20春学期《数字信号处理器原理及应用》在线平时作业3

adminhan · 发表于 2020-8-8 18:59:52

<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">PIE 支持的<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">      个中断
A:64
B:96
C:32
D:128

<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">CAN 总线的核心技术是它的       
A:<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">MAC 应用协议
B:网络层协议
C:电平标准
D:芯片性能

中断向量表中每个中断都对应一个<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">    位的中断入口地址 
A:64
B:16
C:32
D:8

CAN2.0B 总线规范定义扩展帧有      位的标识<o:p></o:p>
A:11
B:16
C:29
D:9

看门狗可以提高系统的     
A:效率
B:成本
C:可靠性
D:频率

<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">CAN 总线通信速率最高达<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:<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">100Mbps<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">   
B:<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">1<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">15200bps
C:<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">9600bps
D:1Mbps<o:p></o:p>

当总线处于空闲状态时呈<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:隐性电平
B:显性电平
C:高电平
D:低电平

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: TimesNewRomanPSMT; mso-hansi-font-family: TimesNewRomanPSMT; mso-bidi-font-family: TimesNewRomanPSMT; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">事件管理器的捕获单元用来对外部硬件信号的<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">      <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:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: TimesNewRomanPSMT; mso-hansi-font-family: TimesNewRomanPSMT; mso-bidi-font-family: TimesNewRomanPSMT; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">输入响应
B:时间测量<o:p></o:p>
C:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: TimesNewRomanPSMT; mso-hansi-font-family: TimesNewRomanPSMT; mso-bidi-font-family: TimesNewRomanPSMT; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">模数转换
D:<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">PWM<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: TimesNewRomanPSMT; mso-hansi-font-family: TimesNewRomanPSMT; mso-bidi-font-family: TimesNewRomanPSMT; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">控制

定时器计数器与周期寄存器匹配一个时钟周期后，<a name="OLE_LINK65"></a><a name="OLE_LINK64"><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>
A:执行定时中断程序
B:周期中断标志置位<o:p></o:p>
C:执行周期中断程序
D:执行匹配中断程序

<div>TMS320X28XX系列处理器CAN总线接口支持   标准</div>
A:<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 宋体; 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">CAN<st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2" unitname="a">2.0A</st1:chmetcnv>, CAN<st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2" unitname="C">2.0C</st1:chmetcnv>
B:<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 宋体; 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">CAN<st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2" unitname="C">2.0C</st1:chmetcnv>
C:<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 宋体; 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">CAN2.0B,CAN<st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2" unitname="C">2.0C</st1:chmetcnv>
D:<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 宋体; 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">CAN<st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2" unitname="a">2.0A</st1:chmetcnv>,CAM2.0B

C28x 处理器提供的串行外设接口 (SPI)是一个高速异步的串行输入输出接口。
A:错误
B:正确

C28x 系列数字信号处理器集成了增强型CAN总线通信接口，带有16个完全可配置邮箱和定时邮递（time-stamping）功能的增强型CAN总线模块。
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

   如果外设级中断没有被使能，中断标志寄存器的标志位将自动清除。
A:错误
B:正确

<div>断点的作用在于暂停程序的运行，可以在源代码编辑窗口的源代码的某一行或汇编窗口中设置断点。断点设置完成后不可以禁止。</div>
A:错误
B:正确

SPI 的通信速率和通信数据长度都是可编程的。
A:错误
B:正确

C2812的SPI有两种操作模式：“基本操作模式”和“增强的LIFO缓冲模式”。
A:错误
B:正确

如果复用引脚配置为“数字I/O”模式，可以直接利用数据寄存器直接对I/O操作（读/写），也可以利用其他辅助寄存器对各I/O进行独立操作。
A:错误
B:正确

 使用ADC采集外部信号时，可以选择“同时”和“顺序”两种转换模式。
A:错误
B:正确

CAN 总线可以保证在产生总线冲突情况下，具有更高优先级的消息没有延时的传输。
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3

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