[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fZxW9r3udhIKGggm1MBtHJU9-VdL0T061WEQwXyE5Sh0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-04-27 09:51:54",140518682,[8,9,10,11],"HSI","HSE","RC","LSE",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},34,"1e9135efa054f58dba2ff5b5f91cd2ac","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F25b30343053994e8940089572d36015b.jpg","嵌入式系统及应用","5dd33dfca28f4d88bdb13d17e12cf182","第二单元测验","STM32F系列芯片系统复位后,( )振荡器被选为系统时钟",[21,33,38,47,52,61,68,77,86,95],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-04-27 09:51:53",140518673,[26,27,28,29],"ICode总线","DCode总线","系统总线","DMA总线","将Cortex™-M3内核的指令总线与片上闪存存储指令接口相连接的总线,称为( )","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":37,"source":31,"type":32},[],140518674,[26,27,28,29],"将Cortex™-M3内核的数据总线与闪存存储器的数据接口相连接的总线,称为( )",{"answer":39,"createTime":23,"id":40,"options":41,"question":46,"source":31,"type":32},[],140518675,[42,43,44,45],"8M","16M","36M","72M","STM32F103系列MCU的APB1总线工作频率最高为( )Hz",{"answer":48,"createTime":23,"id":49,"options":50,"question":51,"source":31,"type":32},[],140518676,[42,43,44,45],"STM32F103系列MCU的APB2总线工作频率最高为( )Hz",{"answer":53,"createTime":23,"id":54,"options":55,"question":60,"source":31,"type":32},[],140518677,[56,57,58,59],"256M","1G","4G","8G","STM32F103系列MCU的程序和数据存储、各外设寄存器等地址空间大小为( )字节",{"answer":62,"createTime":23,"id":63,"options":64,"question":67,"source":31,"type":32},[],140518678,[65,56,66,57],"128M","512M","STM32F103系列MCU将可访问的存储器空间分成8个主要块,每个块为( )字节",{"answer":69,"createTime":23,"id":70,"options":71,"question":76,"source":31,"type":32},[],140518679,[72,73,74,75],"高速外部时钟信号","高速内部时钟信号","实时钟信号","锁相环","STM32F103系列MCU的HSE时钟源,称为( )",{"answer":78,"createTime":23,"id":79,"options":80,"question":85,"source":31,"type":32},[],140518680,[81,82,83,84],"复位控制","时钟控制","复位和时钟控制","锁相环倍频控制","在STM32F103系列芯片资料里,RCC被称为( )",{"answer":87,"createTime":23,"id":88,"options":89,"question":94,"source":31,"type":32},[],140518681,[90,91,92,93],"全字","双字","四字","八字","STM32F103系列芯片内置64K字节的静态SRAM.它可以以字节、半字或( )访问",{"answer":96,"createTime":5,"id":6,"options":97,"question":19,"source":31,"type":32},[],[8,9,10,11]]