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Section 14 Realtime Clock
Page 690 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
14.3.13 Date Alarm Register (RDAYAR)
RDAYAR is an alarm register corresponding to the BCD-coded date counter RDAYCNT. When
the ENB bit is set to 1, a comparison with the RDAYCNT value is performed. From among
RSECAR/RMINAR/RHRAR/RWKAR/RDAYAR/RMONAR/RCR3, the counter and alarm
register comparison is performed only on those with ENB bits set to 1, and if each of those
coincides, an alarm flag of RCR1 is set to 1.
The assignable range is from 01 through 31 + ENB bits (practically in BCD), otherwise operation
errors occur.
Undefined Undefined UndefinedUndefined UndefinedUndefined Undefined
R/W
ENB
01234567
R/W R/W R/W
0
R
BIt:
Initial value:
R/W:
-
10 days
R/W R/WR/W
1 day
Bit Bit Name
Initial
Value R/W Description
7 ENB Undefined R/W When this bit is set to 1, a comparison with the
RDAYCNT value is performed.
6 0 R Reserved
This bit is always read as 0. The write value should
always be 0.
5, 4 10 days Undefined R/W Ten's position of dates setting value
3 to 0 1 day Undefined R/W One's position of dates setting value