设STM32 ADC1的CR2寄存器的[19:17]位设为4,则其启动转换触发源为()
A: TIM1的CC1事件
B: TIM3的TRGO事件
C: TIM4的CC4事件
D: 软件触发
A: TIM1的CC1事件
B: TIM3的TRGO事件
C: TIM4的CC4事件
D: 软件触发
举一反三
- Tim:Hey,Hilary.Howisyour(1)___________thissemester? Hilary:Letmesee.Ihaveitrighthere.Itlooksprettybusy.IhavemathclassonTuesdayandThursdaymorning.OnMonday,WednesdayandFridayafternoonIhavephysics.Thosearemy(2)___________coursesbecauseI’maphysicsmajor. Tim:Howabout(3)___________classes?Areyoutakinganythingelse? Hilary:Yes,I’mtakingacourseinRomanhistoryasanelective.TheclassiseveryFridaymorning.Howaboutyou,Tim?Howisyourschedulethis(4)___________? Tim:It’scrazy!IhaveEnglishclasseveryday.IamtakingaShakespeareclass,too.Heismy(5)___________writer.It’sgoingtobeabusysemester. Hilary:Youcansaythatagain. Unit1
- 触发源用于启动SOC配置的通道进行转换。每个SOC的触发源可以配置为以下( )。– 软件立即触发– ePWM 1-4的SOCA和SOCB– GPIO XINT2– CPU 定时器0/1/2中断– ADCINT1/2。用自身转换结束信号作为触发,可以用于通道的连续转换控制 A: 任意一个事件 B: 任意两个事件 C: 任意三个事件 D: 任意四个事件
- 设A,B为随机事件,已知P(A)=1/4,P(B∣A)=1/2,P(A∣B)=1/3,则P(AUB)=() A: 1/8 B: 1/4 C: 3/8 D: 1/2
- 实现创建一个 JavaScript 数组的语法是 _________ A: var txt = newArray("tim","kim","jim") B: var txt = newArray(1:"tim",2:"kim",3:"jim") C: var txt = new Array="tim","kim","jim" D: var txt = newArray:1=("tim")2=("kim")3=("jim")
- 28027中ADC模块启动的触发源有( )种。触发源:(1)S/W - 软件立即启动(2)ePWM 1-4(3)GPIO XINT2(4)CPU 定时器0/1/2(5)ADCINT1/2 A: 2 B: 3 C: 4 D: 5