51单片机产生正弦波

jackxiang 2010-8-1 14:20 | |
51单片机产生正弦波






ORG  00H
LJMP MAIN
ORG 0100H
MAIN:
    MOV DPTR,#sinTab
LOOP:
    CLR  A
    MOVC  A,@A+DPTR
    CJNE  A,#129,LOOP1
    AJMP   MAIN
LOOP1:
    MOV P3,A
    INC DPTR
    AJMP LOOP

sinTab:DB 128,132,137,141,146,150,154,159,163,167
       DB 171,176,180,184,188,191,195,199,203,206
       DB 210,213,216,219,222,225,228,231,233,236
       DB 238,240,242,244,246,247,249,250,251,252
       DB 253,254,254,255,255,255,255,255,254,254
       DB 253,252,251,250,249,247,246,244,242,240
       DB 238,236,233,231,228,225,222,219,216,213
       DB 210,206,203,198,195,192,188,184,180,176
       DB 172,167,163,159,155,150,146,141,137,133
       DB 128,124,119,115,111,106,102,97,93,89,85
       DB 81,77,73,69,65,61,57,54,50,47,43,40,37
       DB 34,31,28,25,23,20,18,16,14,12,10,9,7
       DB 6,5,4,3,2,2,1,1,1,1,1,2,2,3,4,5,6
       DB 7,9,10,12,14,16,18,20,23,25,28,30,33,36
       DB 40,43,46,50,53,57,60,64,68,72,76,80,84
       DB 88,93,97,101,106,110,114,119,123,128,129

作者:jackxiang@向东博客 专注WEB应用 构架之美 --- 构架之美,在于尽态极妍 | 应用之美,在于药到病除
地址:http://jackxiang.com/post/3362/
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