
NuMicro® NUC029LEE/NUC029SEE
32-bit Arm
®
Cortex
®
-M0 Microcontroller
Aug, 2018
Page
321
of
497
Rev 1.00
N
U
MICRO
®
N
UC02
9L
E
E
/N
UC029
S
E
E
T
E
CHN
ICA
L R
E
F
E
R
E
NC
E
M
A
NU
A
L
RTC Access Enable Register (AER)
Register
Offset
R/W
Description
Reset Value
AER
0x04
R/W
RTC Access Enable Register
0x0000_0000
31
30
29
28
27
26
25
24
Reserved
23
22
21
20
19
18
17
16
Reserved
ENF
15
14
13
12
11
10
9
8
AER
7
6
5
4
3
2
1
0
AER
Bits
Description
[31:17]
Reserved
Reserved.
[16]
ENF
RTC Register Access Enable Flag (Read Only)
0 = RTC register read/write access Disabled.
1 = RTC register read/write access Enabled.
Note:
This bit will be set after AER[15:0] is load a 0xA965, and will be cleared
automatically after 1024 RTC clocks.
[15:0]
AER
RTC Register Access Enable Password (Write Only)
Writing 0xA965 to this register will enable RTC access and keep 1024 RTC clocks.