w25q32bv Winbond Electronics Corp America, w25q32bv Datasheet - Page 23

• Manufacturer Part Number: w25q32bv
• Description: 32m-bit Serial Flash Memory With Dual And Quad Spi
• Manufacturer: Winbond Electronics Corp America

W25Q32BV
11.2.7 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
DI 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, Erase/Program Security Registers, Page Program, Quad Page
Program, Sector Erase, Block Erase and Chip Erase instructions.
Figure 6. Write Disable Instruction Sequence Diagram
Publication Release Date: March 26, 2009
- 23 -
Preliminary - Revision A