I2C-Bus Controller

Block Diagram

PCF8584 Block Diagram

PCF8584 Block Diagram


Key Features

  • Parallel-bus to I2C-bus protocol converter and interface
  • Compatible with most parallel-bus microcontrollers/microprocessors including 8049, 8051, 6800, 68000 and Z80
  • Both controller and target functions
  • Automatic detection and adaption to bus interface type
  • Programmable interrupt vector
  • Multi-controller capability
  • I2C-bus monitor mode
  • Long-distance mode (4-wire)

Operating Supply Voltage

  • 4.5 to 5.5 V

Operating Temperature Range

  • -40 to +85 °C

Part numbers include: PCF8584T.


Quick reference to our documentation types.

1-5 of 13 documents

Show All


What do you need help with?