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