Atmel SAM4L-EK Atmel ATSAM4L-EK ATSAM4L-EK Data Sheet
Product codes
ATSAM4L-EK
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
7
6
5
4
3
2
1
0
–
–
–
–
–
–
–
WPEN