Day-Of-The-Week Counter (Wkcnt); Day Counter (Daycnt); Month Counter (Moncnt) - Renesas SH7727 General Information Manual

R0P7727TH003TRKE General Information Manual

6.3.6 Day-of-the-Week Counter (WKCNT)

Address: 0x0005 Initial Value: 0xXX (Not defined)
D7 D6
0 0
R R
Counting takes place within a range from 0x00 to 0x06.
The following shows the correspondence between the day of the week and the value of the septinary
incremental counter.
(D2.D1.D0) = (0.0.0) →Sunday
(D2.D1.D0) = (0.0.1) →Monday
(D2.D1.D0) = (0.1.0) →Tuesday
(D2.D1.D0) = (0.1.1) →Wednesday
(D2.D1.D0) = (1.0.0) →Thursday
(D2.D1.D0) = (1.0.1) →Friday
(D2.D1.D0) = (1.1.0) →Saturday

6.3.7 Day Counter (DAYCNT)

Address: 0x0006 Initial value: 0xXX (Not defined)
D7 D6
0 0
R R
The counter value is a BCD (Binary Coded Decimal) value. Counting takes place within a range from 1 to 31
(January, March, July, August, October and December), 1 to 30 (April, June, September and November), 1 to 28
(February in normal year) or 1 to 29 (February in leap year).

6.3.8 Month Counter (MONCNT)

Address: 0x0007 Initial value: 0xXX (Not defined)
D7 D6
0 0
R R
The counter value is a BCD (Binary Coded Decimal) value. Counting takes place within a range from 1 to 12.
When the counter value changes from 12 to 1, a carry is generated in the year counter.
D5 D4
0 0
R R
D5 D4
10 days
R/W R/W R/W
D5 D4
0 October
R R/W R/W
D3 D2 D1
0 Septinary incremental counter
R R/W R/W
D3 D2 D1
1 day
R/W R/W
D3 D2 D1
January
R/W R/W
53
Power Supply Controller
D0
R/W
D0
R/W
D0
R/W