M25PE16 Numonyx, B.V., M25PE16 Datasheet - Page 23
M25PE16
Manufacturer Part Number
M25PE16
Description
16-Mbit, page-erasable serial flash memory with byte-alterability, 75 MHz SPI bus, standard pinout
Manufacturer
Numonyx, B.V.
Datasheet
1.M25PE16.pdf
(58 pages)
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M25PE16
6.2
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 7.
Power-up
Write disable (WRDI) instruction completion
Write status register (WRSR) instruction completion
Page write (PW) instruction completion
Page program (PP) instruction completion
Write to lock register (WRLR) instruction completion
Page erase (PE) instruction completion
Sector erase (SE) instruction completion
Subsector erase (SSE) instruction completion
Bulk erase (BE) instruction completion
Write disable (WRDI) instruction sequence
S
C
D
Q
High Impedance
0
(Figure
1
2
Instruction
7) resets the write enable latch (WEL) bit.
3
4
5
6
7
AI03750D
Instructions
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