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📄 ad7705在电子秤中的应用 嵌入式 非常编程网.htm

📁 本人参见电子竞赛的时候搜集和整理的有关电子秤的资料
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SCON,#00000000B;禁用SCON<BR>&nbsp;&nbsp;&nbsp;MOV 
A,#20H<BR>&nbsp;&nbsp;&nbsp;ACALL WRITE<BR>&nbsp;&nbsp;&nbsp;MOV 
SCON,#00000000B<BR>&nbsp;&nbsp;&nbsp;MOV A,#05H<BR>&nbsp;&nbsp;&nbsp;ACALL 
WRITE<BR>&nbsp;&nbsp;&nbsp;MOV SCON,#00000000B<BR>&nbsp;&nbsp;&nbsp;MOV 
A,#010H<BR>&nbsp;&nbsp;&nbsp;ACALL WRITE<BR>&nbsp;&nbsp;&nbsp;MOV 
SCON,#00000000B<BR>&nbsp;&nbsp;&nbsp;MOV A,#70H<BR>&nbsp;&nbsp;&nbsp;ACALL 
WRITE&nbsp;<BR>&nbsp;&nbsp;&nbsp;MOV SCON,#00000000B<BR>&nbsp;&nbsp;&nbsp;A2: 
JNB 00H,A2 ;等待INT1中断<BR>&nbsp;&nbsp;&nbsp;MOV A,#38H<BR>&nbsp;&nbsp;&nbsp;ACALL 
WRITE<BR>&nbsp;&nbsp;&nbsp;RDATA<BR>&nbsp;&nbsp;&nbsp;DPROCESS<BR>&nbsp;&nbsp;&nbsp;AJMP 
A2 </P>
<P align=center><IMG 
src="AD7705在电子秤中的应用 嵌入式 非常编程网.files/061228152731395.gif"></P>
<P><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
图6 
主程序流程图<BR>&nbsp;&nbsp;&nbsp;WRITE:<BR>&nbsp;&nbsp;&nbsp;NOP<BR>&nbsp;&nbsp;&nbsp;MOV 
R0,#08H<BR>&nbsp;&nbsp;&nbsp;ACALL 
NU1<BR>&nbsp;&nbsp;&nbsp;RET<BR>&nbsp;&nbsp;&nbsp;NU1: RLC 
A<BR>&nbsp;&nbsp;&nbsp;JNC NU2<BR>&nbsp;&nbsp;&nbsp;CLR 
0B1H<BR>&nbsp;&nbsp;&nbsp;SETB 0B0H<BR>&nbsp;&nbsp;&nbsp;SETB 
0B1H<BR>&nbsp;&nbsp;&nbsp;SJMP NU3<BR>&nbsp;&nbsp;&nbsp;NU2: CLR 
0B1H<BR>&nbsp;&nbsp;&nbsp;CLR 0B0H<BR>&nbsp;&nbsp;&nbsp;SETB 
0B1H<BR>&nbsp;&nbsp;&nbsp;NU3: DEC R0<BR>&nbsp;&nbsp;&nbsp;DJNZ 
R0,NU1<BR>&nbsp;&nbsp;&nbsp;RET<BR>&nbsp;&nbsp;&nbsp;RDATA:<BR>&nbsp;&nbsp;&nbsp;MOV 
R2,#02H<BR>&nbsp;&nbsp;&nbsp;MOV R3,#08H<BR>&nbsp;&nbsp;&nbsp;MOV 
R4,#20H<BR>&nbsp;&nbsp;&nbsp;CLR C<BR>&nbsp;&nbsp;&nbsp;MOV 
A,#00H<BR>&nbsp;&nbsp;&nbsp;RD1: CLR 0B1H<BR>&nbsp;&nbsp;&nbsp;MOV 
C,0B0H<BR>&nbsp;&nbsp;&nbsp;SETB 0B1H<BR>&nbsp;&nbsp;&nbsp;RLC 
A<BR>&nbsp;&nbsp;&nbsp;DJNZ R3,RD1<BR>&nbsp;&nbsp;&nbsp;MOV 
R4,A<BR>&nbsp;&nbsp;&nbsp;INC R4<BR>&nbsp;&nbsp;&nbsp;DJNZ 
R2,RD1<BR>&nbsp;&nbsp;&nbsp;RET<BR>&nbsp;&nbsp;&nbsp;DPROCESS:<BR>&nbsp;&nbsp;&nbsp;……<BR>&nbsp;&nbsp;&nbsp;RET<BR>&nbsp;&nbsp;&nbsp;ADINT:<BR>&nbsp;&nbsp;&nbsp;SETB 
00H<BR>&nbsp;&nbsp;&nbsp;RETI<BR>&nbsp;&nbsp;&nbsp;END 
</P>本文来源:电子产品世界&nbsp;&nbsp;&nbsp;&nbsp;作者:金春雨  陶淼 </DIV>
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