10-2案例分析1(2位学号显示) ◇硬件电路原理图 P32P33P34 P1.3 P12P1.1 P1.0 P3.5 C1 10 SiChuan Engineering Technical College-1959 Copyright c Http: // mcu.scete. netSiChuan Engineering Technical College-1959 6 Copyright © Http:// mcu.scetc.net 10-2.案例分析1（2位学号显示）  硬件电路原理图 P3.2 P3.3 P3.4 P3.5 P1.3 P1.2 P1.1 P1.0