SAM3SD8C Atmel Corporation, SAM3SD8C Datasheet - Page 372
SAM3SD8C
Manufacturer Part Number
SAM3SD8C
Description
Manufacturer
Atmel Corporation
- Current page: 372 of 1143
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22.8.6
Name:
Address:
Access:
For more details on MATRIX_WPMR, refer to
• WPEN: Write Protect ENable
0 = Disables the Write Protect if WPKEY corresponds to 0x4D4154 (“MAT” in ASCII).
1 = Enables the Write Protect if WPKEY corresponds to 0x4D4154 (“MAT” in ASCII).
Protects the entire MATRIX address space from address offset 0x000 to 0x1FC.
• WPKEY: Write Protect KEY (Write-only)
Should be written at value 0x4D4154 (“MAT” in ASCII). Writing any other value in this field aborts the write operation of the
WPEN bit. Always reads as 0.
372
372
31
23
15
7
–
SAM3S8/SD8
SAM3S8/SD8
Write Protect Mode Register
MATRIX_WPMR
0x400E03E4
Read-write
30
22
14
6
–
29
21
13
5
–
Section 22.7 “Write Protect Registers” on page
28
20
12
4
–
WPKEY
WPKEY
WPKEY
27
19
11
3
–
26
18
10
2
–
365.
25
17
9
1
–
11090A–ATARM–10-Feb-12
11090A–ATARM–10-Feb-12
WPEN
24
16
8
0
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