| 基于ATmega8的DDS信号发生器的设计 |
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| 引用本文： | 全晶,郑正奇,王松,彭雁,陈明华. 基于ATmega8的DDS信号发生器的设计[J]. 微计算机信息, 2005, 0(21) |
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| 作者姓名： | 全晶 郑正奇 王松 彭雁 陈明华 |
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| 基金项目： | 上海市经委项目“RFID人脸部特征识别系统的研究”(项目编号04-11-2) |
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| 摘 要： | 本文介绍了由AVR单片机ATmega8控制DDS芯片AD9832开发的一种高频率精度信号发生器,着重讨论了DDS技术的基本工作原理、特点,以及ATmega8控制系统的硬件结构和基于BASCOM-AVR的软件设计流程图。此外,还对ATmega8和BASCOM-AVR的特点进行了介绍。
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| 关 键 词： | DDS 信号发生器 ATmega8 BASCOM-AVR |
The Design of DDS Signal Generator Based on ATmega8 |
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| Abstract: | In this paper, a kind of high precision frequency signal generator bas ed on DDS chip AD9832 and controlled by AVR MCU ATmega8 is introduced. The gener al working theory of DDS technology and its characteristics, including the hardw are structure of the ATmega8 controlled system and the software design flow char tbased on BASCOM-AVR, are discussed. What's more, the features of ATmega8 and B ASCOM-AVR are also presented. |
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| Keywords: | DDS Signal generator ATmega8 BASCOM-AVR |
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