基于AT24C0x和89c52的IIC总线连接与设计及源码-AT24C0x based on the 89C52 and IIC bus connection with the design and source code

89c52与24c02的简单通信，写入一个字节到24c02中，再从24c02中读出1个字节-Simple communication with 24c02 89c52, write a byte to the 24c02 in 24c02 read out again from 1 byte

利用st单片机89c52开发的功能测试系统板,用作 iphone5 的功能测试,包括prox和iic和button,硬件图齐全,包括pcb图,程序code.-St microcontroller 89c52 using functional test system development board, as iphone5 function tests, including prox and iic and button, the hardware chart is complete, incl

用IIC芯片PFC8574实现IIC扩展，8574可以实现8位IO口和IIC的双向转换，本程序实现了用89C52模拟IIC检测4位IO口的状态并由4位IO输出检测的状态-Achieve IIC IIC chip PFC8574 for extension 8574 can achieve 8 IO port and two-way conversion of the IIC, the program four IO ports with 89C52 Analog IIC detects stat