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RENESAS R5F566NNDDBD20 High-Performance Microcontroller

The R5F566NNDDBD20 is a 144-pin LFQFP microcontroller designed for high-speed applications with a 120 MHz CPU frequency. It features multiple communication interfaces including Ethernet, USB 2.0 FS, CAN, RSPI, SCI, and I2C, along with extensive memory options: 4 MB flash, 512 KB RAM, and 32 KB data flash. Supporting advanced peripherals like PWM timers, compare match timers, real-time clock, and digital filters, it ensures versatile functionality suitable for industrial and automotive use. Equipped with multiple power modes, robust I/O, and comprehensive clock options, this MCU offers reliable performance in demanding environments.

Authorized Distributors
Source:DigiKey
Part No:R5F566NNDDBD#20
Stock:117
Inv Date:06-06-2026
Price: Unit price: $18.47
Buy/RFQ:
Part No:R5F566NNDDBD#20
Stock:210
Inv Date:06-07-2026
Price: Unit price: $18.37
Buy/RFQ:

RENESAS R5F566NNDDBD20 High-Performance Microcontroller Specifications:

  • Package: 144-Pin LFQFP
  • CPU Frequency: 120 MHz
  • Flash Memory: 4 MB
  • Data Flash Memory: 32 KB
  • RAM: 512 KB
  • Analog Power Supply: AVCCO, AVCC1 (0.3 to 4.0 V)
  • Analog Ground: AVSSO, AVSS1
  • Input Voltage: 0.3 V to VCC + 0.3 V (up to 4.0 V)
  • Operating Temperature: -40°C to +85°C (D-version), -40°C to +105°C (G-version)
  • Communication Interfaces: Ethernet, USB 2.0 FS, CAN, RSPI, SCI, I2C
  • Timers: 16-bit TPUs, 8-bit Timers, PWM, Compare Timers
  • Real-Time Clock with battery backup
  • Clock Sources: Main oscillator, sub-clock, high-speed on-chip oscillator, PLL
  • Low Power Modes: Several including software standby and deep software standby
  • Clock frequency range: Up to 120 MHz for system, 80 MHz for external bus
  • External Bus: Supported with independent control for 8/16/32-bit buses
  • Security: Support for Trusted Secure IP, embedded CRC, clock accuracy measurement
  • Power supply: 2.7 to 3.6 V with decoupling capacitors 0.1 uF recommended

Buy the Buy Renesas RX66N Microcontroller Part Number R5F566NNDDBD20 Online

Order the Renesas RX66N in your preferred online electronics distributor today. This high-speed controller offers extensive memory, multiple interfaces including Ethernet and USB 2.0, and advanced timer functions. Perfect for demanding industrial, automation, and automotive applications, it ensures reliable operation with versatile power modes and robust security features. Take advantage of quick delivery and competitive pricing by purchasing directly online and enhance your project’s performance with this reliable automotive-grade MCU.

Buy Renesas RX66N MCUs now and experience unmatched reliability and high-speed performance for industrial and automotive applications.

Frequently Asked Questions

Where can I buy RENESAS R5F566NNDDBD20?

You can click on the BUY or RFQ button to purchase R5F566NNDDBD20 from an authorized RENESAS distributor.

How do I troubleshoot issues or seek technical support for part R5F566NNDDBD20?

You can download the R5F566NNDDBD20 datasheet or visit the RENESAS website for support.

Who is the manufacturer of R5F566NNDDBD20?

RENESAS

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