SA25F005 Saifun, SA25F005 Datasheet - Page 19

• Manufacturer Part Number: SA25F005
• Description: 512Kb Serial Flash
• Manufacturer: Saifun

The RDSR command requires the following
sequence:
1. The CSb pin is pulled low to select
SCK
CS
SO
the device and the RDSR opcode is
transmitted on the SI pin.
SI
Figure 10. Read Status Register (RDSR) Instruction Sequence
0
1
2
High Impedance
Instruction
3
4
5
6
7
MSB
7
8
6
9
Status Register Out
5
10
4
11
2. The data on the SI pin becomes
3. The data from the status register is
3
12
Don't Care.
shifted out on the SO pins, with the
D7 bit first and the D0 bit last, as
shown in Figure 10.
2
13
1
14
0
15
MSB
7
16
6
17
Status Register Out
SA25F005 Advanced Information
5
18
4
19
3
20
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2
21
1
22
0
23
MSB
7
SAIFUN
19