12.8 -System Interface Cycle Time

12. System Interface

12.8 System Interface Cycle Time

The processor specifies minimum and maximum cycle counts for various processor transactions and for the processor response time to external requests. Processor requests themselves are constrained by the System interface request protocol, and request cycle counts can be determined by examining the protocol. The following System interface interactions can vary within minimum and maximum cycle counts:

spacing between requests within a cluster (cluster request spacing)
waiting period for the processor to release the System interface to slave state in response to an external request (release latency)
response time for an external request that requires a response (external response latency).

The remainder of this section describes and tabulates the minimum and maximum cycle counts for these System interface interactions.

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