M25P128 Numonyx, B.V., M25P128 Datasheet - Page 23

• Manufacturer Part Number: M25P128
• Description: 128 Mbit (Multilevel), low-voltage, Serial Flash memory with 50-MHz SPI bus interface
• Manufacturer: Numonyx, B.V.

M25P128
read-only bits and the Write Status Register (WRSR) instruction is no longer accepted for
execution.
Figure 11. Read Status Register (RDSR) instruction sequence and data-out
S
C
D
Q
sequence
0
High Impedance
1
2
Instruction
3
4
5
6
7
MSB
7
8
6
Status Register Out
9 10 11 12 13 14 15
5
4
3
2
1
0
MSB
7
6
Status Register Out
5
4
3
2
1
Instructions
0
7
AI02031E
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