5.6.2 Write Enable Latch (WEL)

The Write Enable Latch (WEL) bit is a read-only indicator of the internal write enable status. When WEL is set to 1, the device is enabled for write operations. When cleared to 0 (Reset), the device is not write-enabled and does not accept any program commands. The Write Enable Latch bit is automatically reset under the following conditions:

  • Power-up
  • Software/Hardware reset
  • Execution of the Write Disable (WRDI) instruction
  • Completion of any Page Program instruction
  • Completion of any Erase instruction
  • Completion of a Write Status Register instruction for a nonvolatile value
  • Completion of a Program/Erase Security Register instruction