| CPLD在数字频率测量中的应用 |
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| 引用本文： | 肖金球,潘敬熙,诸跃进.CPLD在数字频率测量中的应用[J].微计算机信息,2005(19). |
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| 作者姓名： | 肖金球 潘敬熙 诸跃进 |
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| 基金项目： | 江苏省教育厅自然科学基金项目编号:04KJD560167 |
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| 摘 要： | 本文介绍了以CPLD为核心处理芯片的频率测量系统,整个频率测量系统由CPLD和单片机(89C51)构成,CPLD采集被测频率源,再由单片机读取频率值并由液晶同步显示频率和周期。本系统结合了CPLD的高速及单片机(MCU)的运算控制二个特点。
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| 关 键 词： | CPLD 频率测量 VHDL 单片机 |
Digital Frequency Measurement Based on CPLD |
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| Abstract: | This Paper introduces the frequency measurement sys-tem that takes the CPLD as the core process chip; the wholefrequency measurement system is composed of the CPLD andMCU (89C51). The acquisition of frequency source measured isdone by the CPLD, then the MCU reads the value of frequencyand the LCD displays the frequency and cycles synchronously.This system combines the two features of the CPLD' s highspeed and MCU' s operation control. |
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| Keywords: | CPLD Frequency Measurement VHDL MCU |
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