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Here are the resources for MSP430F2013 chip, where all components are using I2C bus to communicate.

Software I2C Slave Using the MSP430

This application report describes the design of a software I2C slave that can run up to 100-kbps using an MSP430 MCU. This software I2C uses a small amount of MCU resources so that it can be implemented on lower-end MSP430 devices. The interface to the I2C bus uses two I/O pins; and the code size, including flash memory and RAM, is small. Low power is built into the software design. The application of this software I2C is not just confined to low-end products.

Implementing SMBus using MSP430 Hardware I2C

This application report describes the implementation of the system management bus (SMBus) using the MSP430 hardware I2C peripheral. SMBus is used as a communication

link for smart batteries, power related devices and a wide variety of other system devices. This report includes the support for master and slave protocols in a SMBus communication system.

Interfacing an EEPROM to the MSP430 I2C Module

Interfacing an EEPROM to the MSP430 I2C Module Application Report