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GD25LB32D Datasheet(Arkusz danych) 53 Page - GigaDevice Semiconductor (Beijing) Inc.

Numer części GD25LB32D
Szczegółowy opis  1.8V Uniform Sector Dual and Quad Serial Flash
Pobierz  67 Pages
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Producent  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
Strona internetowa  http://www.gigadevice.com/
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 53 page
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1.8V Uniform Sector
Dual and Quad Serial Flash
GD25LB32D
53
7.37.
Enable Reset (66H) and Reset (99H)
If the Reset command is accepted, any on-going internal operation will be terminated and the device will return to its
default power-on state and lose all the current volatile settings, such as Volatile Status Register bits, Write Enable Latch
status (WEL), Program/Erase Suspend status, Read Parameter setting (P7-P0), Deep Power Down Mode, Continuous
Read Mode bit setting (M7-M0) and Wrap Bit Setting (W6-W4).
The “Enable Reset (66H)” and the “Reset (99H)” commands can be issued in either SPI or QPI mode. The “Reset
(99H)
” command sequence as follow: CS# goes low  Sending Enable Reset command  CS# goes high  CS# goes
low  Sending Reset command  CS# goes high. Once the Reset command is accepted by the device, the device will
take approximately tRST =30us / tRST_E =12ms to reset. During this period, no command will be accepted. Data corruption
may happen if there is an on-going or suspended internal Erase or Program operation when Reset command sequence is
accepted by the device. It is recommended to check the BUSY bit and the SUS bit in Status Register before issuing the
Reset command sequence.
Figure37. Enable Reset and Reset command Sequence Diagram
Command
0
1
2
3
4
5
6
7
66H
CS#
SCLK
SI
SO
High-Z
Command
0
1
2
3
4
5
6
7
99H
Figure38. Enable Reset and Reset command Sequence Diagram (QPI)
CS#
SCLK
IO0
IO1
IO2
IO3
0
1
Command
66H
0
1
Command
99H




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