N25Q128 Numonyx, N25Q128 Datasheet - Page 145

• 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

9.3.15
Figure 85. Write Status Register instruction sequence QIO-SPI
Read Lock Register (RDLR)
The Read Lock Register instructions is used to read the lock register content.
Apart form the parallelizing of the instruction code, the address and the output data on the
four pins DQ0, DQ1, DQ2 and DQ3, the instruction functionality is exactly the same as the
Read Lock Register (RDLR) instruction of the Extended SPI protocol, please refer to
Section 9.1.24: Read Lock Register (RDLR)
DQ0
DQ1
DQ3
DQ2
S
C
0
1
2
5
4
6
7
for further details.
Status Register In
3
1
0
2
3
Quad_Write_SR
145/180