Computer Bus Structures

1 Computer Bus StructuresComputer Bus StructuresRamin Roosta2 IntroductionIntroductionzConcept of the basic buszDescription of available Internal bus SystemszDescription of available External bus systems3 Basic BusBasic BuszData buszAddress buszHandshaking lineszControl lines4 Data BusData BuszFunction of a data bus is to send data from one device to anotherzData is passed in parallel or serial manner Parallel will normally pass in a multiple of 8-bits at a time Serial passes one bit at a time5zParallel data bus is fasterzParallel data bus requires an extra handshaking line to synchronize the data transfer6 Address BusAddress CPU needs to read an instruction (data) from a given location in memoryzIdentify the source or destination of datazBus width determines maximum memory capacity of system 8080 has 16 bit address

Computer Bus Structures Ramin Roosta. 2 Introduction zConcept of the basic bus zDescription of available Internal bus Systems zDescription of available External bus systems. 3 Basic Bus zData bus zAddress bus zHandshaking lines zControl lines. 4 Data Bus zFunction of a data bus is to send data

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