| 摘要 |
<p>A device (2), such as an integrated circuit is described including master units (8, 10) and slave units (6, 18, 20) connected by an interconnect (14). In addition to the normal data signals (22) and address signals (24) passed with a transaction, there are also passed usage signals (26) which specify the time interval until a next transaction will be sent to a slave unit. A local slave power controller (34) is responsive to such usage signals (26) to switch into a low power mode and pre-emptively switch back to an operational mode in time to respond to the next transaction to be received.</p> |
