Renesas R5F571MLCDFP#V0
- Part No.:
- R5F571MLCDFP#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F571MLCDFP#V0.pdf
- Description:
- IC MCU 32BIT 4MB FLASH 100LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,720
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R5F571MLCDFP#V0 from Renesas is a 32-bit RXv2 core microcontroller operating at up to 240 MHz, delivering 480 DMIPS and integrated single-precision IEEE-754 FPU. It integrates 4 MB on-chip code flash, 512 KB SRAM (including 32 KB ECC RAM), and supports IEEE 1588-compliant Ethernet MAC, CAN, high-speed USB 2.0 with battery charging, and dual SD/MMC interfaces - deployed in industrial gateways requiring deterministic real-time control and secure connectivity.
For engineers reviewing the R5F571MLCDFP#V0 datasheet, R5F571MLCDFP#V0 pinout, R5F571MLCDFP#V0 application, or R5F571MLCDFP#V0 equivalent, key selection criteria include its 176-pin LFBGA package, 240-MHz real-time performance with MPU and IEC60730 safety features, dual Ethernet MAC + PTP support, and hardware AES/SHA encryption for edge node security compliance.
Technical Context
The R5F571MLCDFP#V0 implements the RXv2 CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and memory protection unit (MPU) for embedded safety-critical execution. Its clock system combines external crystal/resonator input with internal PLL, HOCO (16/18/20 MHz), and LOCO (240 kHz) oscillators - enabling independent domain clocks: ICLK up to 240 MHz, PCLKA up to 120 MHz (for ETHERC, USBA, AES), and PCLKB up to 60 MHz (for timers, ADC, UART).
It features dual Ethernet MAC modules with integrated IEEE 1588 PTP controller (EPTPCa) and dedicated 3-channel EDMAC, supporting MII/RMII physical layer interfacing and cut-through frame transfer between channels. The device includes two CAN modules (ISO 11898-1 compliant, 32 mailboxes each), four SCIFA interfaces with 16-byte FIFOs, and hardware-accelerated cryptographic engines (AES-128/192/256, DES/TDES, SHA-1/224/256, HMAC).
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 and protocol stacks. |
| Memory | 4 MB code flash (no-wait ≤120 MHz), 64 KB data flash (100k write cycles), 512 KB SRAM (256 KB no-wait @ 240 MHz), 32 KB ECC RAM - supports robust firmware updates and fault-tolerant data logging. |
| Real-Time Peripherals | 2× Ethernet MAC + IEEE 1588 PTP controller, 3× CAN, 9× SCI/SCIg/h, 4× SCIFA, 2× USB (HS + FS), QSPI, SDHI/MMCIF - meets industrial automation timing, redundancy, and fieldbus coexistence requirements. |
| Analog & Timing | Two 12-bit S12ADC units (8+21 ch), 2× 12-bit DAC, RTC with battery backup, 29 timers including MTU3a (9-ch), GPTA (4-ch), TPUa (6-ch) - enables sensor fusion, PWM motor control, and time-stamped event capture. |
| Security & Safety | Hardware AES/SHA/DES engines, MPU, IWDT with window function, CRC unit, A/D self-diagnostic, register write protection - satisfies IEC 60730 Class B functional safety and secure boot requirements. |
| Power & Environment | 2.7–3.6 V supply, –40°C to +85°C (D-version), four low-power modes (deep software standby with 8 KB RAM retention) - suitable for uncooled industrial enclosures and battery-backed operation. |
Pinout & Package
Package: PLQP0176KB-A - 176-pin LFBGA, 24 mm × 24 mm, 0.5 mm pitch, RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / AVCC0 / AVCC1 | Main & analog power supply | 2.7–3.6 V single-supply operation; separate analog domains enable noise-isolated ADC reference and precision sensing. |
| VBATT | Battery backup supply | Enables RTC operation during main power loss - critical for time-stamped logging and wake-on-event in energy-conscious systems. |
| XTAL / EXTAL | Main crystal oscillator input/output | Supports 8–24 MHz external crystal for precise system clock generation and IEEE 1588 timestamp accuracy. |
| MD0 / MD1 | Mode setting pins | Determine boot mode (SCI/USB/user) and single-chip vs. extended mode - define initial firmware load path and debug interface availability. |
| ETXD0–7 / ERXD0–7 / ETX_EN / ERX_DV | Ethernet MAC physical interface | MII-compatible 8-bit parallel interface per channel - allows direct connection to external PHY without glue logic in dual-port gateway designs. |
| USBDP / USBDM | High-speed USB 2.0 differential pair | 480 Mbps HS USB interface with integrated transceiver - eliminates external PHY for compact host/function OTG implementations with battery charging support. |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588 Precision Time Protocol Engine | Hardware-accelerated timestamping and correction in EPTPCa block - achieves sub-microsecond synchronization across distributed industrial Ethernet nodes without CPU overhead. |
| Dual Independent Ethernet MACs | Two fully independent 10/100 Mbps MACs with MII/RMII support and cut-through forwarding - enables redundant network paths or protocol segregation (e.g., PROFINET + Modbus TCP) on one chip. |
| Hardware Cryptographic Acceleration | Dedicated AES/SHA/DES engines with DMA-linked operation - offloads TLS handshake, secure firmware update, and encrypted data storage from CPU, preserving real-time latency. |
| IEC 60730 Safety Support | Oscillation-stop detection, CRC unit, IWDT windowing, A/D self-test, register lock bits - provides certified building blocks for Class B safety firmware without external monitors. |
| Flexible Clock Domain Architecture | Independent ICLK (240 MHz), PCLKA (120 MHz), PCLKB (60 MHz), ADCLK (60 MHz), FCLK (60 MHz), BCLK (60 MHz) - enables optimal peripheral clocking while minimizing EMI and power consumption. |
Applications
| Industrial Ethernet Gateway | Secure PLC Communication Module |
|---|---|
|
Use Scenario: Aggregating fieldbus data (CAN, RS485) and bridging to dual Ethernet networks with protocol translation and firewalling. IC Role / Device Role / Timing Role: Central real-time controller executing EtherNet/IP stack, CANopen master, and TLS-secured cloud upload - synchronized via IEEE 1588 PTP across both MACs. Use Value: Eliminates dual-MCU architecture by integrating dual Ethernet MACs, crypto acceleration, and 240-MHz deterministic processing - reducing BOM cost and board area by 35%. |
Use Scenario: Retrofitting legacy PLCs with secure remote diagnostics, firmware OTA updates, and encrypted HMI communication. IC Role / Device Role / Timing Role: Safety-certified communication coprocessor handling encrypted Modbus TCP, secure boot validation, and watchdog supervision of main PLC CPU. Use Value: Leverages built-in IEC 60730 features and hardware AES to achieve SIL2-ready communication without external security ICs or safety monitors. |
| Energy Metering Data Concentrator | Smart Building HVAC Controller |
|
Use Scenario: Collecting AMI meter data over RF/PLC and forwarding via Ethernet/WAN with time-synchronized billing logs. IC Role / Device Role / Timing Role: Real-time data concentrator with RTC, 12-bit dual ADC for voltage/current sampling, and IEEE 1588 timestamping for synchronized phase-angle measurements. Use Value: On-chip 512 KB SRAM buffers 15-minute interval logs; hardware CRC and ECC RAM ensure data integrity during brownouts and grid transients. |
Use Scenario: Multi-zone HVAC controller managing CAN-connected thermostats, BACnet/IP over Ethernet, and local Zigbee/Thread radios. IC Role / Device Role / Timing Role: Field controller running BACnet MSTP master, Ethernet/IP slave, and real-time PID loops - coordinated via ELC-triggered timer/ADC events. Use Value: Event Link Controller (ELC) eliminates CPU polling for sensor interrupts and actuator triggers - achieving <10 µs response jitter for fan speed regulation. |
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 |
|---|---|---|---|
| R5F571MLDDFP#V0 | Same RX71M family, identical 176-pin LFBGA package and core specs, but with 2.5 MB code flash (vs. 4 MB) and no SDHI interface. | Suitable for cost-sensitive gateways omitting SD card logging or field firmware updates. | Select when flash capacity >2.5 MB and SDHI are unnecessary - reduces cost while retaining Ethernet/CAN/USB feature set. |
| R5F572MLHDFP#V0 | RX72M family successor: 240 MHz RXv3 core, 4 MB flash, added 2D graphics accelerator, enhanced USB HS PHY, but no IEEE 1588 PTP hardware. | Better for HMI-rich controllers; lacks hardware PTP needed for precise industrial time sync. | Choose only if GUI rendering or higher USB reliability outweighs need for sub-microsecond Ethernet time synchronization. |
Compared with R5F571MLCDFP#V0, R5F571MLDDFP#V0 trades flash capacity and SDHI for lower cost in fixed-function gateways, while R5F572MLHDFP#V0 upgrades core and graphics but removes IEEE 1588 - making R5F571MLCDFP#V0 the sole option for time-critical dual-Ethernet industrial control with hardware PTP.
Availability
R5F571MLCDFP#V0 is available at Aetrix Electronics and suitable for industrial gateways, PLC communication modules, energy data concentrators, and smart building controllers requiring stable component supply, long-term lifecycle assurance, and full traceability.
Supply support for R5F571MLCDFP#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, power, and SoC solutions for automotive, industrial, and IoT markets - with deep expertise in real-time embedded systems and functional safety.
The RX71M Group, including R5F571MLCDFP#V0, was designed specifically for industrial Ethernet edge devices requiring dual-network redundancy, IEEE 1588 time synchronization, hardware security, and IEC 60730 compliance - targeting gateway, controller, and protocol converter applications.
FAQ
What is the maximum operating frequency and DMIPS rating of the R5F571MLCDFP#V0?
The R5F571MLCDFP#V0 operates at a maximum frequency of 240 MHz and delivers 480 DMIPS performance. This is achieved through its optimized RXv2 CPU core with 5-stage pipeline and dual multiply-accumulate units. The R5F571MLCDFP#V0 sustains this performance with zero wait-state access to code flash up to 120 MHz and efficient instruction caching - enabling hard real-time execution in motion control and protocol stack applications.
Does the R5F571MLCDFP#V0 support IEEE 1588 Precision Time Protocol?
Yes, the R5F571MLCDFP#V0 includes a dedicated IEEE 1588-compliant PTP controller (EPTPCa) tightly coupled to both Ethernet MACs. It supports hardware timestamping of ingress/egress frames, transparent clock functionality, and synchronization message processing - all without CPU intervention. This makes the R5F571MLCDFP#V0 suitable for time-critical industrial Ethernet deployments requiring sub-microsecond clock alignment across distributed nodes.
How many Ethernet MAC interfaces does the R5F571MLCDFP#V0 integrate?
The R5F571MLCDFP#V0 integrates two independent IEEE 802.3-compliant Ethernet MAC modules, each supporting 10/100 Mbps operation in full- or half-duplex mode with MII/RMII physical layer interfaces. These MACs share no internal resource contention and support cut-through frame forwarding between channels - enabling true dual-network redundancy or protocol isolation in industrial gateway designs using the R5F571MLCDFP#V0.
What cryptographic accelerators are included in the R5F571MLCDFP#V0?
The R5F571MLCDFP#V0 includes hardware-accelerated AES (128/192/256-bit), DES/TDES, SHA-1/224/256, and HMAC engines. These operate independently of the CPU and support DMA-linked data transfers - enabling efficient TLS 1.2/1.3 handshakes, secure firmware updates, and encrypted data logging. The R5F571MLCDFP#V0's crypto subsystem is validated for IEC 60730 Class B compliance and supports key wrapping and secure boot verification.
What is the package type and pin count of the R5F571MLCDFP#V0?
The R5F571MLCDFP#V0 is housed in a PLQP0176KB-A package: a 176-pin Low-Profile Fine-Pitch Ball Grid Array measuring 24 mm × 24 mm with 0.5 mm ball pitch. This LFBGA package supports high-density routing for dual Ethernet, USB, CAN, and memory interfaces - and is qualified for industrial temperature range (–40°C to +85°C). The R5F571MLCDFP#V0's 127 general-purpose I/O pins include 19 with 5-V tolerance and configurable pull-up/open-drain drive.
R5F571MLCDFP#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-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:
- 78
- 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, 14x12b; D/A 1x12
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F571MLCDFP#V0 FAQ
1.How can I place an order for R5F571MLCDFP#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F571MLCDFP#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 R5F571MLCDFP#V0 reliable?
The price and inventory of R5F571MLCDFP#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F571MLCDFP#V0 is usually 5 days.
3.What payment methods are accepted for R5F571MLCDFP#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F571MLCDFP#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F571MLCDFP#V0?
R5F571MLCDFP#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F571MLCDFP#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 R5F571MLCDFP#V0?
For technical support, including R5F571MLCDFP#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F571MLCDFP#V0 requirements.
6.How does Aetrix verify that R5F571MLCDFP#V0 is sourced from the original manufacturer or authorized distributors?
All R5F571MLCDFP#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 R5F571MLCDFP#V0 meets industry standards.
7.What is the process for return or replacement of R5F571MLCDFP#V0?
All R5F571MLCDFP#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F571MLCDFP#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 R5F571MLCDFP#V0 part is unused and in its original packaging.
Return procedure for R5F571MLCDFP#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F571MLCDFP#V0 Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

