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MCP23008 8 I / O expander I2C

1,89 /1,56 excl. VAT

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Article number: IC1004 Categories:

Description MCP23008 8 I / O expander I2C

With the MCP23008 you can add 8 extra input / output channels to your microcontroller. The MCP23008-E / P consists of multiple 8-bit configuration registers for input, output and polarity selection. The system master can enable the I / Os as inputs or outputs by writing the I / O configuration bits (IODIRA / B). The data for each input or output is held in the corresponding input or output register. The polarity of the Input Port register can be reversed with the Polarity Inversion register. All registers can be read by the system master.

Features MCP23008

  • Fast I2C ™ interface
  • 3 Hardware address pins
  • Configurable interrupt output pin as active high, active low, or open drain
  • Configurable interrupt source
  • Polarity Inversion register to configure the polarity of the input port data
  • External reset input
  • Low standby current: 1 µA max.


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