| AVR单片机并口ISP下载线的工作原理及其程序设计 |
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| 引用本文： | 安郁宽.AVR单片机并口ISP下载线的工作原理及其程序设计[J].电脑开发与应用,2008,21(10):47-49. |
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| 作者姓名： | 安郁宽 |
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| 作者单位： | 滨州医学院,烟台,264003 |
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| 摘 要： | 通常ISP下载线的硬件电路和软件设计都比较复杂，不易掌握。介绍一种硬件电路和软件设计都很简单的AVR单片机下载程序设计。下载线为并口ISP下载线。分析了PC机并口相关电路和ISP下载线电路的工作原理，介绍了AVR单片机的串行编程指令及其算法。最后，以AVR单片机的ATtinyl3芯片为例给出了C语言编写的ISP下载程序。
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| 关 键 词： | AVR单片机 并口ISP下载线 工作原理 串行下载 程序设计 |
The Principle and Programming of Parallel Port ISP Download Cable Of AVR MCU |
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| An Yukuan.The Principle and Programming of Parallel Port ISP Download Cable Of AVR MCU[J].Computer Development & Applications,2008,21(10):47-49. |
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| Authors: | An Yukuan |
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| Abstract: | Most of the hardware circuit and software design of ISP download cable are complicated,hence hard to master.In this paper,a kind of AVR MCU's downloading program design,the hardware circuit and software design of which are both very simple,is introduced.The download cable is a parallel port ISP one.The paper analyzes the principle of the related PC's parallel port circuit and the circuit of ISP download cable,and introduces AVR MCU's serial programming instruction as well as it's algorithm.In the end,the ATtiny13 chip of AVR MCU is taken as an example to provide the ISP downloading program written in C language. |
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| Keywords: | AVR MCU parallel port ISP download cable principle serial downloading programming |
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