GD25LE32DQIG datasheet(45/72 Pages) GIGADEVICE

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1.8V Uniform Sector

Dual and Quad Serial Flash

GD25LE32D

7.28 Program/Erase Suspend (PES) (75H)

The Program/Erase Suspend command

“75H”, allows the system to interrupt a page program or sector/block erase

operation and then read data from any other sector or block. The Write Status Register command (01H) and

Erase/Program Security Registers command (44H, 42H) and Erase commands (20H, 52H, D8H, C7H, 60H) and Page

Program command (02H, 32H) are not allowed during Program suspend. The Write Status Register command (01H) and

Erase Security Registers command (44H) and Erase commands (20H, 52H, D8H, C7H, 60H) are not allowed during

Erase suspend. Program/Erase Suspend is valid only during the page program or sector/block erase operation. A

maximum of

time of “tsus” (See AC Characteristics) is required to suspend the program/erase operation.

The Program/Erase Suspend command will be accepted by the device only if the SUS2/SUS1 bit in the Status

SUS2/SUS1 bit equal to 1 or WIP bit equal to 0, the Suspend command will be ignored by the device. The WIP bit will be

cleared from 1 to 0 within

“tsus” and the SUS2/SUS1 bit will be set from 0 to 1 immediately after Program/Erase Suspend.

A power-off during the suspend period will reset the device and release the suspend state. The command sequence is

show in Figure29.

Figure29. Program/Erase Suspend Sequence Diagram

Command

75H

CS#

SCLK

High-Z

tSUS

Accept read command

Figure29a. Program/Erase Suspend Sequence Diagram (QPI)

CS#

SCLK

IO0

IO1

IO2

IO3

Command

75H

tSUS

Accept Read

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