公开课链接:http://www.chinesemooc.org/kvideo.php?do=course_progress&kvideoid=4392&classesid=1967
4.1 算术运算和逻辑运算
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4.2 门电路的基本原理
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- 对NMOS管,Gate端高电平时导通
- 对PMOS管,Gate端低电平时导通
- 具体原理:https://blog.csdn.net/malcolm_110/article/details/96477442#comments_12747890
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4.3 寄存器的基本原理
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D触发器原理https://zhuanlan.zhihu.com/p/37137899
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4.4 逻辑运算的实现
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4.5 加法和减法的实现
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相反数获取方式:按位取反,末位加1
4.6 加法器的优化
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最简单的加法器
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Ripple-Carry-Adder 延迟时间分析
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高位的超前进位加法器(CLA)电路过于复杂,一般采取多个串联