pic18f86xx单片机硬件I2C通信。控制24c04 对E2PROM读写。当在protues里面模拟时。一定要加I2C控制器。不然读出0xff。-pic18f86xx microcontroller hardware I2C communications. 24c04 control read and write to the E2PROM. When the simulation protues inside. Be sure to add I2C controller. Otherwis