Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet

Product codes
ATSAM4S-WPIR-RD
Page of 1231
1097
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
42.7.20 ADC Write Protection Mode Register
Name:
ADC_WPMR
Address:
0x400380E4
Access:
Read/Write
• WPEN: Write Protection Enable
0: Disables the write protection if WPKEY value corresponds to 0x414443 (“ADC” in ASCII). 
1: Enables the write protection if WPKEY value corresponds to 0x414443 (“ADC” in ASCII). 
See 
 for list of write-protected registers.
• WPKEY: Write Protection Key
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
Value
Name
Description
0x414443
PASSWD
Writing any other value in this field aborts the write operation of the WPEN bit. 
Always reads as 0