SAM7X128_14 Datasheet, PDF (111/662 Pages) ATMEL Corporation – ARM-based Flash MCU

• PAGEN: Page Number
Command
PAGEN Description
Write Page Command
PAGEN defines the page number to be written.
Write Page and Lock Command
PAGEN defines the page number to be written and its associated
lock region.
Erase All Command
This field is meaningless
Set/Clear Lock Bit Command
PAGEN defines one page number of the lock region to be locked or
unlocked.
Set/Clear General Purpose NVM Bit Command
PAGEN defines the general-purpose bit number.
Set Security Bit Command
This field is meaningless
Note:
Depending on the command, all the possible unused bits of PAGEN are meaningless.
• KEY: Write Protection Key
This field should be written with the value 0x5A to enable the command defined by the bits of the register. If the field is written with
a different value, the write is not performed and no action is started.
SAM7X Series [DATASHEET]
6120K–ATARM–11-Feb-14
111