Types of buses

Types of buses

Types of buses for your use
1. Address Bus
  1. Unidirectional
  2. 2n diirections
  3. E/S
2. Data Bus
  1. Bidirectional
  2. Data can flow to or from the CPU
  3. The "m" terminal can be inputs or outputs
  4. It's used to transmit other information along with the data
  5. The data bus is shared or multiplexed in time
  6. 8 bits standar
3. Control Bus
  1. Synchronizes activities and transactions with system peripherals
  2. R/W signals
  3. Perpherals can also issue control signals to the CPU
    1. INT,RESET,BUS RQ
  4. Clock signals
Buses
1. A line interconnecting information carrier
2. Consist of several
  1. Conductor wires
  2. Several chanels
  3. Carries one bit of information
3. 16 lines = 16 bits
4. Expansion Slots
Types of buses by physical location
1. Internal
  1. Moves data between the internal components of the microprocessor
  2. Various power lines
  3. They are like blood vessels
2. External
  1. This is used to communicate the micro and elsewhere, as peripheral and memory
Buses ISA
1. INDUSTRY STANDARD ARQUITECTURE
2. First PC
  1. Slots 8 bits
Buses MCA
1. ARQUITECTURA DE BUS MICROCANAL
2. IBM
3. Slots 32 bits
4. Exclusive IBM
BIBLIOGRAPHY: www.educar.org/estudiantes/Bus/index.htm www.conozcasuhardware.com/articulo/notic1.htm atenea.udistrital.edu.co/egresados/jaime/buses.html#control
Buses EISA
1. EXTENDED INDUSTRY STANDARD ARQUITECTURE
2. It has features of the ISA as to its compatibility
3. MCA speed
  1. 32 bits
Buses VESA
1. VIDEO ELECTRONICA STANDARD ASOCIATION
2. They are an extension of ISA
3. Microprocessor running at pace
4. Faster
Buses PCI
1. PERIPHERICAL COMPONENT INTERCONECT
2. Peripheral component interconnect
3. Similar to VESA
4. 10 slots
Bus AGP
1. Advanced Graphics Port
2. It is a new bus
3. Above PCI
4. For new cards 3d
CardBus
1. PCMCIA
  1. 2 slots
  2. PC Card
USB
1. Universal Serial Bus
2. Was made by 7 companies
3. 1.5 Mb/s - 600 Mb/s
4. Reduces outlets
5. Asynchronous

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