protues原理图:ADC0809和51单片机 (http://wenku.baidu.com/view/2bed0b186bd97f192279e9ed.html第一页就有说明) 这是怎么回事?谢谢 lycdl 本回答由提问者推荐 匿名用户 1级 2018-05-29 回答 这是51。
求一个USB接口(ch340)的51单片机 最小系统版 原理图 给一个现成实验板pdf图,仅供参考
急求用89c51单片机 音乐两只老虎的汇编程序及仿真原理图 谢谢! 那个程序刚刚给你找了好久才找到,呵呵HUAN BIT 20HORG 0000HJMP MAINORG 000BHMOV TL0,R2MOV TH0,R3CPL P3.5RETIORG 001BHDJNZ R4,GOONMOV IE,#80HJMP T1ENDGOON:MOV TL1,#3CHMOV TH1,#0B0HT1END:RETIORG 0100HMAIN:MOV R5,#99HLOOP:MOV TMOD,#11HMOV IP,#02HMOV TH0,#3CHMOV TL0,#0B0HSETB EANEXT:MOV DPTR,#TABMOV R1,#00HL1:MOV A,R1MOVC A,@A+DPTRMOV R3,AJZ L3INC R1MOV A,R1MOVC A,@A+DPTRMOV R2,AXRL A,#0FFHJNZ L4MOV A,R3XRL A,#0FFHJZ L5L4:INC R1MOV A,R1L3:MOVC A,@A+DPTRMOV R4,AMOV TH0,R3MOV TL0,R2SETB ET0SETB TR0SETB ET1SETB TR1SETB HUANJB HUAN,$INC R1CJNE R1,#00H,L2INC DPHL2:JMP L1L5:DJNZ R5,LOOPJMP$TAB:DB 0FBH,0F9H,08H,0FCH,066H,08H,0FCH,0C7H,08H,0FBH,0F9H,08HDB 0FBH,0F9H,08H,0FCH,066H,08H,0FCH,0C7H,08H,0FBH,0F9H,08HDB 0FCH,0C7H,08H,0FCH,0F3H,08H,0FDH,0A4H,10H,0FCH,0C7H,08HDB 0FCH,0F3H,08H,0FDH,04AH,08H,0FDH,04AH,04H,0FDH,095H,04HDB 0FDH,04AH,04H,0FCH,0F3H,04H,0FCH,0C7H,08H,0FBH,0F9H,08HDB 0FDH,04AH,04H,0FDH,095H,04H,0FDH,4AH,08H,04H,0。