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c51編寫

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用C51編寫的74HC595驅(qū)動(dòng)數(shù)碼管通用程序，可顯示浮點(diǎn)數(shù)

#include #include /*used for _nop_() function*/sbit SDATA_595 =P1^3 ;/*串行數(shù)據(jù)輸入*/sbit SCLK_595 = P1^1;/*移位時(shí)鐘脈沖*/sbit RCK_595 =P1^2 ; /*輸出鎖存器控制脈沖*/#define AD_WR WR#define AD_RD RD#

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2018-07-06

74hc595 驅(qū)動(dòng)數(shù)碼管 c51編寫