Renesas R5S72621 User Manual
Section 14 Realtime Clock
R01UH0134EJ0400 Rev. 4.00
Page 685 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
14.3.8
Year Counter (RYRCNT)
RYRCNT is used for setting/counting in the BCD-coded year section. The count operation is
performed by a carry for each year of the month counter.
performed by a carry for each year of the month counter.
The assignable range is from 0000 through 9999 (practically in BCD), otherwise operation errors
occur. Carry out write processing after stopping the count operation through the setting of the
START bit in RCR2.
occur. Carry out write processing after stopping the count operation through the setting of the
START bit in RCR2.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
15
14
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
BIt:
Initial value:
R/W:
1000 years
100 years
10 years
1 year
Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined
Bit Bit
Name
Initial
Value R/W
Value R/W
Description
15 to 12 1000 years Undefined R/W
Counting Thousand's Position of Years
11 to 8
100 years
Undefined R/W
Counting Hundred's Position of Years
7 to 4
10 years
Undefined R/W
Counting Ten's Position of Years
3 to 0
1 year
Undefined R/W
Counting One's Position of Years