Introduction - If you have any usage issues, please Google them yourself
// Example software to demonstrate the C8051F02x SMBus interface in Slave mode
//- Interrupt-driven SMBus implementation
//- Only slave states defined
//- Multi-byte SMBus data holders used for both transmit and receive
//- Timer3 used by SMBus for SCL low timeout detection
//- ARBLOST support included
//- supports multiple-byte writes and multiple-byte reads