一个C8051F02x的SMBus总线，从模式，一个字节传输的例子。-// Example software to demonstrate the C8051F02x SMBus interface in Slave mode

//- Interrupt-driven SMBus implementation

//- Only slave states defined

//- 1-byte SMBus data holder used for both transmit and receive

//- Timer3 used by SMBus for SCL low timeout detection

//- ARBLOST support included