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GD25LE256DWJS データシート(PDF) 51 Page - GigaDevice Semiconductor (Beijing) Inc.

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/
Logo GIGADEVICE - GigaDevice Semiconductor (Beijing) Inc.

GD25LE256DWJS データシート(HTML) 51 Page - GigaDevice Semiconductor (Beijing) Inc.

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1.8V Uniform Sector
Dual and Quad Serial Flash
GD25LE256D
51
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/31H/11H) 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/31H/11H) 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
Register equal to 0 and WIP bit equal to 1 while a Page Program or a Sector or Block Erase operation is on-going. If the
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 Figure30.
Figure30. Program/Erase Suspend Sequence Diagram
Command
0
1
2
3
4
5
6
7
75H
CS#
SCLK
SI
SO
High-Z
tSUS
Accept read command
Figure30a. Program/Erase Suspend Sequence Diagram (QPI)
CS#
SCLK
IO0
IO1
IO2
IO3
0
1
Command
75H
tSUS
Accept Read



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