M25P32 Numonyx, B.V., M25P32 Datasheet - Page 22
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M25P32
Manufacturer Part Number
M25P32
Description
32-Mbit, low voltage, serial Flash memory with 75 MHz SPI bus interface
Manufacturer
Numonyx, B.V.
Datasheet
1.M25P32.pdf
(53 pages)
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Instructions
6.2
22/53
Write Disable (WRDI)
The Write Disable (WRDI) instruction
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:
●
●
●
●
●
●
Figure 9.
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
C
D
Q
High Impedance
0
(Figure
1
2
Instruction
9) resets the Write Enable Latch (WEL) bit.
3
4
5
6
7
AI03750D
M25P32