S3c2440 IIC裸机开发，可以使用IO模拟，按照时序来操作；也可以操作芯片IIC总线功能，按照执行流程来操作-S3c2440 IIC bare development, you can use the IO simulation, operate in accordance with the timing can also chip IIC bus function, in accordance with the implementation of the process to oper