GD25Q128C Datasheet, PDF (52/69 Pages) ELM Electronics – 128M-bit Serial Flash

GD25Q128CxIGx 3.3V Uniform Sector Dual and Quad Serial Flash
http://www.elm-tech.com
Figure 37a. The Global Block/Sector Lock Sequence Diagram (QPI)
CS#
SCLK
IO₀
01
Command
7EH
IO₁
IO₂
IO₃
Figure 38. The Global Block/Sector Unlock Sequence Diagram
CS#
SCLK
SI
SO
01234567
Command
98H
High-Z
Figure 38a. The Global Block/Sector Unlock Sequence Diagram (QPI)
CS#
SCLK
IO₀
IO₁
IO₂
IO₃
01
Command
98H
69 - 52
Rev.1.2