M25PX32 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'M25PX32' PDF : 63 Pages View PDF
Instructions
M25PX32
6.2
Write Disable (WRDI)
The Write Disable (WRDI) instruction (Figure 9) resets the Write Enable Latch (WEL) bit.
The Write Disable (WRDI) instruction is entered by driving Chip Select (S) Low, sending the
instruction code, and then driving Chip Select (S) High.
The Write Enable Latch (WEL) bit is reset under the following conditions:
● Power-up
● Write Disable (WRDI) instruction completion
● Write Status Register (WRSR) instruction completion
● Write lo Lock Register (WRLR) instruction completion
● Page Program (PP) instruction completion
● Dual Input Fast Program (DIFP) instruction completion
● Program OTP (POTP) instruction completion
● Subsector Erase (SSE) instruction completion
● Sector Erase (SE) instruction completion
● Bulk Erase (BE) instruction completion
Figure 9. Write Disable (WRDI) instruction sequence
S
C
DQ0
DQ1
01234567
Instruction
High Impedance
AI13732
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