Renesas R5F571MFGGFB#V0
- Part No.:
- R5F571MFGGFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F571MFGGFB#V0.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 144LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F571MFGGFB#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 (3 channels), and dual 12-bit A/D converters - deployed in industrial gateways requiring real-time protocol handling, secure firmware updates, and deterministic network timing.
For engineers reviewing the R5F571MFGGFB#V0 datasheet, R5F571MFGGFB#V0 pinout, R5F571MFGGFB#V0 application, or R5F571MFGGFB#V0 equivalent, key selection criteria include IEEE 1588 PTP hardware timestamping accuracy, dual Ethernet channel isolation, 240-MHz real-time interrupt latency, and integrated AES/SHA crypto acceleration for secure boot and OTA updates.
Technical Context
The R5F571MFGGFB#V0 implements the RXv2 CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions - enabling ultra-compact code density and deterministic execution. It integrates dual independent Ethernet controllers (ETHERC) each with dedicated EDMAC channels and EPTPC blocks compliant with IEEE 1588-2008 for hardware timestamping and master/slave clock synchronization.
Its memory subsystem includes 4 MB code flash with background programming, 64 KB data flash rated for 100,000 erase/write cycles, and segmented SRAM: 256 KB zero-wait at 240 MHz (0000_0000h–0003_FFFFh), plus 32 KB ECCRAM supporting SEC-DED error correction. Clock domains are fully decoupled - ICLK (240 MHz), PCLKA (120 MHz for Ethernet/USB/AES), PCLKB (60 MHz for timers/I/O), and ADCLK (60 MHz per A/D unit).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC core with 5-stage pipeline, 480 DMIPS @ 240 MHz - enables hard real-time control loops with sub-1µs interrupt latency. |
| Flash Memory | 4 MB code flash with zero-wait access ≤120 MHz and background programming - supports field firmware updates without system halt. |
| Ethernet Interface | Dual IEEE 1588-compliant MAC + EPTPC + 3-channel EDMAC - delivers hardware timestamping resolution ≤50 ns and PTP slave jitter <100 ns. |
| USB Interface | High-speed USB 2.0 host/function with battery charging (USBAa) + full-speed USB 2.0 (USBb) - enables simultaneous device enumeration and power delivery negotiation. |
| A/D Converter | Dual 12-bit S12ADC units (8 + 21 channels), 0.48 µs conversion time - supports synchronized sampling across units for motor current/voltage monitoring. |
| Crypto Engine | Hardware AES-128/192/256, DES/TDES, SHA-1/224/256, HMAC - accelerates TLS handshake and secure boot verification in <10 ms. |
| Operating Temp | –40°C to +105°C (G-version) - qualified for under-hood automotive gateway and industrial PLC environments. |
| Package | 176-pin LFBGA (PLQP0176KB-A), 24 × 24 mm, 0.5-mm pitch - supports high-density routing for dual Ethernet PHY interfaces and DDR memory expansion. |
Pinout & Package
Package: PLQP0176KB-A - 176-pin Low-Profile Fine-Pitch Ball Grid Array, 24 mm × 24 mm, 0.5 mm ball pitch, RoHS-compliant, lead-free matte tin finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, AVCC0, AVCC1 | Power supply inputs | Separate analog/digital domains enable noise isolation for A/D and RTC; 2.7–3.6 V operation supports wide-input industrial power rails. |
| ETH0_TXD0–3, ETH0_RXD0–3 | Ethernet MAC interface signals | Dedicated 8-bit MII bus for first Ethernet channel - allows direct connection to external PHY without level-shifting or glue logic. |
| ETH1_TXD0–3, ETH1_RXD0–3 | Ethernet MAC interface signals | Second independent MII bus - enables redundant network paths or time-sensitive networking (TSN) traffic segregation. |
| USBA_VBUS, USBA_DP, USBA_DM | USB 2.0 HS transceiver interface | Integrated high-speed PHY eliminates need for external USB transceiver; VBUS sensing enables battery charging detection per BC1.2 spec. |
| AD00–AD07, AD10–AD30 | Analog input channels | Two independent A/D units with separate clock domains (PCLKC/PCLKD) - support simultaneous sampling of motor phase currents and DC-link voltage. |
| MTU3A_TIOA0–7, MTU3A_TIOC0–7 | PWM output and capture pins | Hardware-complementary PWM generation with programmable dead time - directly drives 3-phase inverter gate drivers with <10 ns skew. |
| IRQ0–IRQ15 | External interrupt inputs | 16 dedicated edge-triggered pins with digital filtering - used for encoder Z-phase capture, safety stop signals, or emergency shutdown inputs. |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588 Hardware Timestamping | EPTPC block provides sub-50 ns timestamp resolution and hardware PTP event message matching - eliminates software-induced jitter in time-critical motion control. |
| Dual Independent Ethernet MACs | Each ETHERC has dedicated EDMAC channels and MII/RMII interface - enables concurrent TSN traffic scheduling and legacy EtherNet/IP communication without CPU intervention. |
| Background Flash Programming | BGO (Background Operation) allows code flash erase/write while executing from other memory regions - essential for fail-safe over-the-air firmware updates. |
| Secure Boot with Crypto Acceleration | On-chip AES/SHA engine verifies signed firmware images in hardware before execution - reduces secure boot time to <15 ms and prevents rollback attacks. |
| Real-Time Interrupt Latency | Fast interrupt response (≤12 CPU cycles) with priority levels up to 16 - guarantees deterministic handling of encoder interrupts at 100 kHz update rates. |
| Temperature-Compensated RTC | On-die temperature sensor calibrates RTC drift; battery-backed operation via VBATT pin maintains timekeeping during main power loss - meets IEC 62443-3-3 timestamp requirements. |
Applications
| Industrial Ethernet Gateway | Automotive Domain Controller |
|---|---|
Use Scenario: Aggregating Modbus TCP, PROFINET, and EtherCAT traffic into unified TSN backbone for factory automation. IC Role / Device Role / Timing Role: Dual Ethernet MACs act as protocol translation bridges with IEEE 1588 hardware timestamping for sub-microsecond clock synchronization across heterogeneous networks. Use Value: Eliminates external FPGA-based timing bridges; reduces BOM cost by $4.20/unit while achieving <200 ns PTP slave jitter per port. | Use Scenario: Centralized vehicle domain controller managing ADAS camera feeds, radar preprocessing, and OTA update orchestration. IC Role / Device Role / Timing Role: High-speed USB 2.0 HS interface handles camera raw data streaming; crypto engine validates signed firmware packages prior to flash update. Use Value: Enables concurrent 480 Mbps camera ingestion and secure OTA update verification - cuts total update time by 63% vs. software-only crypto. |
| Energy Management System | Programmable Logic Controller |
Use Scenario: Solar inverter controller performing grid-synchronization, anti-islanding detection, and energy metering via CT/PT sensors. IC Role / Device Role / Timing Role: Dual 12-bit A/D converters sample AC voltage/current simultaneously; MTU3 timers generate precise PWM for IGBT gate driving. Use Value: 0.48 µs per-channel A/D conversion enables 20 kHz switching frequency control with 12-bit resolution - meets IEC 61000-3-12 harmonic compliance. | Use Scenario: Compact PLC executing ladder logic with motion control, safety I/O monitoring, and HMI communication via Ethernet/IP. IC Role / Device Role / Timing Role: 240 MHz RXv2 core executes 10 k-step ladder logic in <100 µs; 127 GPIO pins support configurable safety-rated inputs/outputs. Use Value: Integrated safety features (IWDTa, register write protection, CRC) reduce certification effort for SIL2 applications by eliminating external watchdog ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F571MLDFB#V0 | Same RX71M family, 2.5 MB flash, 384 KB SRAM, identical 176-pin LFBGA package and peripheral set - differs only in memory configuration. | Suitable for cost-optimized designs where 4 MB flash is unnecessary; retains full Ethernet/USB/CAN feature parity. | Select when firmware image size is <2 MB and BOM cost reduction is prioritized over future-proofing. |
| R5F572MFHFB#V0 | RX72M family successor: 400 MHz CPU, 8 MB flash, enhanced security (TRNG, secure debug lock), but different pinout (216-pin LFBGA) and no backward-compatible software migration path. | Targeted at next-gen applications requiring higher compute throughput and PSA Level 3 certification - not a drop-in replacement. | Choose only for new designs demanding >400 DMIPS or PSA Certified silicon; requires PCB redesign and full firmware revalidation. |
Compared with R5F571MFGGFB#V0, the R5F571MLDFB#V0 offers identical real-time performance and peripheral integration at lower memory cost, while the R5F572MFHFB#V0 delivers higher compute headroom and advanced security at the expense of pin compatibility and software continuity - making R5F571MFGGFB#V0 optimal for established industrial gateway platforms needing proven reliability and long-term supply stability.
Availability
R5F571MFGGFB#V0 is available at Aetrix Electronics and suitable for industrial gateways, automotive domain controllers, energy management systems, and programmable logic controllers requiring stable component supply, extended temperature operation, and long-lifecycle support.
Supply support for R5F571MFGGFB#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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications - with annual revenue exceeding $10 billion and design centers across Japan, Europe, and North America.
The RX71M Group targets high-performance industrial connectivity applications, integrating dual Ethernet, high-speed USB, and real-time crypto acceleration to replace FPGA+MCU combinations in protocol gateways and edge controllers.
FAQ
What is the maximum operating frequency and DMIPS rating of the R5F571MFGGFB#V0?
The R5F571MFGGFB#V0 operates at a maximum frequency of 240 MHz and delivers 480 DMIPS (Dhrystone MIPS) performance. This is achieved through its optimized RXv2 CPU core with 5-stage pipeline and single-cycle 32-bit multiply instruction - enabling deterministic execution of complex control algorithms in industrial motion applications. The R5F571MFGGFB#V0 sustains this performance across its full temperature range (–40°C to +105°C).
Does the R5F571MFGGFB#V0 support IEEE 1588 Precision Time Protocol hardware timestamping?
Yes, the R5F571MFGGFB#V0 integrates two independent EPTPC (Ethernet Precision Time Protocol Controller) blocks, one per Ethernet MAC channel, compliant with IEEE 1588-2008. Each EPTPC provides hardware timestamping with ≤50 ns resolution, PTP event message matching, and synchronization to external grandmaster clocks - critical for time-sensitive networking in industrial automation. The R5F571MFGGFB#V0 does not require external timestamping ICs.
What are the flash and RAM capacities of the R5F571MFGGFB#V0?
The R5F571MFGGFB#V0 includes 4 MB of on-chip code flash memory with background programming capability, 64 KB of reprogrammable data flash (rated for 100,000 erase/write cycles), 512 KB of general-purpose SRAM (with 256 KB zero-wait at 240 MHz), 32 KB of ECC-protected RAM (SEC-DED), and 8 KB of battery-backed standby RAM. These memory resources are fully accessible to the R5F571MFGGFB#V0's RXv2 core without wait states under specified clock conditions.
Which USB standards and speeds does the R5F571MFGGFB#V0 support?
The R5F571MFGGFB#V0 supports two USB interfaces: USBAa (high-speed USB 2.0 host/function with battery charging) operating at 480 Mbps, and USBb (full-speed USB 2.0 host/function) operating at 12 Mbps. Both include integrated transceivers, eliminating external PHY components. The R5F571MFGGFB#V0 also supports OTG operation and complies with USB Battery Charging Specification v1.2 for automatic charger detection.
How many Ethernet MAC interfaces does the R5F571MFGGFB#V0 integrate, and what PHY interfaces are supported?
The R5F571MFGGFB#V0 integrates two independent Ethernet MAC controllers (ETHERC), each supporting MII and RMII physical layer interfaces per IEEE 802.3u. Each MAC connects to its own dedicated EDMAC and EPTPC block. The R5F571MFGGFB#V0 does not include integrated PHYs - external 10/100 Mbps PHYs (e.g., LAN8720A) must be connected via MII/RMII signals routed from the R5F571MFGGFB#V0's dedicated ETH0/ETH1 pin groups.
R5F571MFGGFB#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:
R5F571MFGGFB#V0 FAQ
1.How can I place an order for R5F571MFGGFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F571MFGGFB#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 R5F571MFGGFB#V0 reliable?
The price and inventory of R5F571MFGGFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F571MFGGFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F571MFGGFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F571MFGGFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F571MFGGFB#V0?
R5F571MFGGFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F571MFGGFB#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 R5F571MFGGFB#V0?
For technical support, including R5F571MFGGFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F571MFGGFB#V0 requirements.
6.How does Aetrix verify that R5F571MFGGFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F571MFGGFB#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 R5F571MFGGFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F571MFGGFB#V0?
All R5F571MFGGFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F571MFGGFB#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 R5F571MFGGFB#V0 part is unused and in its original packaging.
Return procedure for R5F571MFGGFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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