SAM3SD8C Atmel Corporation, SAM3SD8C Datasheet - Page 420

• Manufacturer Part Number: SAM3SD8C
• Manufacturer: Atmel Corporation

23.15.8
Name:
Address:
Access:
Reset:
• WPEN: Write Protect Enable
0 = Disables the Write Protect if WPKEY corresponds to 0x534D43 (“SMC” in ASCII).
1 = Enables the Write Protect if WPKEY corresponds to 0x534D43 (“SMC” in ASCII).
Protects the registers listed below:
• WPKEY: Write Protect KEY
Should be written at value 0x534D43 (“SMC” in ASCII). Writing any other value in this field aborts the write operation of the
WPEN bit. Always reads as 0.
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420
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Section 23.15.1 ”SMC Setup Register”
Section 23.15.2 ”SMC Pulse Register”
Section 23.15.3 ”SMC Cycle Register”
Section 23.15.4 ”SMC MODE Register”
31
23
15
—
7
SAM3S8/SD8
SAM3S8/SD8
SMC Write Protect Mode Register
30
22
14
—
0x400E00E4
Read-write
See
6
SMC_WPMR
Table 23-7
29
21
13
—
5
28
20
12
—
4
WPKEY
WPKEY
WPKEY
27
19
11
—
3
26
18
10
—
2
25
17
—
9
1
11090A–ATARM–10-Feb-12
11090A–ATARM–10-Feb-12
WPEN
24
16
8
0