8-Bit I/O Expander with I2C-Bus/SPI Interface

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Block Diagram

PCA9502 Block Diagram

 PCA9502 Block Diagram


General Features

  • Selectable I2C-bus or SPI interface
  • 3.3 V or 2.5 V operation
  • Industrial temperature range: -40 Cel to +85 Cel
  • Eight programmable I/O pins
  • Software reset
  • Industrial and commercial temperature ranges
  • Available in HVQFN24 package
  • 16 hardware-selectable follower addresses
  • Factory automation and process control
  • Portable and battery operated devices
  • Cellular data devices

I2C-Bus Features

  • Noise filter on SCL/SDA inputs
  • 400 kbit/s (maximum)
  • Compliant with I2C-bus Fast-mode
  • Follower mode only

SPI Features

  • 15 Mbit/s maximum speed
  • Follower mode only
  • SPI Mode 0

Part numbers include: PCA9502BS.


Quick reference to our documentation types.

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Design Files

Quick reference to our design files types.

1 design file

Engineering Services

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