27.6.4.3.2 Procedure for Automatic Page Writes (CTRLB.MANW=0)

The row to be written to must be erased before the last write to the page buffer is performed.

Note that partially written pages must be written with a manual write.

• Write to the page buffer by addressing the NVM main address space directly.

  When the last location in the page buffer is written, the page is automatically written to NVM main address space.

• INTFLAG.READY will be zero while programming is in progress and access through the AHB will be stalled.