3. Toad's computer composition principle note three system bus

3. Toad's computer composition principle note three system bus

This famous saying:"Justice, will knock down those who say lies and false testimony." -- Heraclitus "

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1. Bus

The bus is the information transmission line connecting each part, and it is the transmission medium shared by each part.

1.1 CPU-oriented dual-bus block diagram

1.2 Single-bus structural block diagram

1.3 Memory-centric dual-bus block diagram

2. Classification of the bus2.1 in-chip bus

The bus inside the chip

2.2 System Bus

Information transmission lines between parts of a computer

3. Bus characteristics and performance indicators3.1 Mechanical Properties

Size, shape, number of pins and order of arrangement

3.2 Electrical Characteristics

Transmission direction and effective level range

3.3 Functional Characteristics

function, address, data, control of each transmission line

3.4 Time Characteristics

Timing Relationship of signals

3.5 Performance indicators of the bus

Bus width

Bus bandwidth

Clock Synchronous/Asynchronous

Bus multiplexing

Line number

Bus control mode

Other indicators

4. Bus communication

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3. Toad's computer composition principle note three system bus