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20.3.5.13 ALARM_YEARS_REG Register (offset = 34h) [reset = 0h]
ALARM_YEARS_REG is shown in Figure 20-73 and described in Table 20-76.
The ALARM_YEARS_REG is used to program the year for the alarm interrupt. Only the last two digits are
used to represent the year and is stored as BCD format. In BCD format, the decimal numbers 0 through 9
are encoded with their binary equivalent.
Figure 20-73. ALARM_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
ALARM_YEAR1 ALARM_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 20-76. ALARM_YEARS_REG Register Field Descriptions
Bit Field Type Reset Description
31-8 Reserved R 0h
7-4 ALARM_YEAR1 R/W 0h
2nd digit of years, Range from 0 to 9
3-0 ALARM_YEAR0 R/W 0h
1st digit of years, Range from 0 to 9
3646
Timers SPRUH73H–October 2011–Revised April 2013
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