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80486 Microprocessor by - Yash H. Gohel
Yash Gohel
Created on May 9, 2023
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Transcript
Prepared by: Yash H. Gohel
Enr. No: 211020107506
Sem: 6th - d2d
Subject: MPI
80486 Microprocessor
Date: 13/05/2023
Advisor Name: Proff. Vishal Tank
Basic Overview
Functionalities
What we will see About in 80486 is:-
Applications
Key Features
Bar Chart
Block Diagram
Overview
Interface
What is 80486 Microprocessor?
The 80486 microprocessor, also known as the "486", is a type of computer chip that was used in personal computers during the 1990s. It is Developed and launched by INTEL Corporation in June 1989. It have mainly two versions/varients: i486SX and i486DX
Ref [1]
Functionalities
High Performance:
- It was an improvement over its predecessor, the 80386.
- It had a clock speed of up to 100 MHz.
- It could perform up to 100 million operations per second.
Built-in Memory Management Unit (MMU):
- The 80486 has a built-in MMU, which enables it to perform virtual memory management and protection tasks more efficiently than the 80386.
Multimedia Support:
- The 80486 was one of the first microprocessors to support multimedia applications, with features such as integrated graphics and audio support.
applications
PersonalComputers
EmbeddedSystems
Servers
Early Gaming
We are Talking About 1990's
key features
One of the key features of the 486 was its enhanced floating-point unit (FPU), which was responsible for performing complex math calculations.
The FPU on the 486 was much faster and more accurate than those on previous processors, which made the 486 well-suited for tasks like computer-aided design, scientific simulations, and other applications that required a lot of number processing.
Power Management
Cache Memory
- Larger Cache Memory: The 486 had a much larger cache than previous processors, which allowed it to access data more quickly and improve overall performance.
- Cache memory is a type of high-speed memory that the CPU can use to store frequently accessed data.
- The 486 also introduced a new power management feature that allowed it to reduce its power consumption when it wasn't being used.
- This was an important development, as it helped to extend the battery life of portable computers and reduce the amount of energy consumed by desktop computers.
- Here is the formula of Power Consumption:
Ref [2]
P = (C x V)2f
Key Features Continue
where, C = Capacitance
Bar Chart
Here, We can observe that each microprocessor has its own unique data and address buses except last two.
Bar Chart
Ref [3]
Block Diagram
Ref [4]
10
References