N25Q128 Numonyx, N25Q128 Datasheet - Page 124

• 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

9.2.17
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DQ0
DQ1
C
S
Figure 59. Write to Lock Register instruction sequence DIO-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 two pins DQ0
and DQ1, the instruction functionality is exactly the same as the Read Flag Status Register
(RFSR) instruction of the Extended SPI protocol, please refer to
Status Register
Figure 60. Read Flag Status Register instruction sequence DIO-SPI
DQ0
DQ1
C
S
0
Instruction
1
2
for further details.
3
23 21 19 17
22 20 18 16
4
0
Instruction
5
1
6
2
7
3
24-Bit Address
15 13 11 9
14 12 10 8
8
7
6
4
9 10 11
Flag Status Register Out
5
4
5
Byte
3
2
6
1
0
7
12 13 14 15
7
6
7
6
8
5
4
5
4
9 10 11
Dual_Read_Flag_SR
3
2
Byte
3
2
1
0
Section 9.1.26: Read Flag
1
0
12 13 14 15
Lock Register In
7
6
5
4
3
2
1
0
Dual_Write_LR