Second Counter (Seccnt); Minute Counter (Mincnt); Hour Counter (Hrcnt) - Renesas SH7727 General Information Manual

R0P7727TH003TRKE General Information Manual

6.3.3 Second Counter (SECCNT)

Address: 0x002 Initial value: 0xXX (Not defined)
D7 D6
0
R R/W
The counter value is a BCD (Binary Coded Decimal) value. Counting takes place within a range from 00 to 59.
When the value changes from 59 to 00, a carry is generated in the minute counter.

6.3.4 Minute Counter (MINCNT)

Address: 0x0003 Initial value: 0xXX (Not defined)
D7 D6
0
R R/W
The counter value is a BCD (Binary Coded Decimal) value. Counting takes place within a range from 00 to 59.
When the value changes from 59 to 00, a carry is generated in the hour counter.

6.3.5 Hour Counter (HRCNT)

Address: 0x0004 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 00 to 23.
When the value changes from 23 to 00, a carry is generated in the day counter and the day-of-the-week
counter.
D5 D4
10 seconds
R/W R/W
D5 D4
10 minutes
R/W R/W
D5 D4
10 hours
R/W R/W
D3 D2 D1
1 second
R/W R/W R/W
D3 D2 D1
1 minute
R/W R/W R/W
D3 D2 D1
1 hour
R/W R/W R/W
52
Power Supply Controller
D0
R/W
D0
R/W
D0
R/W