SAM3S8B Atmel Corporation, SAM3S8B Datasheet - Page 1004

• Manufacturer Part Number: SAM3S8B
• Manufacturer: Atmel Corporation

37.7.8
Name:
Address:
Access:
• WPEN: Write Protect Enable
0 = disables the Write Protect if WPKEY corresponds to 0x414343 (“ACC” in ASCII).
1 = enables the Write Protect if WPKEY corresponds to 0x414343 (“ACC” in ASCII).
Protects the registers:
• WPKEY: Write Protect KEY
This security code is needed to set/reset the WPROT bit value (see
Must be filled with “ACC” ASCII code.
1004
1004
•
•
“ACC Mode Register” on page 997
“ACC Analog Control Register” on page 1003
31
23
15
7
–
SAM3S8/SD8
SAM3S8/SD8
ACC Write Protect Mode Register
30
22
14
ACC_WPMR
0x400400E4
Read-write
6
–
29
21
13
5
–
28
20
12
4
–
WPKEY
WPKEY
WPKEY
27
19
11
Section 37.6.3 ”Write Protection System”
3
–
26
18
10
2
–
25
17
9
1
–
11090A–ATARM–10-Feb-12
11090A–ATARM–10-Feb-12
for details).
WPEN
24
16
8
0