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第 8 章 Combinational Logic Applications

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Presentation on theme: "第 8 章 Combinational Logic Applications"— Presentation transcript:

1 第 8 章 Combinational Logic Applications
Computer Organization and Design Fundamental 書籍作者:David Tarnoff 投影片製作者:陳鍾誠

2 8.1 Adders 半加器 全加器

3 半加器

4 Half Adder

5 半加器的電路

6 全加器

7

8

9

10 8.2 Seven-Segment Displays (七段顯示器 )

11 七段顯示器 – 方塊圖

12 七段顯示器 – 輸出入分析

13 七段顯示器 – 真值表

14 七段顯示器 -- E 字母的卡諾圖

15 七段顯示器 -- E 字母的電路圖

16 8.3 Active-Low Signals Our discussion previous to this suggests that the "on" signal is equivalent to a logic 1, but for a number of reasons, the standard method of enabling a device is not to send a logic 1. Instead, due to the nature of electronics, it is standard practice to enable devices with a logic 0 and disable them with a logic 1. This is called active-low operation, i.e., the device is active when its enable signal is low or logic 0. The device is inactive when the enable is high or logic 1.

17 8.4 Decoders 在某個條件下啟動 (致能=Enable)

18 微波爐啟動控制

19 蘇打水遞送

20 2 對 4 解碼器 Active High 版 Active Low 版

21 2 對 4 解碼器

22 8.5 Multiplexers (多工器)

23 多工器 -- 計算輸出

24 8.6 Demultiplexers (解多工器)

25 解多工器 -- 真值表

26 8.7 Integrated Circuits (積體電路, IC)

27 NAND IC

28 注意 IC 的方向標示

29 麵包板

30 麵包板的連線方式

31 麵包板的電路範例

32 LED 的電路符號

33 最簡單的電路


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