12. System Interface
The following terms are used in this chapter:
- An external agent is any logic device connected to the processor, over the System interface, that allows the processor to issue requests.
- A system event is an event that occurs within the processor and requires access to external system resources.
- Sequence refers to the precise series of requests that a processor generates to service a system event.
- Protocol refers to the cycle-by-cycle signal transitions that occur on the System interface pins to assert a processor or external request.
- Syntax refers to the precise definition of bit patterns on encoded buses, such as the command bus.
Copyright 1996, MIPS Technologies, Inc. -- 21 MAR 96
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