V0 include?
The R5F571MJCDFB#V0 includes 4 MB of on-chip code flash memory, 512 KB of general-purpose SRAM, 32 KB of ECC-protected RAM, and 8 KB of battery-backed standby RAM. The flash supports background programming/erasing, and the SRAM is partitioned with different wait-state behavior depending on clock domain - all confirmed specifications for the R5F571MJCDFB#V0.
What communication interfaces are integrated into the R5F571MJCDFB#V0?
The R5F571MJCDFB#V0 integrates dual IEEE 1588 Ethernet MACs, high-speed USB 2.0 with battery charging (USBAa), full-speed USB 2.0 (USBb), three CAN modules (ISO 11898-1), nine SCI channels, four SCIFA interfaces, two I²C buses, two RSPI interfaces, one QSPI, SDHI, MMCIF, and a parallel data capture unit - providing comprehensive wired connectivity for industrial and automotive applications in the R5F571MJCDFB#V0.
Is the R5F571MJCDFB#V0 qualified for functional safety standards like IEC60730?
Yes, the R5F571MJCDFB#V0 includes multiple hardware features for IEC60730 Class B compliance: oscillation-stop detection, built-in CRC calculation unit, independent watchdog timer (IWDTa) with window function, self-diagnostic A/D converter, and register write protection. These are documented in the R01DS0249EJ0120 datasheet and form part of the certified safety foundation of the R5F571MJCDFB#V0.
R5F571MJCDFB#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:
- 3MB (3M 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:
R5F571MJCDFB#V0 FAQ
1.How can I place an order for R5F571MJCDFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F571MJCDFB#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 R5F571MJCDFB#V0 reliable?
The price and inventory of R5F571MJCDFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F571MJCDFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F571MJCDFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F571MJCDFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F571MJCDFB#V0?
R5F571MJCDFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F571MJCDFB#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 R5F571MJCDFB#V0?
For technical support, including R5F571MJCDFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F571MJCDFB#V0 requirements.
6.How does Aetrix verify that R5F571MJCDFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F571MJCDFB#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 R5F571MJCDFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F571MJCDFB#V0?
All R5F571MJCDFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F571MJCDFB#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 R5F571MJCDFB#V0 part is unused and in its original packaging.
Return procedure for R5F571MJCDFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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