... trong động cơ bước 18 19 12 MHz402930 31 9 17 16 15 14 13 12 11 10 RD\WR\T1T0INT1INT0TXDRXDA15A14A13A12A 11 A10A9A828272625242322 21 8765432 1 3233343536373839Po.7Po.6Po.5Po.4Po.3Po.2Po .1 Po.0AD7AD6AD5AD4AD3AD2AD1AD0P1.7P1.6P1.5P1.4P1.3P1.2P1 .1 P1.0P2.7P2.6P2.5P2.4P2.3P2.2P2 .1 P2.0PSEN\ALEEA\RETVcc20Vss30p30pXTAL1XTAL2ABCDA',B',C',D'RET; ... R2,AANL A, #11 110 000bORL A,R3MOV p1,AMOV A,R1MOV B,R2RET; TURN LEFT TLeft:RR AMOV R1,AANL A,#000 011 11bMOV p1,AMOV A,R1RET; TURN RIGHT TRight:RL AMOV R1,AANL A,#000 011 11bMOV p1,AMOV ... delayMOV R1,AMOV A,p2ANL A,#00000001bJZ ttlMOV A,R1gl1:ACALL tleftACALL delayDJNZ R4,gl1CLR p0 .1 MOV 7fh,#00hMOV IE, #10 00 010 1BRETI; INT 01 int1:MOV 7fh,#01hMOV IE, #10 000001BRETI;...