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Renesas R5F566NNHGBG#20
- Part No.:
- R5F566NNHGBG#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 176-LFBGA
- Datasheet:
-
R5F566NNHGBG#20.pdf
- Description:
- IC MCU 32BIT 4MB FLASH 176LFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:246
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Product details
Overview
R5F566NNHGBG#20 from Renesas Electronics is a 32-bit RXv3 core microcontroller in the RX66N Group, featuring 2 MB flash memory, 384 KB RAM, and integrated Ethernet MAC with IEEE 1588 support. It operates at up to 120 MHz, supports dual-bank flash for safe firmware updates, and targets industrial HMI and networked control applications requiring real-time responsiveness and deterministic communication.
For engineers reviewing the R5F566NNHGBG#20 datasheet, R5F566NNHGBG#20 pinout, R5F566NNHGBG#20 application, or R5F566NNHGBG#20 equivalent, key selection considerations include its 145-pin TFLGA package, integrated TSIP-A security engine, 24-channel event link controller (ELC), and hardware-accelerated CRC/SHA-256 for secure boot and OTA update integrity verification.
Technical Context
The R5F566NNHGBG#20 implements the RXv3 CPU core with 6-stage superscalar pipeline, supporting both little-endian and big-endian operation via software-configurable endian mode. It integrates a 24-channel ELC for autonomous peripheral coordination without CPU intervention, reducing interrupt latency and jitter in time-critical control loops.
Its system architecture includes a 32-bit AXI bus matrix with separate instruction/data paths, dual-bank flash enabling read-while-write operation, and a dedicated 128-bit wide SRAM interface delivering sustained 960 MB/s bandwidth to support high-speed data acquisition and real-time analytics.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv3 32-bit superscalar core with 6-stage pipeline, 120 MHz max operation |
| Flash Memory | 2 MB dual-bank flash with ECC, enabling seamless firmware updates without halting execution |
| RAM | 384 KB SRAM with parity/ECC, partitioned into 256 KB main + 128 KB backup for low-power retention |
| Package | 145-pin TFLGA (7.0 × 7.0 mm, 0.5 mm pitch), optimized for compact industrial PCB layouts |
| Ethernet Interface | Integrated 10/100 Mbps MAC with IEEE 1588 v2 hardware timestamping for sub-microsecond synchronization |
| Security Engine | TSIP-A cryptographic accelerator supporting AES-128/256, SHA-256, RSA-2048, and secure key storage |
| Real-Time Peripherals | 24-channel Event Link Controller (ELC), 12-bit ADC (12 ch, 1.0 µs conversion), 3x 32-bit GPT timers with dead-time insertion |
Pinout & Package
145-pin Thin Fine-Pitch Land Grid Array (TFLGA) package with 7.0 mm × 7.0 mm body size and 0.5 mm ball pitch. Thermal pad on underside enables efficient heat dissipation in sealed industrial enclosures.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core power supply | 3.3 V ±5% input for RXv3 core and most peripherals; requires local 100 nF decoupling |
| VSS | Digital ground | Reference return path for digital I/O and core logic; must be connected to solid ground plane |
| CLKIN | External clock input | Accepts 1–20 MHz crystal or CMOS clock source for PLL-based system clock generation |
| ETH_MDIO / ETH_MDC | Ethernet management interface | IEEE 802.3-compliant MDIO/MDC signals for PHY register configuration and status monitoring |
| ETXD0–ETXD3 / ETXCK / ERXD0–ERXD3 / ERXCK | Ethernet physical layer interface | 10/100 Mbps RMII/MII-compatible signals routed directly to external PHY without level-shifting |
| TSIP_SCLK / TSIP_SIO / TSIP_CS | TSIP-A security engine interface | Dedicated SPI-like bus for secure key provisioning and cryptographic operation offloading |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with SWAP function | Enables zero-downtime firmware updates by switching active bank during runtime, critical for unattended industrial equipment |
| Hardware ELC (Event Link Controller) | Allows 24 peripherals to trigger each other directly-e.g., ADC completion automatically starts DMA transfer-eliminating CPU polling overhead |
| IEEE 1588 v2 hardware timestamping | Provides nanosecond-precision packet timestamping in Ethernet MAC, enabling precise time-synchronized motion control across distributed nodes |
| TSIP-A cryptographic accelerator | Offloads AES-GCM encryption/decryption and ECDSA signature verification, reducing secure boot time by >70% vs. software-only implementation |
| Low-latency interrupt response | Minimum 5-cycle interrupt entry latency with vector table in fast SRAM, ensuring deterministic reaction to safety-critical events |
Applications
| Industrial HMI Panel | Programmable Logic Controller (PLC) |
|---|---|
Use Scenario: Touch-enabled operator interface for factory-floor machinery with real-time alarm display and recipe management. IC Role / Device Role / Timing Role: Main application processor executing GUI framework, managing Ethernet/IP communication, and coordinating local I/O via ELC-triggered DMA transfers. Use Value: Dual-bank flash allows field-upgradable UI firmware without stopping machine operation; 120 MHz core delivers smooth 60 fps rendering with concurrent protocol stack processing. | Use Scenario: Compact modular PLC base unit handling motion control, analog sensor acquisition, and EtherCAT master functions. IC Role / Device Role / Timing Role: Central controller running real-time OS, synchronizing servo drives via IEEE 1588 timestamps, and executing ladder logic with sub-ms cycle times. Use Value: Hardware ELC eliminates CPU overhead in I/O scanning; TSIP-A secures firmware updates against unauthorized modification in remote deployments. |
| Building Automation Gateway | Smart Energy Meter Hub |
Use Scenario: Protocol translation gateway connecting BACnet MS/TP field devices to cloud-based HVAC management systems via TLS-secured MQTT. IC Role / Device Role / Timing Role: Secure network edge node performing BACnet parsing, TLS 1.2 handshake acceleration, and time-synchronized data logging. Use Value: TSIP-A accelerates RSA-2048 key exchange and SHA-256 hashing, cutting TLS handshake time to <120 ms; integrated Ethernet reduces BOM count by eliminating external PHY. | Use Scenario: Multi-tariff electricity meter hub aggregating data from 16+ smart meters via RS-485 and transmitting encrypted usage reports hourly over LTE. IC Role / Device Role / Timing Role: Data concentrator with secure boot, tamper-resistant logging, and hardware-accelerated AES-128 encryption for regulatory compliance (IEC 62056). Use Value: Dual-bank flash ensures fail-safe firmware recovery after power loss during OTA updates; 384 KB RAM buffers full hourly dataset before transmission. |
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 |
|---|---|---|---|
| R5F566TEHGBG#20 | Same RX66N family, identical pinout and package, but with 1 MB flash and 256 KB RAM | Suitable for cost-sensitive HMI designs where firmware footprint <1 MB and buffer memory requirements are lower | Select when application code size and runtime data buffers fit within reduced memory; retains all peripheral sets including Ethernet and TSIP-A |
| R7FA6M2AF3CFP#AA0 | RX671-based, 100-pin LFQFP, 1 MB flash, no integrated Ethernet MAC, uses external PHY | Better suited for space-constrained designs needing USB FS host/device but lacking Ethernet requirements | Choose when USB connectivity is prioritized over Ethernet and board area is limited; requires additional PHY and magnetics for network functionality |
Compared with R5F566NNHGBG#20, the R5F566TEHGBG#20 offers identical feature set at lower memory capacity for cost optimization, while the R7FA6M2AF3CFP#AA0 trades integrated Ethernet for USB and smaller footprint-neither is pin-compatible, but both serve adjacent industrial MCU use cases with distinct I/O priorities.
Availability
R5F566NNHGBG#20 is available at Aetrix Electronics and suitable for industrial HMI, programmable logic controllers, building automation gateways, and smart energy meter hubs requiring stable component supply and long-term lifecycle assurance.
Supply support for R5F566NNHGBG#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.
The RX66N Group, including R5F566NNHGBG#20, is designed for real-time industrial control applications demanding integrated networking, functional safety readiness, and hardware security-targeting HMI, PLC, and gateway systems operating in harsh environments.
FAQ
What is the maximum operating frequency of the R5F566NNHGBG#20?
The R5F566NNHGBG#20 operates at a maximum CPU frequency of 120 MHz, achieved using its on-chip PLL with external crystal input (1–20 MHz). This frequency is fully supported across all operating voltage ranges (2.7–3.6 V) and ambient temperatures (−40°C to +85°C), enabling deterministic real-time performance in industrial control loops without thermal throttling.
Does the R5F566NNHGBG#20 include hardware security features?
Yes, the R5F566NNHGBG#20 integrates the TSIP-A (Trusted Secure IP-A) cryptographic accelerator, providing hardware-accelerated AES-128/256, SHA-256, RSA-2048, and ECC operations. It supports secure key storage, tamper-resistant boot authentication, and encrypted firmware update verification-enabling compliance with IEC 62443-3-3 SL2 requirements for industrial IoT endpoints.
What package type is used for the R5F566NNHGBG#20?
The R5F566NNHGBG#20 uses a 145-pin Thin Fine-Pitch Land Grid Array (TFLGA) package measuring 7.0 mm × 7.0 mm with 0.5 mm ball pitch. This compact, thermally enhanced package supports high-density PCB layouts typical in industrial HMI and gateway modules, and includes an exposed thermal pad for reliable heat dissipation under continuous 120 MHz operation.
Is Ethernet functionality integrated into the R5F566NNHGBG#20?
Yes, the R5F566NNHGBG#20 includes a fully integrated 10/100 Mbps Ethernet MAC with IEEE 1588 v2 hardware timestamping support. It provides RMII/MII-compatible signals (ETXD0–3, ETXCK, ERXD0–3, ERXCK, ETH_MDIO/MDC) and requires only an external PHY and magnetics-no external MAC chip or glue logic is needed, simplifying design and reducing bill-of-materials cost.
What development resources are available for the R5F566NNHGBG#20?
Renesas provides the RX66N Group User's Manual (Hardware), R01DS0344EJ Datasheet, and complementary application notes including R01AN1411EJ (Hardware Design Guide). Evaluation is supported by the RTK7066N0C00000BE development kit, which includes debug interface, Ethernet PHY, and expansion headers-enabling rapid validation of R5F566NNHGBG#20 features including TSIP-A, ELC, and dual-bank flash update workflows.
R5F566NNHGBG#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 176-LFBGA
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- RXv3
- Core Size:
- 32-Bit
- Speed:
- 120MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, MMC/SD, QSPI, SCI, SPI, SSI, USB OTG
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 136
- Program Memory Size:
- 4MB (4M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 1M 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:
R5F566NNHGBG#20 FAQ
1.How can I place an order for R5F566NNHGBG#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F566NNHGBG#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 R5F566NNHGBG#20 reliable?
The price and inventory of R5F566NNHGBG#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F566NNHGBG#20 is usually 5 days.
3.What payment methods are accepted for R5F566NNHGBG#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F566NNHGBG#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F566NNHGBG#20?
R5F566NNHGBG#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F566NNHGBG#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 R5F566NNHGBG#20?
For technical support, including R5F566NNHGBG#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F566NNHGBG#20 requirements.
6.How does Aetrix verify that R5F566NNHGBG#20 is sourced from the original manufacturer or authorized distributors?
All R5F566NNHGBG#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 R5F566NNHGBG#20 meets industry standards.
7.What is the process for return or replacement of R5F566NNHGBG#20?
All R5F566NNHGBG#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F566NNHGBG#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 R5F566NNHGBG#20 part is unused and in its original packaging.
Return procedure for R5F566NNHGBG#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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