Atmel SAM4S-XPLD Atmel ATSAM4S-XPLD ATSAM4S-XPLD Hoja De Datos
Los códigos de productos
ATSAM4S-XPLD
1037
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
42.7.12 DACC Write Protect Mode Register
Name:
DACC_WPMR
Address:
0x4003C0E4
Access:
Read-write
• WPEN: Write Protect Enable
0 = Disables the Write Protect if WPKEY corresponds to 0x444143 (“DAC” in ASCII).
1 = Enables the Write Protect if WPKEY corresponds to 0x444143 (“DAC” in ASCII).
The protected registers are:
• WPKEY: Write Protect KEY
This security code is needed to set/reset the WPROT bit value (see
Must be filled with “DAC” ASCII code.
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