N25Q128 Numonyx, N25Q128 Datasheet - Page 147

• Manufacturer Part Number: N25Q128
• Description: 128-mbit 3 V, Multiple I/o, 4-kbyte Subsector Erase On Boot Sectors, Xip Enabled, Serial Flash Memory With 108 Mhz Spi Bus Interface
• Manufacturer: Numonyx

9.3.17
Figure 87. Write to Lock Register instruction sequence QIO-SPI
Read Flag Status Register
The Read Flag Status Register (RFSR) instruction allows the Flag Status Register to be
read.
Apart form the parallelizing of the instruction code and the output data on the four pins DQ0,
DQ1, DQ2 and DQ3, the instruction functionality is exactly the same as the Read Flag
Status Register (RFSR) instruction of the Extended SPI protocol, please refer to
Section 9.1.26: Read Flag Status Register
DQ0
DQ2
DQ3
DQ1
S
C
Instruction
0
1
2
21 17 13 9
20 16 12 8
22 18 14 10
23 19 15 11 7
24-Bit Address
3
4
5
for further details.
6
5
6
4
7
2
1
0
3
8
6
4
5
Lock Register In
7
9
2
0
1
3
Quad_Write_LR
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