Download MCP23016 Datasheet PDF
MCP23016 page 2
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MCP23016 Description

MCP23016 16-Bit I2C™ I/O Expander.

MCP23016 Key Features

  • 16-bit remote bidirectional I/O port
  • 16 I/O pins default to 16 inputs
  • Fast I2C™ bus clock frequency (0
  • 400 kbits/s)
  • Three hardware address pins allow use of up to .. eight devices
  • High-current drive capability per I/O: ±25 mA
  • Open-drain interrupt output on input change
  • Interrupt port capture register
  • Internal Power-On Reset (POR)
  • Polarity inversion register to configure the polarity of the input port data