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VHDL (Very-High-Speed Integrated Circuit Hardware Description Language)-based CPU (Central Processing Unit)

A CPU core and instruction control technology, applied in the field of computer system structure, can solve problems such as complex structure, insufficient knowledge grasp, and difficulty in understanding students, and achieve the effect of clear structure

Inactive Publication Date: 2013-01-30
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Because the transistors of mainstream CPUs on the market are extremely large in size and complex in structure, they are not suitable for use as examples in computer composition principles courses. Therefore, the current teaching can only analyze CPUs in principle, and lacks the conditions and possibilities for actual hands-on experiments. , causing students to understand difficulties and lack of firm grasp of knowledge

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  • VHDL (Very-High-Speed Integrated Circuit Hardware Description Language)-based CPU (Central Processing Unit)
  • VHDL (Very-High-Speed Integrated Circuit Hardware Description Language)-based CPU (Central Processing Unit)
  • VHDL (Very-High-Speed Integrated Circuit Hardware Description Language)-based CPU (Central Processing Unit)

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Embodiment Construction

[0014] The specific embodiments of the present invention will be described in detail below in combination with the summary of the invention and the accompanying drawings.

[0015] (1) The overall structure of the CPU

[0016] The CPU is written in VHDL language, the structure is as follows figure 1 As shown, there are two parts including the CPU core and the CPU debugging module.

[0017] The CPU core includes three parts: instruction control module, data processing module, and analog memory. These three parts are connected with each other by an internal bus. The instruction control module is responsible for decoding the instructions and sending out the control signals required for the operation of each part of the CPU; the data processing module is responsible for arithmetic operations and logic operations; the analog memory contains the programs required for CPU operation; the internal bus is responsible for the above three parts transfer information between. When the CPU...

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Abstract

The invention discloses a VHDL (Very-High-Speed Integrated Circuit Hardware Description Language)-based CPU (Central Processing Unit), belonging to the field of computer system structures. The CPU consists of a CPU core and a CPU debugging module, wherein the CPU core consists of a data processing module, an instruction control module and an analog memory; the data processing module comprises an ALU (Arithmetic Logical Unit) unit supporting 11 items of basic operation, a register block consisting of eight universal registers, and a status register; the instruction control module supports 46 instructions and is designed in a hard wiring mode; the analog memory is a memory array which has the same bit width as a system bus and length of 1K; the CPU debugging module consists of a debugging signal controller and a CPU internal signal interface; the debugging signal controller comprises a debugging signal input register and a debugging signal decoder; and the CPU internal signal interface comprises an internal signal latch and an internal signal observation window. The CPU has a small size and a clear structure and is particularly suitable for teaching.

Description

technical field [0001] The invention belongs to the field of computer system structure and relates to a CPU based on VHDL. Background technique [0002] In the teaching of computer-related majors, the course of computer composition principle is an important part. An important part of this course is the introduction of the structure and working principle of CPU. Because the transistors of mainstream CPUs on the market are extremely large in size and complex in structure, they are not suitable for use as examples in computer composition principles courses. Therefore, the current teaching can only analyze CPUs in principle, and lacks the conditions and possibilities for actual hands-on experiments. , causing students to understand difficulties and lack of firm grasp of knowledge. Under this condition, if you can design a CPU with small scale, clear structure and configurable functions, it is possible to apply it to the teaching of classroom examples. Taking this CPU as an exa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/455G09B19/00
Inventor 赖晓晨申珅丁宁董沈鑫原旭
Owner DALIAN UNIV OF TECH