SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 709
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SAM3X8E
Manufacturer Part Number
SAM3X8E
Description
Manufacturer
Atmel Corporation
- Current page: 709 of 1465
- Download datasheet (26Mb)
32.8.10
Name:
Address:
Access:
• WPEN: Write Protection Enable
0: The Write Protection is Disabled
1: The Write Protection is Enabled
• WPKEY: Write Protection Key Password
If a value is written in WPEN, the value is taken into account only if WPKEY is written with “SPI” (SPI written in ASCII Code,
ie 0x535049 in hexadecimal).
List of the write-protected registers:
Section 32.8.2 ”SPI Mode Register”
Section 32.8.9 ”SPI Chip Select Register”
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
31
23
15
7
-
SPI Write Protection Mode Register
SPI_WPMR
0x400080E4 (0), 0x4000C0E4 (1)
30
22
14
Read-write
6
-
29
21
13
5
-
28
20
12
4
-
WPKEY
WPKEY
WPKEY
27
19
11
3
-
26
18
10
2
-
25
17
9
1
-
SAM3X/A
SAM3X/A
WPEN
24
16
8
0
709
709
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