RTC_B Registers
706
SLAU367P – October 2012 – Revised April 2020
Copyright © 2012–2020, Texas Instruments Incorporated
Real-Time Clock B (RTC_B)
28.3.11 RTCDOW Register
Real-Time Clock Day of Week Register
Figure 28-12. RTCDOW Register
7
6
5
4
3
2
1
0
0
0
0
0
0
Day of week
r-0
r-0
r-0
r-0
r-0
rw
rw
rw
Table 28-12. RTCDOW Register Description
Bit
Field
Type
Reset
Description
7-3
0
R
0h
Always reads as 0.
2-0
Day of week
RW
undefined
Day of week. Valid values are 0 to 6.
28.3.12 RTCDAY Register – Hexadecimal Format
Real-Time Clock Day of Month Register – Hexadecimal Format
Figure 28-13. RTCDAY Register
7
6
5
4
3
2
1
0
0
0
0
Day of month
r-0
r-0
r-0
rw
rw
rw
rw
rw
Table 28-13. RTCDAY Register Description
Bit
Field
Type
Reset
Description
7-5
0
R
0h
Always reads as 0.
4-0
Day of month
RW
undefined
Day of month. Valid values are 1 to 31.
28.3.13 RTCDAY Register – BCD Format
Real-Time Clock Day of Month Register – BCD Format
Figure 28-14. RTCDAY Register
7
6
5
4
3
2
1
0
0
0
Day of month – high digit
Day of month – low digit
r-0
r-0
rw
rw
rw
rw
rw
rw
Table 28-14. RTCDAY Register Description
Bit
Field
Type
Reset
Description
7-6
0
R
0h
Always reads as 0.
5-4
Day of month – high
digit
RW
undefined
Day of month – high digit. Valid values are 0 to 3.
3-0
Day of month – low
digit
RW
undefined
Day of month – low digit. Valid values are 0 to 9.