supports following Information Source and destination Control and synchronization Transport Through following sets of signals Address Data Control System physical interconnection With external devices The information Provides The or that is to be written or read from a device information data The information address Provides means of identifying the where the or is to be written to or read from Places information data The signals control Implement unique to local device model control and synchronization Provide physical by which a transaction is directed and coordinated The transport Provide physical means by which system components interconnected Each of these can be implemented in a variety of ways Depending upon the nature and structure of underlying I/O channel Not unusual for an embedded application to support several different schemes. Control, Synchronization, and Places Number and structure of the in a device model control signals Generally system specific Typical signals may include Read / signals Address / Data present or stable strobes Clock - Where does clock come from Separate line or encoded in the data Transmission Direction Ready or Active Synchronize Reset
supports following Information Source and destination Control and synchronization Transport Through following sets of signals Address Data Control System physical interconnection With external devices The information Provides The information or data that is to be written or read from a device The address information Provides means of identifying the Places where the information or data is to be written to or read from The control signals Implement control and synchronization unique to local device model Provide physical by which a transaction is directed and coordinated The transport Provide physical means by which system components interconnected Each of these can be implemented in a variety of ways Depending upon the nature and structure of underlying I/O channel Not unusual for an embedded application to support several different schemes. Control, Synchronization, and Places Number and structure of the control signals in a device model Generally system specific Typical signals may include Read / signals Address / Data present or stable strobes Clock - Where does clock come from Separate line or encoded in the data Transmission Direction Ready or Active Synchronize Reset
Input-Output0.docx