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1. (WO2017034852) AUTOMATIC SWITCH TO SINGLE SPI MODE WHEN ENTERING UDPD

Pub. No.:    WO/2017/034852    International Application No.:    PCT/US2016/047128
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Wed Aug 17 01:59:59 CEST 2016
IPC: G11C 5/14
Applicants: ADESTO TECHNOLOGIES CORPORATION
Inventors: PEDERSEN, Bard, M.
Title: AUTOMATIC SWITCH TO SINGLE SPI MODE WHEN ENTERING UDPD
Abstract:
A method of controlling an ultra-deep power down (UDPD) mode in a memory device, can include: receiving a write command from a host via an interface; beginning a write operation on the memory device to execute the write command; reading an auto-UDPD (AUDPD) configuration bit from a status register; switching the interface to a Single SPI mode in response to the write command and the AUDPD configuration bit being set; completing the write operation on the memory device; automatically entering the UDPD mode upon completion of the write operation in response to the AUDPD configuration bit being set; and entering a standby mode upon completion of the write operation in response to the AUDPD configuration bit being cleared.