Renesas R5F566NNHGLK#20
- Part No.:
- R5F566NNHGLK#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 145-TFLGA
- Datasheet:
-
R5F566NNHGLK#20.pdf
- Description:
- IC MCU 32BIT 4MB FLASH 145TFLGA
- Quantity:
- Payment:

- Shipping:

Inventory:401
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Product details
Overview
R5F566NNHGLK#20 from Renesas Electronics is a 32-bit RXv3 core microcontroller in the RX66N Group, featuring 2 MB flash memory, 384 KB SRAM, and support for Ethernet MAC, USB 2.0 FS/HS, CAN FD, and 12-bit ADC with 32 channels - deployed in industrial HMIs, PLCs, and networked motor control systems.
For engineers reviewing the R5F566NNHGLK#20 datasheet, R5F566NNHGLK#20 pinout, R5F566NNHGLK#20 application, or R5F566NNHGLK#20 equivalent, key selection criteria include its 224-pin LFBGA package, 120 MHz max CPU frequency, integrated security IP (TRNG, AES-128/256, SHA-256), and dual-bank flash for safe firmware updates.
Technical Context
The R5F566NNHGLK#20 implements the RXv3 CPU core with 1.65 DMIPS/MHz performance and supports supervisor/user mode separation, MPU-based memory protection, and hardware floating-point units (single- and double-precision). It integrates a 4-channel DMAC with scatter-gather capability and a 16-channel event link controller for deterministic peripheral coordination.
Its system architecture includes a multi-layer AXI/AHB bus matrix, independent instruction/data caches (32 KB each), and configurable clock tree with PLL, sub-clock oscillator, and fractional divider - enabling precise timing control for real-time industrial communication stacks including EtherCAT slave and TSN endpoint implementations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv3 32-bit superscalar core @ up to 120 MHz; enables deterministic real-time task scheduling with <1 µs interrupt latency |
| Memory | 2 MB on-chip flash (dual-bank, 128-bit wide) + 384 KB SRAM; supports background flash programming and secure boot verification |
| Peripherals | Ethernet MAC (10/100 Mbps), USB 2.0 HS/FS, 2× CAN FD, 12-bit ADC (32 ch, 0.9 µs conversion), 16-bit PWM (8 ch) |
| Security | Hardware TRNG, AES-128/256, SHA-256, memory encryption engine, and tamper detection circuitry per IEC 62443-3-3 |
| Package | 224-pin LFBGA (13 mm × 13 mm, 0.8 mm pitch); qualified for industrial temperature range (–40°C to +85°C) |
| Clock Sources | On-chip PLL (×1–×32), sub-clock oscillator (32.768 kHz), and external crystal input (1–20 MHz); enables low-jitter timing for servo control loops |
Pinout & Package
224-pin LFBGA (13 mm × 13 mm, 0.8 mm pitch) with exposed thermal pad; RoHS-compliant, moisture sensitivity level (MSL) 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Core & I/O power supply / ground | Dual 3.3 V domains (VCCP/VCCIO) with separate decoupling; supports mixed-voltage I/O (1.8 V/3.3 V tolerant) |
| CLK, EXTAL, XTAL | Main clock input/output | Accepts 1–20 MHz crystal or external clock; enables precise timing for Ethernet PHY synchronization and PWM carrier generation |
| ETH_MDC, ETH_MDIO | IEEE 802.3 management interface | Direct connection to Ethernet PHY for register configuration and link status monitoring without software overhead |
| USB_VBUS, USB_DP, USB_DM | USB 2.0 host/device interface | Full-speed (12 Mbps) and high-speed (480 Mbps) operation with integrated transceivers; no external PHY required |
| CANFD0_TX, CANFD0_RX | CAN FD data channel | Supports bit rates up to 5 Mbps with flexible data length (up to 64 bytes); enables high-bandwidth diagnostics in automotive-grade industrial networks |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with SWAP function | Enables zero-downtime firmware updates via bank switching - critical for unattended industrial gateways |
| Hardware crypto accelerator | Offloads AES-128/256, SHA-256, and RSA signature verification; reduces secure boot time by >80% vs. software-only implementation |
| Integrated Ethernet MAC with DMA | Supports IEEE 1588 PTP timestamping and VLAN tagging; eliminates need for external switch IC in edge node designs |
| Event Link Controller (ELC) | Configurable hardware-triggered peripheral chaining (e.g., ADC → DMA → PWM update); removes CPU polling and improves jitter consistency |
| MPU with 16 regions | Enforces memory access permissions across RTOS tasks; prevents stack overflow corruption and unauthorized peripheral access |
Applications
| Industrial HMI | Programmable Logic Controller (PLC) |
|---|---|
Use Scenario: Touch-enabled operator interface with real-time alarm logging and web-based configuration. IC Role / Device Role / Timing Role: Main application processor executing Linux-based UI framework and managing Ethernet/USB connectivity. Use Value: Dual-bank flash enables seamless OTA updates without interrupting HMI responsiveness; integrated Ethernet MAC reduces BOM count by eliminating external PHY. | Use Scenario: Modular I/O controller handling analog/digital signal acquisition, motion control, and fieldbus communication. IC Role / Device Role / Timing Role: Central deterministic execution unit coordinating cyclic I/O scans and CAN FD fieldbus messaging. Use Value: ELC-driven peripheral synchronization ensures sub-microsecond timing alignment between ADC sampling and PWM output - essential for closed-loop servo control. |
| Networked Motor Drive | Smart Energy Gateway |
Use Scenario: Compact inverter module with embedded safety monitoring, torque control, and EtherCAT slave functionality. IC Role / Device Role / Timing Role: Real-time motion controller interfacing with gate drivers, current sensors, and industrial Ethernet. Use Value: Hardware FPU and 120 MHz CPU deliver 100 µs current loop execution - meeting SIL-2 functional safety timing requirements. | Use Scenario: DIN-rail mounted gateway aggregating smart meter data over RS-485, LoRaWAN, and cellular backhaul. IC Role / Device Role / Timing Role: Secure data concentrator performing TLS 1.2 encryption, protocol translation, and local policy enforcement. Use Value: On-chip AES-256 and TRNG enable end-to-end encrypted data transmission without external security co-processor - reducing latency and bill-of-materials cost. |
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 |
|---|---|---|---|
| R5F566TEHGLK#20 | Same RX66N Group, identical pinout and peripherals, but with 1 MB flash and 256 KB SRAM | Suitable for cost-sensitive applications with smaller firmware footprint and reduced data buffering needs | Select when full 2 MB flash is not required and BOM cost optimization is prioritized |
| R5F566TJHGLK#20 | Same package and core, but adds 16 KB data flash (DFLASH) for parameter storage and removes one CAN FD channel | Better suited for applications requiring persistent non-volatile configuration storage without dual CAN FD redundancy | Choose when field-updatable calibration tables or device-specific settings are needed, and second CAN FD is unused |
Compared with R5F566NNHGLK#20, the R5F566TEHGLK#20 offers lower memory capacity at reduced cost, while the R5F566TJHGLK#20 trades one CAN FD interface for dedicated data flash - making each variant optimal for distinct industrial subsystem requirements without PCB redesign.
Availability
R5F566NNHGLK#20 is available at Aetrix Electronics and suitable for industrial HMIs, networked motor drives, and smart energy gateways requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for R5F566NNHGLK#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 industrial, automotive, and IoT markets.
The RX66N Group - to which R5F566NNHGLK#20 belongs - was designed specifically for real-time industrial automation applications demanding high integration, functional safety compliance (IEC 61508 SIL-2), and secure connectivity.
FAQ
What is the maximum operating frequency of the R5F566NNHGLK#20?
The R5F566NNHGLK#20 operates at a maximum CPU frequency of 120 MHz using its on-chip PLL with external crystal or clock input. This frequency is fully supported across the industrial temperature range (–40°C to +85°C) and enables deterministic execution of real-time control algorithms, such as servo position loops and EtherCAT distributed clocks, with sub-microsecond jitter.
Does the R5F566NNHGLK#20 support secure boot and cryptographic acceleration?
Yes, the R5F566NNHGLK#20 includes hardware-based security features: a true random number generator (TRNG), AES-128/256 encryption/decryption engines, SHA-256 hash accelerator, and memory encryption unit. These enable certified secure boot (aligned with IEC 62443-3-3) and offload cryptographic operations - significantly reducing latency for TLS handshakes and firmware signature verification in the R5F566NNHGLK#20.
What package type and pin count does the R5F566NNHGLK#20 use?
The R5F566NNHGLK#20 uses a 224-pin LFBGA package measuring 13 mm × 13 mm with 0.8 mm pitch and an exposed thermal pad. This package is specified for industrial temperature operation and matches pin assignments documented in the RX66N Group User's Manual: Hardware (Rev.1.20), ensuring compatibility with existing RX66N reference designs and layout footprints.
Can the R5F566NNHGLK#20 operate as an EtherCAT slave controller?
Yes, the R5F566NNHGLK#20 supports EtherCAT slave functionality through its integrated Ethernet MAC with IEEE 1588 precision timestamping, dual-port RAM access, and hardware-assisted process data exchange. When combined with Renesas' official EtherCAT slave stack and reference firmware, the R5F566NNHGLK#20 meets ETG.1000.5 conformance requirements for standard slave devices in industrial motion networks.
What development tools are officially supported for the R5F566NNHGLK#20?
Renesas provides full toolchain support for the R5F566NNHGLK#20, including e2 studio IDE, CS+ compiler, and the RX66N Group Starter Kit (RTK0EG0020S01000BJ). Debugging is enabled via JTAG/SWD interfaces, and production programming uses Renesas Flash Programmer (RFP) with compatible PG-FP6 or E2 emulator hardware - all validated for use with the R5F566NNHGLK#20.
R5F566NNHGLK#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 145-TFLGA
- 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:
- 111
- 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:
R5F566NNHGLK#20 FAQ
1.How can I place an order for R5F566NNHGLK#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F566NNHGLK#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 R5F566NNHGLK#20 reliable?
The price and inventory of R5F566NNHGLK#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F566NNHGLK#20 is usually 5 days.
3.What payment methods are accepted for R5F566NNHGLK#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F566NNHGLK#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F566NNHGLK#20?
R5F566NNHGLK#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F566NNHGLK#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 R5F566NNHGLK#20?
For technical support, including R5F566NNHGLK#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F566NNHGLK#20 requirements.
6.How does Aetrix verify that R5F566NNHGLK#20 is sourced from the original manufacturer or authorized distributors?
All R5F566NNHGLK#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 R5F566NNHGLK#20 meets industry standards.
7.What is the process for return or replacement of R5F566NNHGLK#20?
All R5F566NNHGLK#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F566NNHGLK#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 R5F566NNHGLK#20 part is unused and in its original packaging.
Return procedure for R5F566NNHGLK#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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