PCF8575 I/O Expansion Module

R45.80

Package Includes

  • 1x PCF8575 I/O Expansion Module
  • 2x 10-Way SIL Straight Pin Header
  • 1x 5-Way SIL Right Angle Pin Header

Availability: 10 in stock

Breakout board for the NXP PCF8575, a general purpose remote I/O expansion chip with an I2C serial interface.

Features / Specs

  • Main IC: NXP PCF8575
  • Operating Voltage: 2.5 – 5.5VDC
  • Max Operating Current: ~110mA (Includes AMS1117 regulator supply current)
  • Max Standby Current (PCF8575 Only): 10μA
  • Serial Communication Protocol: I2C (Max Speed of 400kb/s)
  • I2C Default Address: 0x20 (Can be modified with solder jumpers A0, A1 and A2)
  • Addressable I/O Pins: 16
  • Open-drain interrupt output which can inform the connected microcontroller about incoming data on the input ports
  • Latched outputs with high current drive capability
  • Operating Temperature: -40 to +85°C
  • Header Pin Pitch: 2.54mm
  • Dimensions: ~(32.5mm x 21.3mm)
  • Mounting Hole Diameter: ~2mm

Pin Description

  • VDD/VCC-> Supply Voltage (2.5 – 5.5VDC)
  • GND-> Ground
  • SCL-> I2C Serial Clock Input
  • SDA-> I2C Serial Data Input
  • INT-> Interrupt Output
  • P00-P07-> I/O Pins 00 to 07
  • P10-P17-> I/O Pins 10 to 17

Resources

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