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DE2 练习源码2-1
Part I
We wish to display on the 7-segment displays HEX3 to HEX0 the values set by the switches SW15−0. Let the
values denoted by SW15−12, SW11−8, SW7−4 and SW3−0 be displayed on HEX3, HEX2, HEX1 and HEX0,
respectively. Your circuit should be able to display the digits from 0 to 9, and should treat the valuations 1010 to
1111 as don’t-cares.
1. Create a new project which will be used to implement the desired circuit on the Altera DE2 board. The
intent of this exercise is to manually derive the logic functions needed for the 7-segment displays. You
should use only simple VHDL assignment statements in your code and specify e
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Avr Serial Port Communication
Avr Serial Port Communication
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电压表/广告转换器程序
VOLTMETER/AD CONVERTER PROGRAM
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单片机学习资料，现成的试验程序，帮组学习单片机
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Freescale' s MCU routine
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本文给出了一种简单的嵌入式操作源代码，对学习嵌入式操作系统有帮助...
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嵌入式系统软件：嵌入式系统基础、嵌入式系统设计…
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实时时钟
完整的代码，用于实时时钟 DS1307 interfaceing 使用 8051 微控制器，interfaceing，使用 I2C 协议也接口更好的清晰度的液晶显示
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FAT文件应用在在硬盘上的分析，感觉还是比较透彻。
FAT文件应用在在硬盘上的分析，感觉还是比较透彻。-FAT file on your hard drive used in the analysis, the feeling is quite thorough.
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51单片机步进电机驱动程序
使用51单片机的输入口P3作为驱动口，步进电机使用的是4相电机28BYG-48，使用ULN2003作为驱动芯片，P3.0控制A相，P3.1控制B相，P3.2控制C相，P3.3控制D相，通过循环遍历数值表，使P3.0-P3.3交替产生高脉冲，频率不宜过高，太高的话步进电机只会内部振动，并不转动。相邻高电平之间的时间间隔在1-10ms之间就可以了
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