公开(公告)号：US20180137050A1

公开(公告)日：2018-05-17

申请号：US15808718

申请日：2017-11-09

Applicant: QUALCOMM Incorporated

Inventor： Nikhil JAIN ,  Ankit SHAMBHU ,  Shyam Bahadur RAGHUBANSHI ,  Umesh RAO

IPC: G06F12/04 ,  G06F1/32 ,  G06F12/1009

CPC classification number: G06F12/04 ,  G06F1/3275 ,  G06F12/0207 ,  G06F12/1009 ,  G06F13/16 ,  G06F2212/1016 ,  G06F2212/1028 ,  G06F2212/65 ,  G11C8/12 ,  G11C11/4074 ,  G11C11/4076 ,  G11C2207/2227 ,  Y02D10/13

Abstract: Systems and method are directed to reducing power consumption and/or improving performance of a processing system comprising a processor subsystem and a memory subsystem. A variable length column command is used in place of a plurality of column commands directed to a same page of a memory bank of the memory subsystem. The variable length column command is provided to the memory subsystem based on a detection of a plurality of accesses directed to the same page. The memory subsystem, upon receiving a variable length column command, is configured to perform a corresponding plurality of accesses indicated by the variable length column command

公开(公告)号：US20180188988A1

公开(公告)日：2018-07-05

申请号：US15808739

申请日：2017-11-09

Applicant: QUALCOMM Incorporated

Inventor： Nikhil JAIN ,  Ankit SHAMBHU ,  Umesh RAO ,  Srinivasarao MOLA

IPC: G06F3/06

CPC classification number: G06F3/0625 ,  G06F3/0634 ,  G06F3/0659 ,  G06F3/0673 ,  G11C7/1045 ,  G11C8/12

Abstract: Systems and method are directed to reducing power consumption of a memory based on enabling partial page access. Based on system conditions such as operating frequency, access size for one or more memory access requests are determined. The access size is programmed in a mode register of the memory and one or more commands are issued for accessing the memory based on the programmed access size. Alternatively, the access sizes are specified within the one or more commands issued to the memory for accessing partial pages. Activating only the portion of a page corresponding to the partial page access reduces power consumption.