PM861K01 3BSE018105R1 |  处理器单元 | DSRF182AK02 3BSE014078R1

　　型号：PM861K01 3BSE018105R1

　　类别: 处理器单元

　　成色：全新/非全新

　　货期：现货

　　质保：一年

　　快递：顺丰/德邦

　　产品净厚度/长度:20.3 厘米

　　产品净高:15.7 厘米

　　产品净宽:13.5 厘米

　　产品净重:1.14 千克

　　处理器单元，通常被称为中央处理单元(CPU，Central Processing Unit)，是计算机系统的核心和智能部分。它负责控制计算机的行为，执行各种任务。以下是处理器单元的主要组成部分及其功能：

　　控制单元(CU: Control Unit)：

　　指令控制器：PM861K01 3BSE018105R1 负责完成取指令、分析指令等操作，并交给执行单元执行。

　　时序控制器：包括时钟发生器，由石英晶体振荡器发出稳定的脉冲信号，即CPU的主频;倍频定义单元则定义CPU主频与存储器频率的倍数关系。

　　总线控制器：PM861K01 3BSE018105R1 控制地址总线、数据总线、控制总线等CPU的内外部总线。

　　中断控制器：PM861K01 3BSE018105R1 控制并管理各种中断请求，根据优先级进行排队，逐个交给CPU处理。

　　存储单元(MU: Memory Unit)：

　　通用寄存器：用于传送和暂存数据，也可参与算术逻辑运算，并保存运算结果。

　　状态寄存器(cpsr)：存放当前指令执行结果的各种状态或条件码，以及控制信息。

　　Cache(缓存)：进行高速数据交换的存储器。

　　Model: PM861K01 3BSE018105R1

　　Category: Processor unit

　　Finish: New/not new

　　Delivery time: from stock

　　Warranty: One year

　　Express: SF Express/Debon

　　Net product thickness/length :20.3 cm

　　Product height :15.7 cm

　　Product width :13.5 cm

　　Net weight :1.14 kg

　　The processor Unit, often referred to as the Central Processing Unit (CPU), is the core and intelligent part of a computer system. It is responsible for controlling the behavior of the computer and performing various tasks. The following are the main components of the processor unit and their functions:

　　Control Unit (CU: Control Unit) :

　　Instruction controller: PM861K01 3BSE018105R1 is responsible for obtaining instructions, analyzing instructions and other operations, and handing them to the execution unit for execution.

　　Timing controller: including a clock generator, the quartz crystal oscillator sends a stable pulse signal, that is, the main frequency of the CPU; The frequency doubling definition unit defines the multiple relationship between CPU frequency and memory frequency.

　　Bus controller: PM861K01 3BSE018105R1 control address bus, data bus, control bus and other internal and external buses of the CPU.

　　Interrupt controller: PM861K01 3BSE018105R1 controls and manages various interrupt requests, queueing them according to priority and passing them to the CPU one by one.

　　Memory Unit (MU: Memory Unit)

　　General purpose register: used to transmit and temporarily store data, can also participate in arithmetic logic operations, and save the results of the operations.

　　Status register (cpsr) : Stores the current instruction execution results of various status or condition codes, as well as control information.

　　Cache: Memory for high-speed data exchange.