A central processing unit (CPU) is a large-scale integrated circuit that contains millions to billions of transistors for performing arithmetic, logic, control, and input/output (I/O) operations. It is a key component in a computer, responsible for reading instructions and data from memory, and then executing these instructions to complete computational tasks.
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3703E also known as:
Main processor module 3703E
3703E CPU module
Controller module 3703E
3703E Control processor
Processor unit 3703E
3703E main processor module, commonly referred to as central processing unit (CPU), Central Processing Unit）， It is the computational and control core of a computer system, mainly responsible for interpreting computer instructions and processing data in computer software. It has functions such as processing instructions, executing operations, controlling time, and processing data.
The working principle of the 3703E main processor module, which is the central processing unit (CPU):
Instruction extraction stage:
The instruction address register of the 3703E CPU reads program instructions from the main memory (RAM) starting from the specified address.
The value in the program counter (PC) is used to indicate the position of the current instruction in the main memory. When an instruction is retrieved, the numerical value in the PC will automatically increase based on the length of the instruction word.
Instruction decoding stage:
The instruction decoder splits and interprets the retrieved instructions, identifies and distinguishes different instruction categories, and various methods for obtaining operands.
During this process, the front and back parts of the instruction (usually the front and back 4 bits) are used as opcodes and RAM addresses, respectively.
Execution instruction stage:
The different parts of the 3703E CPU are connected to execute the instruction functions determined by the decoding stage.
This stage may include accessing main memory, reading operands, and performing corresponding arithmetic or logical operations based on instructions.
Access count and result write back:
According to the instructions, the 3703E CPU will access the main memory (MEM, memory) and read the operands.
After executing the instruction, the CPU will write the result back to the main memory or register for subsequent instructions to use.
Loop and interrupt handling:
The CPU will continue to loop through the above process, continuously extracting instructions from memory and executing them until the program ends or encounters an interrupt.
Interrupts may be triggered by external devices (such as keyboards, mice) or internal events (such as timer overflow), which can interrupt the normal execution process of the CPU and instead execute interrupt service programs.
Power consumption management:
In some cases, such as waiting for ADC conversion or when there are no tasks to execute, the CPU may enter a sleep state to reduce power consumption.
When there is an interrupt or task that needs to be processed, the 3703E CPU will be awakened and continue to execute.
Internal communication and coordination:
The 3703E CPU communicates and coordinates internally through complex bus systems such as data buses, address buses, and control buses.
The control unit (CU) is responsible for generating and sending control signals to ensure that various parts of the CPU can work according to predetermined timing and logic.
The main processor module, also known as the central processing unit (CPU), is the core component of a computer system responsible for executing various complex computing and control tasks.
The main functions of the 3703E main processor module (CPU) are:
Instruction execution:
The CPU reads instructions from memory and decodes them. Each instruction tells the CPU to perform certain operations, such as addition, subtraction, data movement, logical operations, etc.
The process of instruction execution includes obtaining data from memory, performing arithmetic or logical operations, and storing the results back in memory or outputting them to external devices.
Data processing:
The CPU is the center of data processing in a computer. It receives data from input devices, processes the data (such as arithmetic operations, logical operations, data transmission, etc.), and then sends the processed results to output devices.
The 3703E CPU can also store and manage data, including reading data from main memory to internal registers of the CPU, and writing data back from registers to main memory.
Program control:
The CPU has the ability to control program execution. It retrieves instructions from memory based on the address in the program counter (PC) and executes these instructions.
The CPU is also responsible for handling interrupts and exceptions, such as external events such as keyboard input and mouse movement, as well as internal events such as timer overflow and division errors. When an interrupt or exception occurs, the CPU will pause the execution of the current program and instead execute the corresponding interrupt service program or exception handling program.
Time control:
The CPU can control various operations in terms of time. It controls various operations in time through actuators, allowing various parts of the computer to work in an orderly manner.
Data operation:
The CPU is capable of performing arithmetic and logical operations on data. Arithmetic operations include basic operations such as addition, subtraction, multiplication, and division, as well as floating-point operations and complex mathematical operations. Logical operations include operations such as AND, OR, NOT, XOR, etc.
Coordination and communication:
The 3703E CPU is the core of a computer system, responsible for coordinating the work of various components in the system. The CPU communicates and coordinates with other components (such as memory, input/output devices, etc.) through an internal bus system, ensuring that the entire system can work together.
Cache management:
In order to improve data processing speed, CPUs usually have multiple cache hierarchies, including L1 Cache, L2 Cache, and so on. These caches are used to store recently used or soon to be used data and instructions, so that the CPU can quickly access these data without the need to read them from main memory.
In summary, the 3703E main processor module (CPU) is the core component of a computer system, responsible for executing instructions, processing data, controlling program execution, managing time, performing data operations, and coordinating and communicating with other components. These features make the CPU an indispensable part of computer systems.
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The company has a registered capital of tens of millions, a five-star office environment, and hundreds of employees. Fengyun focuses on the four major system fields of DCS, PLC, robotics/large servo, and mainly produces various modules/cards, controllers, touch screens, and servo drives.
Company advantages:
Supply imported genuine products and professional discontinued accessories.
Company advantages:
Supply imported genuine products and professional discontinued accessories.
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