W25Q16BVZPIP datasheet(21/68 Pages) WINBOND

21 / 68 page

W25Q16BV

Publication Release Date: July 08, 2010

- 21 -

Revision F

11.2.5 Write Enable (06h)

The Write Enable instruction (Figure 4) sets the Write Enable Latch (WEL) bit in the Status Register to a

1. The WEL bit must be set prior to every Page Program, Sector Erase, Block Erase, Chip Erase and

Write Status Register instruction. The Write Enable instruction is entered by driving /CS low, shifting the

instruction code “06h” into the Data Input (DI) pin on the rising edge of CLK, and then driving /CS high.

Figure 4. Write Enable Instruction Sequence Diagram

11.2.6 Write Disable (04h)

The Write Disable instruction (Figure 5) 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, Page Program, Sector Erase, Block Erase and Chip Erase

instructions.

Figure 5. Write Disable Instruction Sequence Diagram

W25Q16BVZPIP Datasheet(PDF) 21 Page - Winbond