Datasheet

912
42023E–SAM–07/2013
ATSAM4L8/L4/L2
33.7.8 Write Protect Mode Register
Name:
WPMR
Access: Read/Write
Offset: 0xE4
Reset Value: 0x00000000
• WPKEY: Write Protect KEY
This security code is needed to set/reset the WPEN bit.
Must be filled with “DAC” ASCII code (
0x444143).
• WPEN: Write Protect Enable
0 = Disables the Write Protect.
1 = Enables the Write Protect.
31 30 29 28 27 26 25 24
WPKEY
23 22 21 20 19 18 17 16
WPKEY
15 14 13 12 11 10 9 8
WPKEY
76543210
–––––––WPEN