RTC_SS
20.3.5.1 SECONDS_REG Register (offset = 0h) [reset = 0h]
SECONDS_REG is shown in
and described in
.
The SECONDS_REG is used to program the required seconds value of the current time. Seconds are
stored as BCD format. In BCD format, the decimal numbers 0 through 9 are encoded with their binary
equivalent. If the seconds value is 45, then the value of SEC0 is 5 and value of SEC1 is 4.
Figure 20-61. SECONDS_REG Register
31
30
29
28
27
26
25
24
Reserved
R-0h
23
22
21
20
19
18
17
16
Reserved
R-0h
15
14
13
12
11
10
9
8
Reserved
R-0h
7
6
5
4
3
2
1
0
Reserved
SEC1
SEC0
R-0h
R/W-0h
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 20-64. SECONDS_REG Register Field Descriptions
Bit
Field
Type
Reset
Description
31-7
Reserved
R
0h
6-4
SEC1
R/W
0h
2nd digit of seconds, Range is 0 to 5
3-0
SEC0
R/W
0h
1st digit of seconds, Range is 0 to 9
3634
Timers
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated