Instructions
M25P05-A
6.2
Write disable (WRDI)
The write disable (WRDI) instruction (Figure
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
Page program (PP) instruction completion
Sector erase (SE) instruction completion
Bulk erase (BE) instruction completion.
Write disable (WRDI) instruction sequence
S
0
C
Instruction
D
High Impedance
Q
AI03750D
Figure 8.
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