[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fh-55o4gx3CzX5tlzwLzBBe9WR7CekFVMlSXE_kuyM28":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":29,"type":30},[],"2023-05-09 07:14:29",14773794,[8,9,10,11],"DAC12RES=0, DAC12IR=1","DAC12RES=0, DAC12DF=1","DAC12IR=1, DAC12DF=0","DAC12RES=1, DAC12IR=1",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000007583","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe2b9761c2e57dafb2d243804430060d7.jpg","[公开课]单片机技术","8094213","第三章单元测试","若要设置DAC12的模拟输出电压对应参考电压的1倍(分辨率为12位),则需设置( )",[20,31,34,43,53,62,71,80,89,98],{"answer":21,"createTime":5,"id":22,"options":23,"question":28,"source":29,"type":30},[],14773764,[24,25,26,27],"无符号和有符号乘法","无符号和有符号乘法和累加","16x16 位,16x8 位,8x16 位,8x8 位","无符号法","MSP430硬件乘法器支持( )","v2",0,{"answer":32,"createTime":5,"id":6,"options":33,"question":18,"source":29,"type":30},[],[8,9,10,11],{"answer":35,"createTime":5,"id":36,"options":37,"question":42,"source":29,"type":30},[],14773801,[38,39,40,41],"在Flash中,一个字节\u002F字写周期开始","&mdash;个块写周期从RAM中开始","在Flash中,一个块写周期开始","&mdash;个字节\u002F字写周期从RAM开始","当BLKWRT和WRT被设置时,下列说法正确的是( )",{"answer":44,"createTime":5,"id":45,"options":46,"question":51,"source":29,"type":52},[],14773835,[47,48,49,50],"低价格","快速读取","非易失性","高功耗","Flash存储器的特点是( )",1,{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":29,"type":30},[],14774006,[57,58,59,60],"看门狗定时器是一个间隔定时器(计时器,T)","看门狗定时器是关闭的","清除看门狗定时器计数器","重启看门狗定时器","MSP430中,当看门狗定时器控制位WDTTMSEL被置位时,( )",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":29,"type":52},[],14774127,[66,67,68,69],"将数据从一个位置转移到另一个位置,无须CPU干预","增加外设模块的吞吐量","降低系统功耗(CPU在低功耗模式)","需要CPU干扰","DMA控制器可以( )",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":29,"type":30},[],14774148,[75,76,77,78],"设置PxDIR方向寄存器位","设置PxSEL功能选择寄存器位","设置PxIN寄存器位","设置PxOUT寄存器位","若要配置MSP430&mdash;个端口引脚为输出,需要( )",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":29,"type":30},[],14774188,[84,85,86,87],"系统上电时都被初始配置为输出端口","在应用程序进行时保持不变","在程序每一步均不同","系统上电时都被初始配置为输入端口","对于MSP430系统,所有的I\u002FO端口( )",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":29,"type":30},[],14774267,[93,94,95,96],"时钟系统的LFXT1振荡器可以采用高频晶振运行","LFXT1振荡器将关闭","时钟系统的LFXT1振荡器可以采用低频晶振运行","XT2振荡器被使能","若UCSCTL6控制寄存器中的XTS位被使能,则( )",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":29,"type":30},[],14774306,[102,103,104,105],"32768","32767","16384","65536","当Timer A的时钟源为ACLK (32768Hz)并被配置为比较模式时,为产生每秒一次中断,需向TACCR0寄存器写入的值为( )"]