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GD25B256D Datasheet(Arkusz danych) 11 Page - GigaDevice Semiconductor (Beijing) Inc.

Numer części GD25B256D
Szczegółowy opis  3.3V Uniform Sector Dual and Quad Serial Flash
Pobierz  82 Pages
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Producent  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
Strona internetowa  http://www.gigadevice.com/
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3.3V Uniform Sector
Dual and Quad Serial Flash
GD25B256D
11
6. REGISTERS
6.1. Status Registers
Table 7 Status Register-1
No.
Bit Name
Description
Note
S0
WIP
Erase/Write In Progress
Volatile, read only
S1
WEL
Write Enable Latch
Volatile, read only
S2
BP0
Block Protect Bit
Non-volatile writable
S3
BP1
Block Protect Bit
Non-volatile writable
S4
BP2
Block Protect Bit
Non-volatile writable
S5
BP3
Block Protect Bit
Non-volatile writable
S6
TB
Top/Bottom Protect Bit
Non-volatile writable
S7
SRP0
Status Register Protection Bit
Non-volatile writable
Table 8 Status Register-2
No.
Bit Name
Description
Note
S8
ADS
Current Address Mode
Volatile, read only
S9
QE
Quad Enable
QE=1 permanently
S10
SUS2
Program Suspend
Volatile, read only
S11
LB1
Security Register Lock Bit
Non-volatile writable (OTP)
S12
LB2
Security Register Lock Bit
Non-volatile writable (OTP)
S13
LB3
Security Register Lock Bit
Non-volatile writable (OTP)
S14
SRP1
Status Register Protection Bit
Non-volatile writable
S15
SUS1
Erase Suspend
Volatile, read only
Table 9 Status Register-3
No.
Bit Name
Description
Note
S16
Reserved
Reserved
Reserved
S17
Reserved
Reserved
Reserved
S18
PE
Program Error bit
Volatile, read only
S19
EE
Erase Error bit
Volatile, read only
S20
ADP
Power Up Address Mode
Non-volatile writable
S21
DRV0
Output Driver Strength
Non-volatile writable
S22
DRV1
Output Driver Strength
Non-volatile writable
S23
Reserved
Reserved
Reserved
The status and control bits of the Status Register are as follows:
WIP bit
The Write in Progress (WIP) bit indicates whether the memory is busy in program/erase/write status register progress.
When WIP bit sets to 1, means the device is busy in program/erase/write status register progress, when WIP bit sets 0,
means the device is not in program/erase/write status register progress.




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