SAM4L Datasheet, PDF (835/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

30.9.15 Write Protect Mode Register
Name:
WPMR
Access Type:
Read/write
Offset:
0xE4
Reset Value:
0x00000000
31
30
29
28
27
26
WPKEY
23
22
21
20
19
18
WPKEY
15
14
13
12
11
10
WPKEY
7
6
5
4
3
2
-
-
-
-
-
-
• WPKEY: Write Protect Key
Valid key is “TIM” in ASCII (0x54494D in hexadecimal).
• WPEN: Write Protect Enable
1: Writing a one to this bit will enable write protection (WPKEY must be set).
0: Writing a zero to this bit will disable write protection (WPKEY must be set).
Protected registers:
Channel Mode Register: Capture Mode
Channel Mode Register: Waveform Mode
Stepper Motor Mode Register
Register A
Register B
Register C
Block Mode Register
ATSAM4L4/L2
25
24
17
16
9
8
1
0
-
WPEN
42023C–SAM–02/2013
835