摘要: 注:本人大一新生,未学习电路,单片机,C语言,汇编均为自学内存,故难免有所疏露,希望大家多多指点。 该项目为惠州学院计算机系嵌入式培训班硬件组的任务(本人是电子系的,但还是加入了呵)。设计思路: 1,确定电路模型。 2,写源程序。 3,调试。项目名称:基于PROTEUS仿真的16*64点阵屏关键字:16,64,点阵,PROTEUS,DS1302,74HC595。元器件使用清单AT89S52*1无源晶振33MHz*1无源晶振32.768KHz电容33pF*2电容10uF*1限流电阻10K*1复位式按键开关*1钮扣电池3V*174HC595DS130274HC1548*8LED点阵实现思路... 阅读全文
posted @ 2012-08-04 20:57 lydmom 阅读(3233) 评论(0) 推荐(0) 编辑
摘要: The LEA InstructionThe lea (Load Effective Address) instruction is another instruction used to prepare pointer values. The lea instruction takes the form:leadest, sourceThe specific forms on the 80x86 areleareg16, memleareg32, mem(3)(3) Available only on 80386 and later processors.It loads the speci 阅读全文
posted @ 2012-08-04 16:06 lydmom 阅读(427) 评论(0) 推荐(0) 编辑