Renesas R5S72621 User Manual
Section 14 Realtime Clock
Page 680 of 2108
R01UH0134EJ0400 Rev. 4.00
Sep
24,
2014
SH7262 Group, SH7264 Group
14.3.3
Minute Counter (RMINCNT)
RMINCNT is used for setting/counting in the BCD-coded minute section. The count operation is
performed by a carry for each minute of the second counter.
performed by a carry for each minute of the second counter.
The assignable range is from 00 through 59 (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.
Undefined Undefined Undefined Undefined Undefined Undefined Undefined
0
1
2
3
4
5
6
7
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
BIt:
Initial value:
R/W:
-
10 minutes
1 minute
Bit Bit
Name
Initial
Value R/W
Value R/W
Description
7
0 R
Reserved
This bit is always read as 0.The write value should
always be 0.
6 to 4
10 minutes
Undefined R/W
Counting Ten's Position of Minutes
Counts on 0 to 5 for 60-minutes counting.
3 to 0
1 minute
Undefined R/W
Counting One's Position of Minutes
Counts on 0 to 9 once per second. When a carry is
generated, 1 is added to the ten's position.
generated, 1 is added to the ten's position.