RTC_SS
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20.3.5.1 SECONDS_REG Register (offset = 0h) [reset = 0h]
SECONDS_REG is shown in Figure 20-61 and described in Table 20-64.
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
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