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MAX7316 Datasheet 10-Port I/O Expander

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: www.DataSheet4U.com 19-3055; Rev 1; 4/04 10-Port I/O Expander with LED Intensity Control and.

General Description

The MAX7316 serial interfaced peripheral provides microprocessors with eight additional I/O ports plus one output-only port and one input-only port.

Each I/O port can be individually configured as either an open-drain current-sinking output rated to 50mA at 5.5V or as a logic input with transition detection.

The output-only port can also be assigned as an interrupt output for transition detection.

Key Features

  • 400kbps, 2-Wire Serial Interface, 5.5V Tolerant.
  • 2V to 3.6V Operation.
  • Overall 8-Bit PWM LED Intensity Control Global 16-Step Intensity Control Plus Individual 16-Step Intensity Controls.
  • 2-Phase LED Blinking.
  • High Output Current (50mA max per Port).
  • Outputs are 5.5V-Rated Open Drain.
  • Inputs are Overvoltage Protected to 5.5V.
  • Transition Detection with Interrupt Output.
  • RST Input Clears Serial Interface and Restores.

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