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GD5F1GQ4RFFIG Datasheet(Arkusz danych) 15 Page - GigaDevice Semiconductor (Beijing) Inc.

Numer części GD5F1GQ4RFFIG
Szczegółowy opis  SPI(x1/x2/x4) NAND Flash
Pobierz  50 Pages
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Producent  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
Strona internetowa  http://www.gigadevice.com/
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SPI(x1/x2/x4) NAND Flash
1G
15
8
FEATURE OPERATIONS
8.1 Get Features (0FH) and Set Features (1FH)
The GET FEATURES (0FH) and SET FEATURES (1FH) commands are used to monitor the device status and alter the
device behavior. These commands use a 1-byte feature address to determine which feature is to be read or modified.
Features such as OTP and block locking can be enabled or disabled by setting specific feature bits (shown in the following
table). The status register is mostly read, except WEL, which is a writable bit with the WRITE ENABLE (06H) command.
When a feature is set, it remains active until the device is power cycled or the feature is written to. Unless otherwise
specified in the following table, once the device is set, it remains set, even if a RESET (FFH) command is issued.
Table8-1. Features Settings
Register Addr.
7
6
5
4
3
2
1
0
Protection
A0H
BRWD
Reserved
BP2
BP1
BP0
INV
CMP
Reserved
Feature
B0H
OTP_PRT
OTP_EN Reserved ECC_EN Reserved Reserved Reserved
QE
Status
C0H
Reserved
ECCS2
ECCS1
ECCS0
P_FAIL
E_FAIL
WEL
OIP
Feature
D0H
Reserved
DS_IO[1] DS_IO[0] Reserved Reserved Reserved Reserved
Reserved
Note: If BRWD is enabled and WP# is LOW, then the block lock register cannot be changed.
If QE is enabled, the quad IO operations can be executed.
All the reserved bits must be held low when the feature is set.
00h is the default data byte value for Output Driver Register after power-up.
These registers are write/read type, except for Register of Status (C0H) is read only.
Figure8-2. Get Features Sequence Diagram
Command
0
1
2
3
4
5
6
7
0FH
CS#
SCLK
SI
SO
High-Z
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
MSB
1 byte address
Data byte
MSB
Note: The output would be updated by real-time, until CS# is driven high.




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