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2、 32H/37H/3BH/3FH =|4nm?g/ ? XUNHUAN2: MOV R0,#30HMOV R1,#40H?MOV R2,#10HLOOP2: MOV A,R0MOV R1,ADJNZ R2,LOOP2 ;wx?8?;?8? 2 _?8 ;t? 2 Z?8/?g=? 30H/?g=? 31H m PANDUAN1: MOV 30H,#10H MOV 31H,#4BHMOV R0,#30HMOV R1,#31HPAN0: MOV A,R0CLR CSUBB A,R1JNC PAN1MOV A,R0MOV 40H,R1MOV R0,40HMOV R1,APAN1: NOP ;END
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8、7PC138PC239PC31PC42RESET4PC558155RD17WR16P101P112P123P134P145P156P167P178P0039P0138P0237P0336P0435P0534P0633P0732P2021P2122P2223P2324P2425P2526P2627P27288051VCC?5? 3?A/j 8155 R? RST /j 8155 ? CE ? IO/M ?S4 A?KTA A15/A140 4R,UAj 8155 ? PA !?*+4n? LED0VLED7 ?0 ?Y? a)W? 8155 ?ZXY0 b)?4A C ? Keil C51 ZO
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