W25X10BL Datasheet, PDF (17/53 Pages) Winbond – 1M-BIT, 2M-BIT AND 4M-BIT 2.5V SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL I/O SPI

W25X10BL/20BL/40BL
9.2.5 Write Disable (04h)
The Write Disable instruction (Figure 6) resets the Write Enable Latch (WEL) bit in the Status Register
to a 0. The Write Disable instruction is entered by driving /CS low, shifting the instruction code “04h”
into the DIO pin and then driving /CS high. Note that the WEL bit is automatically reset after Power-up
and upon completion of the Write Status Register, Page Program, Sector Erase, Block Erase and Chip
Erase instructions.
Figure 6. Write Disable Instruction Sequence Diagram
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Publication Release Date: October 14, 2009
Preliminary -- Revision A