RTC_SS
20.3.5.6 YEARS_REG Register (offset = 14h) [reset = 0h]
YEARS_REG is shown in
and described in
The YEARS_REG is used to program the year value of the current date. The year value is represented by
only the last 2 digits and is stored as BCD format. In BCD format, the decimal numbers 0 through 9 are
encoded with their binary equivalent. The year 1979 is programmed as 79 with YEAR0 set as 9 and
YEAR1 set as 7.
Figure 20-66. YEARS_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
YEAR1
YEAR0
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 20-69. YEARS_REG Register Field Descriptions
Bit
Field
Type
Reset
Description
31-8
Reserved
R
0h
7-4
YEAR1
R/W
0h
2nd digit of years, Range is 0 to 9
3-0
YEAR0
R/W
0h
1st digit of years, Range is 0 to 9
3639
SPRUH73H – October 2011 – Revised April 2013
Timers
Copyright © 2011–2013, Texas Instruments Incorporated