GD25LE256DWJS datasheet(22/83 Pages) GIGADEVICE

部品番号	GD25LE256DWJS

部品情報	1.8V Uniform Sector Dual and Quad Serial Flash

PDF	83 Pages

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メーカー	GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]

ホームページ	http://www.gigadevice.com/

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1.8V Uniform Sector

Dual and Quad Serial Flash

GD25LE256D

7.5.

Write Enable for Volatile Status Register (50H)

The non-volatile Status Register bits can also be written to as volatile bits. This gives more flexibility to change the

system configuration and memory protection schemes quickly without waiting for the typical non-volatile bit write cycles or

affecting the endurance of the Status Register non-volatile bits. The Write Enable for Volatile Status Register command

must be issued prior to a Write Status Register command, and any other commands can't be inserted between them.

Otherwise, Write Enable for Volatile Status Register will be cleared. The Write Enable for Volatile Status Register command

will not set the Write Enable Latch bit, it is only valid for the Write Status Register command to change the volatile Status

Figure6. Write Enable for Volatile Status Register Sequence Diagram

CS#

SCLK

Command(50H)

High-Z

Figure6a. Write Enable for Volatile Status Register Sequence Diagram (QPI)

CS#

SCLK

IO0

IO1

IO2

IO3

Command

50H

GD25LE256DWJS データシート(PDF) 22 Page - GigaDevice Semiconductor (Beijing) Inc.