- Trained on our vast library of engineering resources.

CY8C3866PVI-021 Versatile 67MHz Microcontroller

Featured Product from Shenzhen Shengyu Electronics Technology Limited

More Info Email Supplier Request a Quote

Discover the CY8C3866PVI-021, a powerful 8-bit MCU with exceptional capabilities:

Operating Characteristics:

  • Voltage Range: 1.71 to 5.5V, Six Power Domains
  • Temperature Range: -40 to 85°C
  • DC to 67MHz Operation
  • Multiple Power Modes: Active, Sleep, Hibernate


  • 8-bit 8051 CPU, 32 Interrupt Inputs
  • DMA Controller, 64-tap DFB Processor
  • Up to 64KB Program Flash, 8KB RAM, 2KB EEPROM

Digital Peripherals:

  • Four 16-bit TCPWM Blocks
  • USB 2.0, Full CAN 2.0b, I2C
  • Universal Digital Blocks for Flexible Configurations

Programmable Clocking:

  • Internal Oscillators, PLL Clock Generation
  • Low-Power Options, External Crystal Support

Analog Peripherals:

  • Configurable Delta-Sigma ADC
  • DACs, Comparators, Opamps
  • CapSense Support for Up to 62 Sensors

Versatile I/O System:

  • 29 to 72 I/O Pins, Hot Swap Capable
  • LCD Direct Drive, CapSense Support
  • 1.2V to 5.5V Interface Voltages

Programming and Debug:

  • JTAG, SWD, SWV Interfaces
  • Bootloader Programming Through Various Interfaces

Package Options:

  • SSOP, QFN, TQFP, WLCSP Options

Development Support:

  • PSoC Creator™ Tool for Schematic and Firmware Design
  • Over 100 PSoC Components™ for Integrated ICs
  • Free Keil 8051 Compiler Included

Explore endless possibilities with the CY8C3866PVI-021, ideal for IoT, industrial automation, and more. Unleash creativity with drag-and-drop design and robust development support.