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M45PE16 数据表(PDF) 19 Page - STMicroelectronics

部件名 M45PE16
功能描述  16 Mbit, low-voltage, Page-Erasable Serial Flash memory with byte alterability and a 50 MHz SPI bus interface
PDF  45 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M45PE16 数据表(HTML) 19 Page - STMicroelectronics

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M45PE16
Instructions
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6.2
Write Disable (WRDI)
The Write Disable (WRDI) instruction (Figure 7) 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
●
Page Write (PW) instruction completion
●
Page Program (PP) instruction completion
●
Page Erase (PE) instruction completion
●
Sector Erase (SE) instruction completion
Figure 7.
Write Disable (WRDI) instruction sequence
C
D
AI03750D
S
Q
2
1
34567
High Impedance
0
Instruction



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