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公开(公告)号：US20180267598A1
公开(公告)日：2018-09-20
申请号：US15458843
申请日：2017-03-14
Applicant: QUALCOMM Incorporated
IPC: G06F1/32 , G06F9/44 , G06F21/44 , G06F21/57 , G11C11/406 , G11C11/4074
Abstract: A method for reducing power in a system is provided according to aspects of the present disclosure. The system includes a chip, and a volatile memory. The method includes entering a sleep state, and exiting the sleep state. Entering the sleep state includes placing the volatile memory in a self-refresh mode, wherein the volatile memory stores one or more binary images and the volatile memory is powered in the sleep state, and collapsing multiple power supply rails on the chip. Exiting the sleep state includes restoring power to the multiple power supply rails on the chip, taking the volatile memory out of the self-refresh mode, and running the one or more binary images on one or more sub-systems on the chip.
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公开(公告)号：US10474224B2
公开(公告)日：2019-11-12
申请号：US15458843
申请日：2017-03-14
Applicant: QUALCOMM Incorporated
IPC: G06F1/32 , G06F1/3296 , G06F9/4401 , G06F21/44 , G06F21/57 , G11C11/406 , G11C11/4074
Abstract: A method for reducing power in a system is provided according to aspects of the present disclosure. The system includes a chip, and a volatile memory. The method includes entering a sleep state, and exiting the sleep state. Entering the sleep state includes placing the volatile memory in a self-refresh mode, wherein the volatile memory stores one or more binary images and the volatile memory is powered in the sleep state, and collapsing multiple power supply rails on the chip. Exiting the sleep state includes restoring power to the multiple power supply rails on the chip, taking the volatile memory out of the self-refresh mode, and running the one or more binary images on one or more sub-systems on the chip.
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