Renesas R5F571MJGGFB#V0
- Part No.:
- R5F571MJGGFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F571MJGGFB#V0.pdf
- Description:
- IC MCU 32BIT 3MB FLASH 144LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,820
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Product details
Overview
R5F571MJGGFB#V0 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 CAN v2.0B - deployed in industrial gateways requiring deterministic real-time control, secure firmware updates, and multi-protocol connectivity.
For engineers reviewing the R5F571MJGGFB#V0 datasheet, R5F571MJGGFB#V0 pinout, R5F571MJGGFB#V0 application, or R5F571MJGGFB#V0 equivalent, key selection criteria include 177-pin TFLGA package compatibility, dual Ethernet + USB HS + CAN triple interface concurrency, 240-MHz real-time execution with FPU, and IEC 60730 safety support for Class B certification.
Technical Context
The R5F571MJGGFB#V0 implements the RXv2 core with Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code density. It integrates dual Ethernet MACs (10/100 Mbps), IEEE 1588 PTP controller (EPTPCa), and dedicated EDMAC channels (3 total) to offload timestamped frame handling without CPU intervention.
Its clock system supports independent domain scaling: ICLK up to 240 MHz for CPU/SRAM, PCLKA up to 120 MHz for Ethernet/USB/AES, and PCLKB up to 60 MHz for timers/ADC. The device includes hardware-accelerated AES-128/192/256, SHA-1/224/256, and HMAC for secure boot and OTA update integrity verification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC with 5-stage pipeline, 480 DMIPS @ 240 MHz - enables deterministic real-time task scheduling in motion control loops. |
| Flash Memory | 4 MB code flash with zero-wait access ≤120 MHz and background programming - supports field-upgradable firmware without runtime interruption. |
| SRAM | 512 KB general SRAM (256 KB at 240 MHz, 256 KB at ≤120 MHz) + 32 KB ECC RAM - ensures data integrity for critical control variables and fault logging. |
| Ethernet Interface | Dual IEEE 802.3 10/100 Mbps MAC with IEEE 1588 PTP hardware timestamping - delivers sub-microsecond time synchronization for distributed PLC systems. |
| USB Interface | High-speed USB 2.0 (480 Mbps) with integrated PHY and battery charging detection - enables direct connection to industrial HMIs and firmware provisioning via USB host. |
| CAN Channels | Three ISO 11898-1 compliant CAN modules (32 mailboxes each) - supports concurrent CAN FD-capable networks for motor drives and sensor fusion. |
| A/D Converter | Two 12-bit S12ADC units (8 + 21 channels), 0.48 µs conversion time - provides high-resolution analog acquisition for current/voltage sensing in power electronics. |
Pinout & Package
Package: PTLP0177KA-A (177-pin TFLGA, 8 mm × 8 mm, 0.5 mm pitch, 0.75 mm height).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, AVCC0, AVCC1 | Power supply inputs | Separate digital/analog domains enable noise isolation for ADC and real-time control logic. |
| VBATT | Battery backup supply | Retains RTC operation during main power loss - essential for time-stamped event logging in unattended equipment. |
| ETXD0–7, ETXCK, ETRD0–7, ERXCK | Ethernet MII interface | Direct connection to external PHY without level-shifting - simplifies 10/100 Mbps industrial Ethernet design. |
| USBDP/USBDM | USB 2.0 high-speed differential pair | Integrated transceiver eliminates external PHY - reduces BOM cost and PCB area for USB host functionality. |
| CANH/CANL (CH0–CH2) | CAN bus differential signals | Three independent CAN physical interfaces support redundant communication or multi-bus topology in factory automation. |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588 PTP Hardware Acceleration | Hardware timestamp insertion/removal on Ethernet frames - eliminates software jitter for sub-1 µs time synchronization accuracy. |
| IEC 60730 Safety Support | Oscillation-stop detection, CRC calculation unit, IWDTa with window function, and A/D self-diagnostic - enables Class B compliance without external safety monitors. |
| Event Link Controller (ELC) | 119 internal event sources routed without CPU involvement - enables deterministic trigger chaining (e.g., timer overflow → ADC start → DMA transfer). |
| Secure Cryptographic Engine | Dedicated AES/SHA/HMAC accelerators with key storage - performs secure boot signature verification in <50 ms, independent of CPU load. |
| SDHI + MMCIF Dual Card Interface | Independent SD memory and eMMC support with 1-/4-/8-bit bus widths - allows simultaneous firmware storage (SD) and data logging (eMMC) in edge devices. |
Applications
| Industrial Ethernet Gateway | Programmable Logic Controller (PLC) |
|---|---|
|
Use Scenario: Aggregating Modbus TCP, EtherNet/IP, and PROFINET traffic across multiple fieldbus segments in smart manufacturing cells. IC Role / Device Role / Timing Role: Primary application processor executing real-time OS, managing dual Ethernet MACs with hardware PTP, and routing protocol stacks. Use Value: Sub-microsecond time synchronization enables deterministic cycle times across distributed I/O nodes - meeting IEC 61158 Class A timing requirements. |
Use Scenario: Compact standalone PLC controlling servo axes, pneumatic valves, and safety interlocks in packaging machinery. IC Role / Device Role / Timing Role: Real-time controller running ladder logic with 100 µs scan cycles, using MTU3 PWM outputs and CAN for actuator feedback. Use Value: Integrated 32-channel CAN mailboxes and 29 extended timers eliminate external glue logic - reducing board count and failure points. |
| Secure Firmware Update Hub | Energy Metering Gateway |
|
Use Scenario: Field-deployed gateway performing authenticated, encrypted over-the-air updates for connected HVAC controllers and lighting nodes. IC Role / Device Role / Timing Role: Secure boot root-of-trust, AES-256 decryption engine, and dual flash banks enabling atomic firmware swap. Use Value: Hardware cryptographic acceleration cuts OTA update verification time by 8× versus software-only implementation - minimizing downtime. |
Use Scenario: Smart grid endpoint collecting voltage/current harmonics, temperature, and tamper events across 3-phase distribution lines. IC Role / Device Role / Timing Role: High-precision analog front-end controller with dual 12-bit ADCs, RTC with battery backup, and isolated CAN/RS485 interfaces. Use Value: On-chip 0.48 µs ADC conversion + 32 KB ECC RAM ensures accurate energy calculation under transient grid conditions - meeting IEC 62053-22 Class 0.5S. |
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 |
|---|---|---|---|
| R5F571MLGGB#V0 | Same RX71M core, 2.5 MB flash, 176-pin LFBGA (13 × 13 mm), no USB HS PHY - only FS USB supported. | Lacks high-speed USB 2.0 and second Ethernet MAC - suitable for cost-sensitive gateways without HMI provisioning. | Select when footprint size and USB speed are secondary to BOM cost reduction in fixed-function gateways. |
| R5F572MHGFB#V0 | RX72M series successor: 400 MHz CPU, 4 MB flash, single Ethernet MAC, added MIPI DSI, no USB HS - 177-pin TFLGA compatible. | Higher CPU performance but reduced peripheral concurrency - optimized for vision-enabled HMIs rather than multi-protocol bridging. | Choose for next-gen designs requiring AI inference acceleration where Ethernet+CAN+USB HS concurrency is not required. |
Compared with R5F571MJGGFB#V0, R5F571MLGGB#V0 trades USB HS and dual Ethernet for lower cost and smaller footprint, while R5F572MHGFB#V0 upgrades CPU throughput but sacrifices one Ethernet channel and USB HS - making R5F571MJGGFB#V0 optimal for legacy-compatible, multi-protocol industrial gateways demanding full feature parity.
Availability
R5F571MJGGFB#V0 is available at Aetrix Electronics and suitable for industrial gateways, programmable logic controllers, secure firmware update hubs, and energy metering gateways requiring stable component supply across long product lifecycles.
Supply support for R5F571MJGGFB#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 is a global semiconductor leader specializing in microcontrollers, analog, and power management ICs for industrial, automotive, and infrastructure markets.
The RX71M Group targets high-reliability industrial applications requiring real-time determinism, functional safety, and multi-protocol connectivity - designed specifically for PLCs, HMIs, and protocol gateways operating in harsh environments.
FAQ
What is the maximum operating frequency and CPU architecture of the R5F571MJGGFB#V0?
The R5F571MJGGFB#V0 operates at a maximum frequency of 240 MHz using the 32-bit RXv2 CPU core with Harvard architecture and 5-stage pipeline. It delivers 480 DMIPS performance and includes single-precision IEEE-754 floating-point unit, two multiply-accumulate units, and 32-bit multiplier with one-cycle execution - enabling high-throughput signal processing in industrial control applications.
Does the R5F571MJGGFB#V0 support IEEE 1588 Precision Time Protocol?
Yes, the R5F571MJGGFB#V0 includes a dedicated PTP controller (EPTPCa) compliant with IEEE 1588-2008, tightly coupled to its dual Ethernet MACs. Hardware timestamping is performed on ingress/egress Ethernet frames with sub-microsecond resolution - eliminating software-induced jitter and enabling precise time synchronization for distributed control systems.
What are the memory resources available on the R5F571MJGGFB#V0?
The R5F571MJGGFB#V0 integrates 4 MB of on-chip code flash memory with background programming capability, 512 KB of general-purpose SRAM (256 KB accessible at 240 MHz), 32 KB of ECC-protected RAM for critical data, and 8 KB of battery-backed standby RAM. Its data flash provides 64 KB reprogrammable up to 100,000 times - supporting robust firmware updates and parameter storage.
Which communication interfaces does the R5F571MJGGFB#V0 support for industrial networking?
The R5F571MJGGFB#V0 supports dual IEEE 802.3 10/100 Mbps Ethernet MACs with MII/RMII, high-speed USB 2.0 (480 Mbps) with integrated PHY and battery charging detection, three ISO 11898-1 CAN modules (32 mailboxes each), four SCIFA serial interfaces with 16-byte FIFOs, two I²C buses (up to 1 Mbps), and quad SPI - enabling seamless integration into heterogeneous industrial networks.
How does the R5F571MJGGFB#V0 meet IEC 60730 Class B safety requirements?
The R5F571MJGGFB#V0 includes hardware features required for IEC 60730 Class B compliance: oscillation-stop detection, independent watchdog timer (IWDTa) with window function, CRC calculation unit, A/D converter self-diagnostic, register write protection, and memory protection unit (MPU). These capabilities allow certified safety firmware to verify system integrity without external components.
R5F571MJGGFB#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:
- 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 29x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F571MJGGFB#V0 FAQ
1.How can I place an order for R5F571MJGGFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F571MJGGFB#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 R5F571MJGGFB#V0 reliable?
The price and inventory of R5F571MJGGFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F571MJGGFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F571MJGGFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F571MJGGFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F571MJGGFB#V0?
R5F571MJGGFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F571MJGGFB#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 R5F571MJGGFB#V0?
For technical support, including R5F571MJGGFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F571MJGGFB#V0 requirements.
6.How does Aetrix verify that R5F571MJGGFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F571MJGGFB#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 R5F571MJGGFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F571MJGGFB#V0?
All R5F571MJGGFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F571MJGGFB#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 R5F571MJGGFB#V0 part is unused and in its original packaging.
Return procedure for R5F571MJGGFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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