标签: 专有名词

嵌入式系统词汇表嵌入式系统词汇表ASIC（专用集成电路）Application-SpecificIntegratedCircuit.Apieceofcustom-designedhardwareinachip.专用集成电路。一个在一个芯片上定制设计的硬件。addressbus（地址总线）Asetofelectricallinesconnectedtotheprocessorandalloftheperipheralswithwhichitcommunicates.Theaddressbusisusedbytheprocessortoselectaspecificmemorylocationorregisterwithinaparticularperipheral.Iftheaddressbuscontainsnelectricallines,theprocessorcanuniquelyaddressupto2^nsuchlocations.一个连接处理器与所有外设的，用来通讯的电子线路集。地址总线被处理器用来选择在特定外设中的存储器地址或寄存器。如果地址总线有n条电子线路，处理器能唯一寻址高达2^n的地址空间。applicationsoftware（应用软件）Describessoftwaremodulesspecifictoaparticularembeddedproject.Theapplicationsoftwareisunlikelytobereusable……