參數(shù)資料
型號(hào): M25P80VMW3P
廠商: STMICROELECTRONICS
元件分類: PROM
英文描述: 1M X 8 FLASH 2.7V PROM, PDSO8
封裝: 0.200 INCH, ROHS COMPLIANT, PLASTIC, SO-8
文件頁數(shù): 5/41頁
文件大?。?/td> 563K
代理商: M25P80VMW3P
13/41
M25P80
Write Enable (WREN)
The Write Enable (WREN) instruction (Figure 8.)
sets the Write Enable Latch (WEL) bit.
The Write Enable Latch (WEL) bit must be set pri-
or to every Page Program (PP), Sector Erase
(SE), Bulk Erase (BE) and Write Status Register
(WRSR) instruction.
The Write Enable (WREN) instruction is entered
by driving Chip Select (S) Low, sending the in-
struction code, and then driving Chip Select (S)
High.
Figure 8. Write Enable (WREN) Instruction Sequence
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 instruc-
tion 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
Figure 9. Write Disable (WRDI) Instruction Sequence
C
D
AI02281E
S
Q
2
1
34567
High Impedance
0
Instruction
C
D
AI03750D
S
Q
2
1
34567
High Impedance
0
Instruction
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