ACE-N-6568 Serial Interface Module

IIC I2C SPI MCP23S17 Bidirectional Serial Interface Module MCP23017

• Description:
• 16-Bit Remote Bidirectional I/O Port:
• – I/O pins default to input
  • High-Speed I2C Interface (MCP23017):
  – 100kHz
  – 400kHz
  – 1.7MHz
  • High-Speed SPI Interface (MCP23S17):
  – 10 MHz (maximum)
  • Three Hardware Address Pins to Allow Up to
  Eight Devices On the Bus
  • Configurable Interrupt Output Pins:
  – Configurable as active-high, active-low or
  open-drain
  • INTA and INTB Can Be Configured to Operate
  Independently or Together
  • Configurable Interrupt Source:
  – Interrupt-on-change from configured register
  defaults or pin changes
  • Polarity Inversion Register to Configure the
  Polarity of the Input Port Data
  • External Reset Input
  • Operating Voltage:
  – 1.8V to 5.5V @ -40°C to +85°C
  – 2.7V to 5.5V @ -40°C to +85°C
  – 4.5V to 5.5V @ -40°C to +125°C