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Method and system for two wire SPI interface that supports I2C concurrently

IP.com Disclosure Number: IPCOM000223062D
Publication Date: 2012-Oct-31

Publishing Venue

The IP.com Prior Art Database

Abstract

Disclosed is a method to utilize two General Purpose Input/Outputs (GPIOs) out of a microprocessor or Programmable Logic Device (PLD) to communicate with a bus that has 4-wire Serial Peripheral Interface (SPI) and I2C components coupled to it.