SAM3N0B Atmel Corporation, SAM3N0B Datasheet - Page 246
![no-image](/images/manufacturer_photos/0/0/79/atmel_corporation_sml.jpg)
SAM3N0B
Manufacturer Part Number
SAM3N0B
Description
Manufacturer
Atmel Corporation
- Current page: 246 of 752
- Download datasheet (17Mb)
14.6.13
Name:
Address:
Access:
• WPEN: Write Protect Enable
0 = Disables the Write Protect if WPKEY corresponds to 0x525443 (“RTC” in ASCII).
1 = Enables the Write Protect if WPKEY corresponds to 0x525443 (“RTC” in ASCII).
Protects the registers:
“RTC Mode Register”
“RTC Mode Register”
“RTC Time Alarm Register”
“RTC Calendar Alarm Register”
246
31
23
15
—
7
SAM3N
RTC Write Protect Mode Register
RTC_WPMR
0x400E1544
Read-write
30
22
14
—
6
29
21
13
—
5
28
20
12
—
4
WPKEY
WPKEY
WPKEY
27
19
11
—
3
26
18
10
—
2
25
17
—
9
1
11011A–ATARM–04-Oct-10
WPEN
24
16
8
0
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