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20.3.5.7 WEEKS_REG Register (offset = 18h) [reset = 0h]
WEEKS_REG is shown in Figure 20-67 and described in Table 20-70.
The WEEKS_REG is used to program the day of the week value of the current date. The day of the week
is stored as BCD format. In BCD format, the decimal numbers 0 through 9 are encoded with their binary
equivalent. Sunday is treated as 0, Monday 1, and ending at Saturday with 6.
Figure 20-67. WEEKS_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 WEEK
R-0h R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 20-70. WEEKS_REG Register Field Descriptions
Bit Field Type Reset Description
31-3 Reserved R 0h
2-0 WEEK R/W 0h
1st digit of days in a week, Range from 0 (Sunday) to 6 (Saturday)
3640
Timers SPRUH73H–October 2011–Revised April 2013
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