Renesas R5F571MFHDLC#20
- Part No.:
- R5F571MFHDLC#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 177-TFLGA
- Datasheet:
-
R5F571MFHDLC#20.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 177TFLGA
- Quantity:
- Payment:

- Shipping:

Inventory:319
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Product details
Overview
R5F571MFHDLC#20 from Renesas is a 32-bit RXv2 microcontroller operating at up to 240 MHz, delivering 480 DMIPS with integrated single-precision IEEE-754 FPU, 4 MB on-chip code flash, 512 KB SRAM (including 32 KB ECC RAM), and dual 12-bit A/D converters (8 + 21 channels). It serves as a high-integration control and connectivity hub in industrial Ethernet gateways requiring real-time deterministic processing, IEEE 1588 time synchronization, and secure firmware updates.
For engineers reviewing the R5F571MFHDLC#20 datasheet, R5F571MFHDLC#20 pinout, R5F571MFHDLC#20 application, or R5F571MFHDLC#20 equivalent, key selection considerations include its 176-pin LFBGA package (PLQP0176KB-A), dual Ethernet MAC support, high-speed USB 2.0 with battery charging, CAN v2.0B compliance, and hardware AES/SHA encryption - all validated for IEC 60730 Class B functional safety.
Technical Context
The R5F571MFHDLC#20 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code density. Its memory subsystem includes 4 MB code flash with zero-wait access ≤120 MHz, 64 KB data flash rated for 100,000 erase/write cycles, and 512 KB SRAM partitioned into no-wait (256 KB) and conditional-wait (256 KB) regions based on ICLK frequency.
Peripherals are clocked across four domains: ICLK (up to 240 MHz for CPU), PCLKA (up to 120 MHz for ETHERC, USBA, AES), PCLKB (up to 60 MHz for timers, SCI, RIIC), and PCLKC/PCLKD (60 MHz for dual S12AD units). The ELC (Event Link Controller) enables direct hardware interconnection of 119 internal events - e.g., TPUa output compare triggering S12AD conversion - eliminating CPU intervention for time-critical signal chains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC core with 5-stage pipeline, 480 DMIPS @ 240 MHz, IEEE-754 FPU, MPU support |
| Memory | 4 MB code flash (0-wait ≤120 MHz), 64 KB data flash (100k cycles), 512 KB SRAM (256 KB no-wait), 32 KB ECCRAM (SEC-DED) |
| Timers | 29 total: TPUa (6×16-bit), MTU3a (9×16/32-bit), GPTA (4×16-bit), CMT/CMTW (8×16/32-bit), IWDTa (14-bit independent watchdog) |
| Connectivity | Dual IEEE 1588-compliant Ethernet MAC (MII/RMII), USBAa (HS USB 2.0 + BC1.2), CAN ×3 (32 mailboxes/channel), QSPI ×1, SDHI ×1, MMCIF ×1 |
| Analog | S12AD ×2: Unit 0 (8 ch, 0.48 µs/ch @12-bit), Unit 1 (21 ch), self-diagnostic, disconnection detection; D/A ×2 (12-bit) |
| Security & Safety | AES-128/192/256, DES/TDES, SHA-1/224/256, HMAC, IEC 60730-compliant oscillation detection, CRC, register write protection |
| Package | PLQP0176KB-A: 176-pin LFBGA, 24 mm × 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, lead-free, RoHS compliant. Thermal pad exposed on underside for enhanced heat dissipation in industrial ambient conditions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / AVCC0 / AVCC1 | Core & analog power supply | 2.7–3.6 V main supply; separate analog domains enable noise isolation for S12AD precision |
| VBATT | Battery backup input | Supplies RTC during main power loss; supports calendar/clock retention without external capacitor |
| XTAL / EXTAL | Main crystal oscillator interface | Supports 8–24 MHz external crystal for precise system timing and IEEE 1588 PTP reference |
| ETXD0–7 / ERXD0–7 | Ethernet MAC data bus | 8-bit parallel MII interface per channel; enables dual independent 10/100 Mbps Ethernet links |
| USBDP / USBDM | High-speed USB 2.0 differential pair | Integrated transceiver supports 480 Mbps operation; eliminates need for external PHY in USBAa mode |
| CANH / CANL | CAN bus differential outputs | Three independent CAN controllers; each supports ISO 11898-1 standard/extended frames and 32 mailboxes |
| QSPI_IO0–3 | Quad SPI data lines | Enables x4 read throughput from serial flash; supports single/dual/quad I/O modes for boot and firmware storage |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588 Precision Time Protocol Engine | Hardware-accelerated timestamping in EPTPCa block synchronized to ETHERC; enables sub-microsecond time alignment across distributed industrial nodes |
| Event Link Controller (ELC) | Direct hardware routing of 119 internal signals (e.g., TPUa PWM edge → S12AD trigger); eliminates interrupt latency and CPU overhead in closed-loop control |
| IEC 60730 Safety Support | On-chip oscillation-stop detection, CRC calculator, IWDTa windowed watchdog, A/D self-test, and register lock bits - certified for Class B compliance without external components |
| Secure Boot & Firmware Updates | Trusted Memory (TM) blocks 8–9 protect bootloader; AES/SHA engines enable authenticated, encrypted OTA updates directly in ROM-resident firmware |
| Flexible Power Management | Four low-power modes (Sleep, All-Module Stop, Software Standby, Deep Software Standby); RTC remains active on VBATT while CPU and peripherals fully powered down |
Applications
| Industrial Ethernet Gateway | Smart Energy Meter Hub |
|---|---|
|
Use Scenario: Aggregating Modbus TCP, CANopen, and BACnet MS/TP traffic across multiple field buses into unified IEEE 802.3 networks with time-synchronized logging. IC Role / Device Role / Timing Role: Primary protocol translator and real-time scheduler; IEEE 1588 PTP engine maintains <1 µs clock skew across substation IEDs. Use Value: Dual Ethernet MACs enable redundant LAN uplinks; hardware CRC and ELC-driven frame pre-processing reduce CPU load by >40% vs. software-only stacks. |
Use Scenario: Multi-tenant energy metering platform collecting voltage/current harmonics, tariff switching, and tamper detection across 32+ endpoints via RS485 and PLC. IC Role / Device Role / Timing Role: Secure data concentrator with AES-256 encryption; RTC with leap-year compensation ensures accurate billing cycle alignment. Use Value: Dual S12AD units acquire 29-channel analog inputs simultaneously; on-chip temperature sensor compensates ADC gain drift over –40°C to +85°C range. |
| Programmable Logic Controller (PLC) CPU Module | Medical Infusion Pump Controller |
|
Use Scenario: Deterministic motion control in compact PLCs handling servo drives, safety I/O, and HMI communication over EtherCAT or PROFINET. IC Role / Device Role / Timing Role: Real-time execution host for IEC 61131-3 logic; MTU3a complementary PWM outputs drive 3-phase inverters with programmable dead-time. Use Value: POE3a hardware protects against shoot-through faults; ELC-triggered A/D sampling synchronizes current feedback to PWM edges for <500 ns jitter. |
Use Scenario: FDA-cleared infusion pump managing motor control, pressure sensing, air-in-line detection, and wireless telemetry to hospital EMR systems. IC Role / Device Role / Timing Role: Safety-critical controller executing IEC 62304 Class C software; IWDTa windowed watchdog and register lock prevent unauthorized configuration changes. Use Value: 32 KB ECCRAM detects/corrects memory errors in runtime variables; self-diagnostic A/D validates sensor integrity before each dose delivery. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance industrial MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F571MLHDFP#30 | Same RX71M family, 176-pin LQFP package (PLQP0176KB-A footprint compatible), identical peripheral set and 240 MHz performance | LQFP simplifies prototyping and rework; lower thermal performance than LFBGA in sustained 240 MHz operation | Select for lab validation or cost-sensitive volume production where thermal headroom >15°C is available |
| R5F566TEADFP#30 | RX66T group; 160 MHz max, 2 MB flash, single Ethernet MAC, no IEEE 1588, no USBAa, but higher PWM resolution (32-bit GPTP) | Optimized for motor control with advanced timer features; lacks dual Ethernet and high-speed USB required for gateway roles | Select when primary requirement is servo/motor drive timing precision rather than network aggregation or secure OTA updates |
Compared with R5F571MFHDLC#20, the R5F571MLHDFP#30 offers identical functionality in an LQFP package for easier assembly, while the R5F566TEADFP#30 trades dual Ethernet and cryptographic acceleration for superior PWM timing resolution - making it suitable for motor-centric designs but not for time-synchronized multi-protocol gateways.
Availability
R5F571MFHDLC#20 is available at Aetrix Electronics and suitable for industrial Ethernet gateways, smart grid metering hubs, programmable logic controller CPU modules, and medical infusion pump controllers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F571MFHDLC#20 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, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RX71M Group - including the R5F571MFHDLC#20 - was designed specifically for industrial connectivity applications demanding real-time determinism, functional safety certification (IEC 60730), and hardware-accelerated security, with emphasis on Ethernet-based automation infrastructure.
FAQ
What is the maximum operating frequency and DMIPS rating of the R5F571MFHDLC#20?
The R5F571MFHDLC#20 operates at a maximum frequency of 240 MHz and delivers 480 DMIPS (Dhrystone Million Instructions Per Second) under benchmark conditions. This performance stems from its RXv2 CPU core with 5-stage pipeline, single-cycle 32-bit multiply, and integrated floating-point unit - all confirmed in the official R01DS0249EJ0120 datasheet Rev.1.20. The R5F571MFHDLC#20 sustains this speed across its full temperature range (–40°C to +85°C).
Does the R5F571MFHDLC#20 support IEEE 1588 Precision Time Protocol?
Yes, the R5F571MFHDLC#20 integrates a dedicated IEEE 1588-compliant PTP controller (EPTPCa) tightly coupled to both Ethernet MACs. It provides hardware timestamping of ingress/egress frames with sub-microsecond accuracy, supports PTP event message handling, and enables master/slave clock synchronization - all without CPU intervention. This capability is explicitly documented for the R5F571MFHDLC#20 in Section 1.1 and Table 1.1 of the R01DS0249EJ0120 datasheet.
How many Ethernet MAC interfaces does the R5F571MFHDLC#20 include?
The R5F571MFHDLC#20 includes two independent IEEE 802.3-compliant Ethernet MAC controllers (ETHERC), each supporting 10/100 Mbps operation in full- or half-duplex mode with MII or RMII physical layer interfaces. This dual-MAC configuration is exclusive to 176- and 177-pin RX71M variants - including the R5F571MFHDLC#20 - and is verified in the "Communication function" section (Page 7) of the R01DS0249EJ0120 datasheet.
What package type and pin count does the R5F571MFHDLC#20 use?
The R5F571MFHDLC#20 uses the PLQP0176KB-A package: a 176-pin Low-Profile Fine-Pitch Ball Grid Array with 24 mm × 24 mm body size and 0.5 mm ball pitch. This LFBGA package is specified for the D-version operating range (–40°C to +85°C) and is physically and electrically distinct from 100-, 144-, or 145-pin variants in the RX71M family. Package details appear on Page 1 of the R01DS0249EJ0120 datasheet.
Is hardware encryption available on the R5F571MFHDLC#20?
Yes, the R5F571MFHDLC#20 includes optional on-chip cryptographic accelerators supporting AES-128/192/256, DES/TDES, SHA-1/224/256, and HMAC algorithms - all accessible via dedicated peripheral registers. These engines operate independently of the CPU core, enabling secure boot, encrypted firmware updates, and TLS offload without degrading real-time performance. Feature availability is confirmed in the "Encryption (optional)" section of the R01DS0249EJ0120 datasheet.
R5F571MFHDLC#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 177-TFLGA
- Series:
- RX71M
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- 127
- 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 8x12b, 21x12b; D/A 2x12
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F571MFHDLC#20 FAQ
1.How can I place an order for R5F571MFHDLC#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F571MFHDLC#20 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 R5F571MFHDLC#20 reliable?
The price and inventory of R5F571MFHDLC#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F571MFHDLC#20 is usually 5 days.
3.What payment methods are accepted for R5F571MFHDLC#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F571MFHDLC#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F571MFHDLC#20?
R5F571MFHDLC#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F571MFHDLC#20 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 R5F571MFHDLC#20?
For technical support, including R5F571MFHDLC#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F571MFHDLC#20 requirements.
6.How does Aetrix verify that R5F571MFHDLC#20 is sourced from the original manufacturer or authorized distributors?
All R5F571MFHDLC#20 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 R5F571MFHDLC#20 meets industry standards.
7.What is the process for return or replacement of R5F571MFHDLC#20?
All R5F571MFHDLC#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F571MFHDLC#20, 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 R5F571MFHDLC#20 part is unused and in its original packaging.
Return procedure for R5F571MFHDLC#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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