RTC_C Registers
764
SLAU367P – October 2012 – Revised April 2020
Copyright © 2012–2020, Texas Instruments Incorporated
Real-Time Clock C (RTC_C)
29.4.48 RTCYEARBAKx Register – Hexadecimal Format
Real-Time Clock Year Low-Byte Backup Register – Hexadecimal Format
(1)
These bits are not reset on POR.
Figure 29-51. RTCYEARBAKx Register
15
14
13
12
11
10
9
8
0
0
0
0
Year – high byte
(1)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
7
6
5
4
3
2
1
0
rw-(0)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
Table 29-52. RTCYEARBAKx Register Description
Bit
Field
Type
Reset
Description
15-12
0
RW
0h
Always 0.
11-8
Year – high byte
RW
0h
Year – high byte. Valid values of Year are 0 to 4095.
7-0
Year – low byte
RW
0h
Year – low byte. Valid values of Year are 0 to 4095.
29.4.49 RTCYEARBAKx Register – BCD Format
Real-Time Clock Year Low-Byte Backup Register – BCD Format
(1)
These bits are not reset on POR.
Figure 29-52. RTCYEARBAKx Register
15
14
13
12
11
10
9
8
0
Century – high digit
(1)
Century – low digit
(1)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
7
6
5
4
3
2
1
0
Decade
(1)
Year – lowest digit
(1)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
rw-(0)
Table 29-53. RTCYEARBAKx Register Description
Bit
Field
Type
Reset
Description
15
0
RW
0h
Always 0.
14-12
Century – high digit
RW
0h
Century – high digit. Valid values are 0 to 4.
11-8
Century – low digit
RW
0h
Century – low digit. Valid values are 0 to 9.
7-4
Decade
RW
0h
Decade. Valid values are 0 to 9.
3-0
Year – lowest digit
RW
0h
Year – lowest digit. Valid values are 0 to 9.