2.6.1. Energy efficiency features

The features of the Cortex-A9 processor that improve energy efficiency include:

In the Cortex-A9 processor, extensive use is also made of gated clocks and gates to disable inputs to unused functional blocks. Only the logic in use to perform an operation consumes any dynamic power.

Copyright © 2008-2009 ARM. All rights reserved.ARM DDI 0388E
Non-Confidential