n25q032 Numonyx, n25q032 Datasheet - Page 67

• Manufacturer Part Number: n25q032
• Description: 32-mbit 3 V, Multiple I/o, 4-kbyte Subsector Erase, Xip Enabled, Serial Flash Memory With 108 Mhz Spi Bus Interface
• Manufacturer: Numonyx

9.1.11
Write Disable (WRDI)
The Write Disable (WRDI) instruction 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:
Figure 20. Write Disable instruction sequence
Power-up
Write Disable (WRDI) instruction completion
Write Status Register (WRSR) instruction completion
Write lo Lock Register (WRLR) instruction completion
Write Non Volatile Configuration Register (WRNVCR) instruction completion
Write Volatile Configuration Register (WRVCR) instruction completion
Write Volatile Enhanced Configuration Register (WRVECR) instruction completion
Page Program (PP) instruction completion
Dual Input Fast Program (DIFP) instruction completion
Dual Input Extended Fast Program (DIEFP) instruction completion
Quad Input Fast Program (QIFP) instruction completion
Quad Input Extended Fast Program (QIEFP) instruction completion
Program OTP (POTP) instruction completion
Subsector Erase (SSE) instruction completion
Sector Erase (SE) instruction completion
Bulk Erase (BE) instruction completion
S
C
DQ0
DQ1
High Impedance
0
1
2
Instruction
3
4
5
6
7
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