20春学期《数字信号处理器原理及应用》在线平时作业1

adminhan · 发表于 2020-8-8 18:59:52

<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: TimesNewRomanPSMT; mso-bidi-font-family: TimesNewRomanPSMT; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">TMS<st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="320" unitname="F">320F</st1:chmetcnv>2812的串口支持      级接收和发送<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: TimesNewRomanPSMT; mso-bidi-font-family: TimesNewRomanPSMT; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">FIFO
A:8
B:16
C:32
D:64

<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">TMS<st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="320" unitname="C">320C</st1:chmetcnv>28X<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">系列<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">DSP<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">的特点不包括（）
A:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">精度高
B:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">速度快
C:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">集成度高
D:低功耗

如果不明原因使CPU进入死循环，而不进行看门狗复位，看门狗将产生一个     信号
A:警告
B:错误
C:提示
D:复位

<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">SPI数据字长      
A:<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">1<a name="OLE_LINK86"></a><a name="OLE_LINK85">~</a>8
B:1~16<o:p></o:p>
C:8
D:16

SCI的数据帧包括一个起始位、1至8位的数据位、     的奇偶校验位<o:p></o:p>
A:二个可选
B:三个可选
C:一个可选
D:一个必须<o:p></o:p>

SCI采用硬件对通信数据进行      检查<o:p></o:p>
A:极性和数据格式
B:通信数据<o:p></o:p>
C:通信协议
D:通信速率<o:p></o:p>

<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">CAN总线访问采用<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: TimesNewRomanPSMT; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">      
A:单<a name="OLE_LINK105"></a>主原则
B:多主原则
C:无主原则
D:主从原则<o:p></o:p>

<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: TimesNewRomanPSMT; mso-bidi-font-family: TimesNewRomanPSMT; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">SPI主设备负责产生系统时钟，并决定整个<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: TimesNewRomanPSMT; mso-bidi-font-family: TimesNewRomanPSMT; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">SPI网络的<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">     <span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> 
A:通信速率 
B:拓扑结构
C:电平标准
D:通信协议<o:p></o:p>

采用功率开关管在输出大电流的情况下，可以通过使开关管工作在         来获得较小功率损耗
A:线性区域
B:放大状态
C:静态切换状态
D:击穿状态

 当PWM输出为低电平有效时，它的极性与相关的非对称/对称波形发生器的极性    <o:p></o:p>
A:无关
B:相反
C:相等
D:相同

<div><div><span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">看门狗定时器是一个独立于 CPU <span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的计数单元，如果不采用特定的指令周期的看门狗定时器计数，则看门狗单元将使系统复位。</div></div>
A:错误
B:正确

一旦PIE控制器有中断产生，相应的中断标志位(PIEIFRx.y)将被置1。如果相应的PIE中断使能位也被置1，CPU直接相应中断。
A:错误
B:正确

  当捕获单元完成一个捕获时，在FIFO中至少有一个有效的值，如果中断未被屏蔽，中断标志位置位，产生一个外设中断请求。<o:p></o:p>
A:错误
B:正确

<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">Q30格式的数据可以表达<v:shapetype id="_x0000_t75" stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" o:preferrelative="t" o:spt="75" coordsize="21600,21600"> <v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path o:connecttype="rect" gradientshapeok="t" o:extrusionok="f"></v:path><o:lock aspectratio="t" v:ext="edit"></o:lock></v:shapetype><v:shape id="_x0000_i1025" style="WIDTH: 41.25pt; HEIGHT: 11.25pt" o:ole="" type="#_x0000_t75"><v:imagedata o:title="" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image001.wmz">-π―π</v:imagedata></v:shape>之间的范围
A:错误
B:正确

<div>28xx 有4 级带有流水线存储器访问的流水线保护机制，流水线使得28xx 高速运行时不需要大容量的快速存储器。</div>
A:错误
B:正确

当通用定时器处于连续递增<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: TimesNewRomanPSMT; mso-fareast-font-family: 宋体; mso-bidi-font-family: TimesNewRomanPSMT; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">/递减计数模式时，产生对称波形。
A:错误
B:正确

从设备驱动总线上的时钟信号为其它主设备提供通信时钟。
A:错误
B:正确

  TMS<st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="320" unitname="F">320F</st1:chmetcnv>2812 处理器支持内部振荡器和外部时钟源两种时钟模式。
A:错误
B:正确

   CAN总线访问采用多主原则，所有节点都可以作为主节点占用总线。
A:错误
B:正确

 事件管理器的捕获单元用来对外部硬件信号的时间测量，利用边沿检测单元测量外部信号的时间差，从而可以确定电机转子的转速。
A:错误
B:正确

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20春学期《数字信号处理器原理及应用》在线平时作业1

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