FREQV3

所属分类:单片机开发
开发工具:Visual C++
文件大小:130KB
下载次数:21
上传日期:2011-02-21 10:40:04
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说明:   以AT89C51单片机为控制器件的频率测量方法,它以测量周期的方法对正弦波、方波、三角波的频率进行自动的测量。 设计一个频率计系统,频率在6位数码管上进行显示,如下图。从左到右依次为频率的十万位、万位、千位、百位、十位、个位。
(include"reg51.h" #define Disp_Addr P2 #define Disp_Data P0 typedef unsigned char BYTE typedef unsigned int WORD typedef unsigned long DWORD bit flag = 0 BYTE num = 0 BYTE count_50ms = 0 BYTE t0_count = 0 DWORD freq = 0 )

文件列表:
FREQV3\FREQ.hex (2353, 2011-01-09)
FREQV3\FREQ.M51 (8934, 2011-01-09)
FREQV3\FREQ.Opt (1257, 2011-01-09)
FREQV3\FREQ.Uv2 (1987, 2011-01-09)
FREQV3\FREQ_Opt.Bak (1257, 2011-01-09)
FREQV3\FREQ_Uv2.Bak (2106, 2011-01-08)
FREQV3\Last Loaded 复件 频率计.DBK (134545, 2011-01-09)
FREQV3\Last Loaded 频率计.DBK (134548, 2011-01-09)
FREQV3\reg51.h (2417, 2010-11-28)
FREQV3\STARTUP.A51 (6376, 2005-03-22)
FREQV3\复件 频率计.PWI (742, 2011-01-09)
FREQV3\频率计.PWI (1078, 2011-01-09)
FREQV3\新建 Microsoft Word 文档.doc (87552, 2011-01-08)
FREQV3\频率计.DSN (151466, 2011-01-09)
FREQV3\main.c (2410, 2011-01-09)
FREQV3\main.LST (6901, 2011-01-09)
FREQV3\main.OBJ (6807, 2011-01-09)
FREQV3\FREQ (6073, 2011-01-09)
FREQV3 (0, 2011-01-09)
FREQV3\FREQ.plg (355, 2011-01-09)

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