-
Notifications
You must be signed in to change notification settings - Fork 136
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
3 changed files
with
145 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
|
|
||
| 对应的ppt | ||
| 5.4集成时序逻辑电路 [001](bookxnotepro://opennote/?nb={cff45fee-9974-476b-927d-0719bd210149}&book=6e29db57f6f97edcb69b1d2a086b94a1&page=0&x=363&y=221&id=26&uuid=f7f56978d3ccc924e50e0cdcbb907cf1) | ||
| 同步二进制集成化计数器 [001](bookxnotepro://opennote/?nb={e23f5637-4d4d-430c-8a18-0a7465dd0290}&book=6025bbfea05e96ef2b968b542152bdd2&page=0&x=144&y=105&id=66&uuid=50b2a312b2194e3a5d83327560e269ab) | ||
|
|
||
| # 集成计数器 | ||
|
|
||
|
|
||
|  | ||
| C：{{c1::进位输出}}端 | ||
| ^ID-1714881027235 | ||
|
|
||
|
|
||
| $\overline{LD}=$ $0$ 且来时钟时，$Q_{3}Q_{2}Q_{1}Q_{0}$置成$D_{3}D_{2}D_{1}D_{0}$ | ||
| EP、ET：均为高才工作 | ||
| $\overline{R_{D}}=$$0$,异步置0 | ||
|
|
||
| 集成计数器的功能由哪几个端口决定 | ||
|  | ||
| ?? | ||
| $EP、ET、\overline{LD},\overline{RD}$ | ||
| ^ID-1714881027244 | ||
|
|
||
| 什么时候才进行计数 | ||
|  | ||
| ?? | ||
| 均为1 | ||
|
|
||
| 如何在时钟上升沿读入数据 | ||
|  | ||
| ?? | ||
| $\overline{LD}$=0,其余均为1 | ||
| (load data =1) | ||
| ^ID-1714881027247 | ||
|
|
||
|
|
||
| 如何置0 | ||
|  | ||
| ?? | ||
| $\overline{RD}=0$,其余均为1 | ||
| ($reset data =1$) | ||
| ^ID-1714881027249 | ||
|
|
||
|
|
||
| $EP、ET$有一个为0 | ||
|  | ||
| ?? | ||
| 保持 | ||
| ^ID-1714881027251 | ||
|
|
||
|
|
||
| 74xx161和74xx163唯一的区别是什么 | ||
|  | ||
| ?? | ||
| 161异步置0 | ||
| 163同步置0 | ||
|
|
||
|
|
||
| 161的置0方式 | ||
|  | ||
| ?? | ||
| 异步 | ||
|
|
||
|
|
||
| 163的置0方式 | ||
|  | ||
| ?? | ||
| 同步 | ||
|
|
||
|
|
||
|
|
||
| 160 161 162 163如何区分 | ||
|  | ||
| 1. 大小 | ||
| 1. 小的{{c2::异步}} 大的{{c2::同步}} | ||
| 2. 奇偶 | ||
| 1. 奇数{{c1::2进制}}，偶数{{c1::10进制}} | ||
|
|
||
|
|
||
|
|
||
| 160 161 162 163如何区分 | ||
|  | ||
| 进制看{{c1::奇偶}}，异同看{{c1::大小}} | ||
|
|
||
|
|
||
|
|
||
| 实现任意进制可以利用哪两个端口 | ||
| {{c1::$\overline{LD}$,$\overline{R_{D}}$}} | ||
| ^ID-1714881027239 | ||
|
|
||
|
|
||
| # 单时钟可逆计数器 | ||
|
|
||
|
|
||
|  | ||
| 功能与哪几个端口有关 | ||
| ?? | ||
| $\bar{S},\overline{LD},\bar{U}/D$ | ||
|
|
||
|  | ||
| 如何保持 | ||
| ?? | ||
| $\bar{S},\overline{LD}$均为1 | ||
| (load data = 0) | ||
| (sum = 0) | ||
|
|
||
|  | ||
| 如何读入数据 | ||
| ?? | ||
| $\overline{LD}$=0 | ||
| (load data=1) | ||
| ^ID-1714881027253 | ||
|
|
||
|
|
||
|  | ||
| 如何计数 | ||
| ?? | ||
| $\overline{LD}=1$,(load data = 0) | ||
| $\bar{S}=0$,(sum =1) | ||
| ^ID-1714881027256 | ||
|
|
||
|
|
||
|  | ||
| 加计数需要$\bar{U}/D$ | ||
| ?? | ||
| L | ||
| ^ID-1714881027258 | ||
|
|
||
|
|
||
|
|
||
|  | ||
| 减计数需要$\bar{U}/D$ | ||
| ?? | ||
| H | ||
| ^ID-1714881027260 | ||
|
|
||
|  | ||
| C/B是什么端口？{{c1::进位/借位}} | ||
| 正向计数时$Q_{A}Q_{B}Q_{C}Q_{D}$=1111时，C=1,其它时，C=0。 | ||
| 反向计数时$Q_{A}Q_{B}Q_{C}Q_{D}$=0000时，B=1,其它时，B=0。 | ||
| $CP_{0}$={{c2::$CP×C/B$}} | ||
| ^ID-1714881027242 |