Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Data Sheet
Product codes
AT91SAM9X25-EK
981
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
42.7.18 ADC Write Protect Mode Register
Name:
ADC_WPMR
Address:
0xF804C0E4
Access:
Read-write
• WPEN: Write Protect Enable
0 = Disables the Write Protect if WPKEY corresponds to 0x414443 (“ADC” in ASCII).
1 = Enables the Write Protect if WPKEY corresponds to 0x414443 (“ADC” in ASCII).
Protects the registers:
• WPKEY: Write Protect KEY
Should be written at value 0x414443 (“ADC” in ASCII). Writing any other value in this field aborts the write operation of the WPEN
bit. Always reads as 0.
bit. Always reads as 0.
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