[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fjr4gmtLbdlFOWT3pz6Ex9cxrX2Fc8l0ghyV20VR7dDg":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2023-10-27 19:15:55",101989168,[8,9,10,11],"有两个串口通信接口USART0和USATR1","串口可以运行于异步UART模式","串口可以运行于同步SPI模式","通过U0DBUF寄存器可以设置串口对应外部I\u002FO口引脚映射关系",{"courseId":13,"courseImg":14,"courseName":15},"1a302af59418297404812e7d2dd40700","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fba5e0ff6ce0abc518220aa5c7af34872.jpg","传感网技术与应用","关于CC2530的串口通信模块,说法错误的是( )",[18,29,32,41,50,59,68,75,83,92],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],101989165,[22,23,24,25],"APCFG","PERCFG","UxCSR","UxUCR","在CC2530的串口通讯中,用于选择串口位置的寄存器是","v1",0,{"answer":30,"createTime":5,"id":6,"options":31,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":27,"type":28},[],101989170,[36,37,38,39],"CMOS","RS-232","TTL","USB","CC2530单片机串口引脚输出信号为( )电平",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":27,"type":28},[],101989171,[45,46,47,48],"temp = U0DBUF","temp = U1DBUF","temp = SBUF0","temp = SBUF1","当CC2530单片机串口0接收到数据时,可用以下代码( )将接收到的数据存储到变量temp中",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":27,"type":28},[],101989172,[54,55,56,57],"只有慢速设备才使用串行接口","串行接口只能一位一位地顺序传输数据","串行接口只能连接一个外设","串行接口的数据传输速率一定低于并行接口","下列关于串行接口的描述,正确的是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":27,"type":28},[],101989174,[63,64,65,66],"3","4","8","9","如果int a=3,b=4;则条件表达式 "a>b?8:9"的值是()",{"answer":69,"createTime":5,"id":70,"options":71,"question":74,"source":27,"type":28},[],101989176,[72,73,24,22],"U0GCR","UxDBUF","CC2530的串口通信中,修改( )寄存器对通信波特率有影响",{"answer":76,"createTime":5,"id":77,"options":78,"question":82,"source":27,"type":28},[],101989177,[65,79,80,81],"12","16","20","CC2530中的定时器4为( )位定时计数器",{"answer":84,"createTime":5,"id":85,"options":86,"question":91,"source":27,"type":28},[],101989178,[87,88,89,90],"a , point , *&a","&*a , &a , *point","*&point, *point , &a","&a , &*point , point","若有语句 int *point , a=4 ; point = &a; 下面均代表地址的一组选项是( )",{"answer":93,"createTime":5,"id":94,"options":95,"question":100,"source":27,"type":28},[],101989180,[96,97,98,99],"P1INP = 0x00; P2INP =0x00","P0INP = 0Xff; P2INP =0x00","P1INP = 0x00; P2INP |= 0x40","P0INP = 0xFF; P2INP |=0x20","CC2530单片机的I\u002FO口线置为输入下拉模式,哪个正确?( )"]