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20.3.5.12 ALARM_MONTHS_REG Register (offset = 30h) [reset = 1h]
ALARM_MONTHS_REG is shown in Figure 20-72 and described in Table 20-75.
The ALARM_MONTHS_REG is used to program the month in the year value for the alarm interrupt. The
month is stored as BCD format. In BCD format, the decimal numbers 0 through 9 are encoded with their
binary equivalent.
Figure 20-72. ALARM_MONTHS_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 ALARM_MONTH1 ALARM_MONTH0
R-0h R/W-0h R/W-1h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 20-75. ALARM_MONTHS_REG Register Field Descriptions
Bit Field Type Reset Description
31-5 Reserved R 0h
4 ALARM_MONTH1 R/W 0h
2nd digit of months, Range from 0 to 1
3-0 ALARM_MONTH0 R/W 1h
1st digit of months, Range from 0 to 9
3645
SPRUH73H–October 2011–Revised April 2013 Timers
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