| 摘要 |
Minimizing power consumption of a processor and having at least three power states including a full power state, a first power conserving state, and a second power conserving state. The method involves placing the processor in a first conserving state (308), until a bus master requests snooping of a cache (309). Upon receipt of the request, the processor transitions directly into a second power conserving state (316), wherein the second power conserving state allows snooping of the cache. After snooping of the cache is completed, the processor returns directly to the first power conserving state from the second power conserving state (328).
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