This application note (PDF) from Atmel describes the implementation of a TWI master: The Two-wire serial Interface (TWI) is compatible with Philips’ I2C protocol. The bus was developed to allow simple, robust and cost effective communication between integrated circuits in electronics. The strengths of the TWI bus includes the capability of addressing up to 128 devices […]
Tag Archives: USI module
I2C using USI on the MSP430
Jan Rychter released a tiny library that implements an I2C master on MSP430 devices that only have the USI module on GitHub: I’ve released a tiny library that implements I2C master functionality for MSP430 chips that have the USI module (MSP430G2412 or MSP430G2452 are ones that I use often). The code is on GitHub, it […]