SAM3SD8B Atmel Corporation, SAM3SD8B Datasheet - Page 677

• Manufacturer Part Number: SAM3SD8B
• Manufacturer: Atmel Corporation

30.8.10
Name:
Address:
Access:
• SPIWPEN: SPI Write Protection Enable
0: The Write Protection is Disabled
1: The Write Protection is Enabled
• SPIWPKEY: SPI Write Protection Key Password
If a value is written in SPIWPEN, the value is taken into account only if SPIWPKEY is written with “SPI” (SPI written in
ASCII Code, ie 0x535049 in hexadecimal).
11090A–ATARM–10-Feb-12
11090A–ATARM–10-Feb-12
31
23
15
7
-
SPI Write Protection Mode Register
SPI_WPMR
0x400080E4
30
22
14
Read-write
6
-
29
21
13
5
-
28
20
12
4
-
SPIWPKEY
SPIWPKEY
SPIWPKEY
27
19
11
3
-
26
18
10
2
-
SAM3S8/SD8
SAM3S8/SD8
25
17
9
1
-
SPIWPEN
24
16
8
0
677
677