Rainbow-electronics W25Q32 Manual de usuario descargar pdf (Pagina 21)

W25Q80, W25Q16, W25Q32

Publication Release Date: June 20, 2007

- 21 - Advanced - Revision A5

10.2.4 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

10.2.5 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

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 59 60

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Rainbow-electronics W25Q32 Manual de usuario Pagina 21