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GD25B256D Folha de dados(PDF) 23 Page - GigaDevice Semiconductor (Beijing) Inc.

Nome de Peças GD25B256D
Descrição Electrónicos  3.3V Uniform Sector Dual and Quad Serial Flash
Download  82 Pages
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Fabricante Electrônico  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
Página de início  http://www.gigadevice.com/
Logo GIGADEVICE - GigaDevice Semiconductor (Beijing) Inc.

GD25B256D Folha de dados(HTML) 23 Page - GigaDevice Semiconductor (Beijing) Inc.

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3.3V Uniform Sector
Dual and Quad Serial Flash
GD25B256D
23
Register-2 will not be affected.
Figure 7 Write Status Register Sequence Diagram
7.6. Read Extended Register (C8H)
Extended Register contains Address Bit A24. The Read Extended Register instruction is entered by driving CS# low
and shifting the instruction code “C8H” into the SI pin on the rising edge of SCLK. The Extended Register bits are then
shifted out on the SO pin at the falling edge of SCLK with most significant bit (MSB) first as shown in Figure 8.
When the device is in the 4-Byte Address Mode, the value of A24 Bit is ignored.
Figure 8 Read Extended Register Sequence Diagram
7.7.
Write Extended Register (C5H)
The Write Extended Register command could be executed no matter the Write Enable Latch (WEL) bit is 0 or 1.The
Write Extended Register instruction is entered by driving CS# low, sending the instruction code “C5H”, and then writing the
Extended Register data Byte as illustrated in Figure 9.
Upon power up or the execution of a Software/Hardware Reset, the Extended Register bit values will be cleared to 0.
Figure 9 Write Extended Register Sequence Diagram
Command
0
1
2
3
4
5
6
7
01H/31H/11H
CS#
SCLK
SI
SO
High-Z
8
9 10 11 12 13 14 15
MSB
7
6
5
4
3
2
1
0
Status Register in
Command
0
1
2
3
4
5
6
7
C8H
CS#
SCLK
SI
SO
High-Z
8
9 10 11 12 13 14 15
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
MSB
Extended Addr.
Register Out
MSB
Extended Addr.
Register Out
Command
0
1
2
3
4
5
6
7
C5H
CS#
SCLK
SI
SO
High-Z
8
9 10 11 12 13 14 15
MSB
7
6
5
4
3
2
1
0
Extended Addr.
Register In


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