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