51单片机指令大全.doc

"助记符 "指令说明 "字节数 "周期数 " "（数据传递类指令） " "MOV "A，Rn "寄存器传送到累加器 "1 "1 " "MOV "A，direct "直接地址传送到累加器 "2 "1 " "MOV "A，@Ri "累加器传送到外部RAM(8 地址) "1 "1 " "MOV "A，#data "立即数传送到累加器 "2 "1 " "MOV "Rn，A "累加器传送到寄存器 "1 "1 " "MOV "Rn，direct "直接地址传送到寄存器 "2 "2 " "MOV "Rn，#data "累加器传送到直接地址 "2 "1 " "MOV "direct，Rn "寄存器传送到直接地址 "2 "1 " "MOV "direct，direc"直接地址传送到直接地址 "3 "2 " " "t " " " " "MOV "direct，A "累加器传送到直接地址 "2 "1 " "MOV "direct，@Ri "间接RAM 传送到直接地址 "2 "2 " "MOV "direct，#data"立即数传送到直接地址 "3 "2 " "MOV "@Ri，A "直接地址传送到直接地址