FOR MOBILE APPLICATIONS
W25Q256FV
- 89 -
8.2.51
Global Block/Sector Lock (7Eh)
All Block/Sector Lock bits can be set to 1 by the Global Block/Sector Lock instruction. The command must
be issued by driving /CS low, shifting the instruction code “7Eh” into the Data Input (DI) pin on the rising
edge of CLK, and then driving /CS high.
Figure 55. Global Block Lock Instruction for SPI Mode (left) or QPI Mode (right)
8.2.52
Global Block/Sector Unlock (98h)
All Block/Sector Lock bits can be set to 0 by the Global Block/Sector Unlock instruction. The command
must be issued by driving /CS low, shifting the instruction code “98h” into the Data Input (DI) pin on the
rising edge of CLK, and then driving /CS high.
Figure 56. Global Block Unlock Instruction for SPI Mode (left) or QPI Mode (right)