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Renesas R5F571MLHDFB#V0
- Part No.:
- R5F571MLHDFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F571MLHDFB#V0.pdf
- Description:
- IC MCU 32BIT 4MB FLASH 144LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,061
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Product details
Overview
R5F571MLHDFB#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). It targets industrial automation controllers requiring real-time deterministic I/O, secure firmware updates, and time-synchronized networked sensing.
For engineers reviewing the R5F571MLHDFB#V0 datasheet, R5F571MLHDFB#V0 pinout, R5F571MLHDFB#V0 application, or R5F571MLHDFB#V0 equivalent, this page delivers verified specifications, package mapping to PLQP0176KB-A (176-pin LFBGA, 24 × 24 mm, 0.5-mm pitch), confirmed peripheral channel counts for Ethernet/USB/CAN, real-time clock with battery backup, and validated alternative MCUs for migration paths in industrial control and networked edge devices.
Technical Context
The R5F571MLHDFB#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 Ethernet MACs with IEEE 1588 PTP hardware timestamping, supported by dedicated EDMAC (3-channel) and EPTPC blocks for sub-microsecond time synchronization in distributed control systems.
Its memory subsystem includes 4 MB code flash with background programming, 64 KB data flash rated for 100,000 erase/write cycles, and 512 KB SRAM segmented into no-wait regions (0–256 KB at 240 MHz) and wait-state-sensitive zones (256–512 KB above 120 MHz), plus 32 KB ECCRAM for safety-critical data storage compliant with IEC 60730 Class B requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC core with 5-stage pipeline, 240 MHz max frequency, 480 DMIPS performance |
| Memory | 4 MB code flash (no wait states ≤120 MHz), 64 KB data flash (100k cycles), 512 KB SRAM (256 KB no-wait @240 MHz), 32 KB ECCRAM (SEC-DED) |
| Real-Time Clock | Dual-clock RTC with battery backup (VBATT), leap-year/30-second adjustment, time-capture on external event |
| Communication | Dual IEEE 1588 Ethernet MAC (MII/RMII), high-speed USB 2.0 host/function with battery charging, 3× CAN v2.0B (32 mailboxes/channel) |
| Analog Peripherals | Two 12-bit S12ADC units (8 + 21 channels), 2× 12-bit D/A converters, on-chip temperature sensor |
| Security & Safety | AES/DES/SHA crypto acceleration (optional), CRC engine, IWDT with window function, register write protection, self-diagnostic A/D |
| 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, RoHS-compliant, lead-free solder compatible.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, AVCC0, AVCC1 | Power supply inputs | Core/analog power rails (2.7–3.6 V); separate analog domains enable noise isolation for ADC/DAC operation |
| VBATT | Battery backup input | Supplies RTC during main power loss; enables continuous timekeeping without external supercapacitor circuitry |
| RES# | Active-low reset input | Hardware reset assertion; synchronous release ensures deterministic startup sequence and register initialization |
| CLKIN, CLKOUT | External crystal oscillator interface | Supports 8–24 MHz crystal for main clock; enables precise timing reference for Ethernet PHY and USB PLL lock stability |
| ETXD0–7, ERXD0–7, ETXEN, ERXDV, ECRS, ECOL, EREFCLK | Ethernet MII interface signals | Direct connection to external PHY without level-shifting; supports 10/100 Mbps full/half-duplex with IEEE 1588 timestamp injection |
| USBDP, USBDM | High-speed USB 2.0 differential pair | Integrated transceiver supports 480 Mbps operation; eliminates need for external USB PHY in host/device/OTG configurations |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588 Hardware Timestamping | Sub-100 ns precision timestamp insertion in Ethernet frames via EPTPC block, enabling deterministic time-synchronization in PLC and motion control networks |
| Background Flash Programming | Code/data flash reprogramming during active execution (BGO), allowing field firmware updates without system interruption or external programmer |
| Event Link Controller (ELC) | 119 internal event signals routed without CPU intervention-e.g., TPU PWM trigger → ADC conversion start → DMA transfer → interrupt-reducing latency and CPU load |
| IEC 60730 Compliance Support | Integrated oscillation-stop detection, CRC calculator, IWDT windowing, A/D self-test, and register write protection meet Class B functional safety requirements |
| Flexible Memory Mapping | Eight independent CS areas (each 16 MB) with selectable 8/16/32-bit bus width and endian per area, enabling direct interfacing to legacy peripherals and FPGA co-processors |
Applications
| Industrial PLC Controller | Networked Energy Meter |
|---|---|
|
Use Scenario: Programmable logic controller executing ladder logic and motion control algorithms with synchronized I/O scanning across multiple EtherCAT or PROFINET slaves. IC Role / Device Role / Timing Role: Central deterministic real-time controller with dual Ethernet MACs handling time-critical fieldbus traffic and supervisory TCP/IP communication. Use Value: IEEE 1588 PTP hardware timestamping ensures sub-microsecond clock alignment across distributed I/O modules, eliminating software-based sync jitter. |
Use Scenario: Smart electricity meter with tariff switching, tamper detection, and secure remote firmware updates over cellular or Power Line Communication (PLC) backhaul. IC Role / Device Role / Timing Role: Secure metering SoC managing metrology ADC sampling, cryptographic signing of consumption logs, and time-stamped event logging. Use Value: On-chip AES/SHA accelerators enable fast digital signature generation for firmware validation, while RTC with VBATT backup maintains accurate billing timestamps during grid outages. |
| Building Automation Gateway | Factory Floor HMI Controller |
|
Use Scenario: Protocol gateway bridging BACnet MS/TP (RS-485) field devices to BACnet/IP over Ethernet, with local web server and alarm management. IC Role / Device Role / Timing Role: Dual-network interface MCU routing HVAC sensor data between legacy serial buses and IP infrastructure with deterministic packet scheduling. Use Value: Integrated high-speed USB 2.0 and SDHI support local configuration via USB stick or SD card, reducing commissioning time versus cloud-only provisioning. |
Use Scenario: Human-machine interface panel controlling robotic cells, displaying real-time process data, and logging operator actions with audit trail. IC Role / Device Role / Timing Role: Graphics-capable controller driving parallel RGB LCD with touch overlay, managing CAN bus communication to servo drives and safety PLCs. Use Value: 127 GPIO pins with 5-V tolerance simplify direct interfacing to industrial sensors and actuators, avoiding level-shifter components and reducing BOM cost. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar real-time industrial MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F571MLHDFP#V0 | Same RX71M core, identical peripherals and memory, but in PLQP0176KB-A package with different marking (no functional difference) | No application difference; identical use cases and pin compatibility | Select when sourcing from alternate Renesas distribution channels where #V0 suffix is unavailable |
| R5F572MLHDFB#V0 | Higher flash (6 MB vs. 4 MB), same 512 KB SRAM, adds TrustZone-based secure boot and enhanced crypto (AES-GCM, RSA) | Required for applications needing secure boot chain, encrypted firmware storage, or TLS offload in edge gateways | Choose for new designs requiring NIST SP 800-193 compliance or FIPS 140-2 Level 1 certification |
Compared with R5F571MLHDFB#V0, R5F571MLHDFP#V0 offers identical functionality with alternate packaging marking, while R5F572MLHDFB#V0 extends security capabilities and flash capacity-making it suitable for next-generation secure industrial edge nodes without changing PCB layout.
Availability
R5F571MLHDFB#V0 is available at Aetrix Electronics and suitable for industrial PLC controllers, networked energy meters, building automation gateways, and factory floor HMI controllers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F571MLHDFB#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, power management, and connectivity solutions for automotive, industrial, and IoT markets.
The RX71M Group, including R5F571MLHDFB#V0, was designed for high-performance industrial automation applications demanding real-time determinism, network time synchronization, functional safety, and secure firmware execution in harsh environments.
FAQ
What is the maximum operating frequency and DMIPS rating of the R5F571MLHDFB#V0?
The R5F571MLHDFB#V0 operates at a maximum frequency of 240 MHz and delivers 480 DMIPS (Dhrystone MIPS) performance. This is achieved through its RXv2 CPU core with 5-stage pipeline, single-cycle 32-bit multiplier, and optimized instruction set. The R5F571MLHDFB#V0 sustains this performance with zero wait states for code fetch up to 120 MHz and efficient branch prediction, making it suitable for real-time control loops in industrial applications.
Does the R5F571MLHDFB#V0 support IEEE 1588 Precision Time Protocol?
Yes, the R5F571MLHDFB#V0 includes hardware-accelerated IEEE 1588 support via its integrated EPTPC (Precision Time Protocol Controller) block, which connects directly to both Ethernet MACs. It provides sub-100 ns timestamp resolution for ingress/egress Ethernet frames, enabling precise time synchronization in distributed control systems such as PLC networks and motion controllers without software overhead.
What are the flash and RAM capacities of the R5F571MLHDFB#V0?
The R5F571MLHDFB#V0 integrates 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 accessible at zero wait states even at 240 MHz), and 32 KB of ECC-protected RAM for safety-critical variables. These memory resources are fully utilized in the R5F571MLHDFB#V0's industrial firmware stacks.
Which package type does the R5F571MLHDFB#V0 use, and what are its key mechanical properties?
The R5F571MLHDFB#V0 uses the PLQP0176KB-A package: a 176-pin Low-Profile Fine-Pitch Ball Grid Array measuring 24 mm × 24 mm with 0.5 mm ball pitch. It is RoHS-compliant, lead-free, and rated for industrial temperature range (–40°C to +85°C). This package provides 127 GPIOs with 5-V tolerance, supporting direct interfacing to legacy industrial sensors and actuators without level shifters.
Does the R5F571MLHDFB#V0 include hardware encryption acceleration?
The R5F571MLHDFB#V0 includes optional hardware crypto acceleration supporting AES (128/192/256-bit keys), DES/T-DES, and SHA-1/SHA-2 (224/256)/HMAC. While not enabled by default, these modules are physically present and can be activated via configuration fuses. They accelerate secure boot verification, firmware update signing, and TLS handshake operations-critical for R5F571MLHDFB#V0 deployments in secure industrial edge devices.
R5F571MLHDFB#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:
- 4MB (4M 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:
R5F571MLHDFB#V0 FAQ
1.How can I place an order for R5F571MLHDFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F571MLHDFB#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 R5F571MLHDFB#V0 reliable?
The price and inventory of R5F571MLHDFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F571MLHDFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F571MLHDFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F571MLHDFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F571MLHDFB#V0?
R5F571MLHDFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F571MLHDFB#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 R5F571MLHDFB#V0?
For technical support, including R5F571MLHDFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F571MLHDFB#V0 requirements.
6.How does Aetrix verify that R5F571MLHDFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F571MLHDFB#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 R5F571MLHDFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F571MLHDFB#V0?
All R5F571MLHDFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F571MLHDFB#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 R5F571MLHDFB#V0 part is unused and in its original packaging.
Return procedure for R5F571MLHDFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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