SAM4C_14 Datasheet, PDF (611/1303 Pages) ATMEL Corporation – Atmel | SMART ARM-based Flash MCU

30.19.22PMC Write Protection Mode Register
Name:
PMC_WPMR
Address: 0x400E04E4
Access: Read/Write
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
• WPEN: Write Protection Enable
0: Disables the write protection if WPKEY corresponds to 0x504D43 (“PMC” in ASCII).
1: Enables the write protection if WPKEY corresponds to 0x504D43 (“PMC” in ASCII).
See Section 30.18 ”Register Write Protection” for the list of registers that can be write-protected.
• WPKEY: Write Protection Key
Value
0x504D43
Name
PASSWD
Description
Writing any other value in this field aborts the write operation of the WPEN
bit. Always reads as 0.
SAM4C Series [DATASHEET]
Atmel-11102E-ATARM-SAM4C32-SAM4C16-SAM4C8-Datasheet_06-Oct-14
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