Datasheet

Section 17 Timer RE
REJ09B0465-0300 Rev. 3.00 Page 617 of 982
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
Bit Symbol Bit Name Description R/W
2 HRF Hour periodic
interrupt
request flag
[Setting condition]
• Each time TREHR is updated in realtime clock mode.
(Occurs every hour)
[Clearing conditions]
• When 1 is read from the bit and then 0 is written to
the bit.
• When the DTC is activated with an hour periodic
interrupt and the DISEL bit in the MRB register of the
DTC is 1.
R/W
1 MNF Minute
periodic
interrupt
request flag
[Setting condition]
• Each time TREMIN is updated in realtime clock mode.
(Occurs every minute)
[Clearing conditions]
• When 1 is read from the bit and then 0 is written to
the bit.
• When the DTC is activated with a minute periodic
interrupt and the DISEL bit in the MRB register of the
DTC is 1.
R/W
0 SECF Second
periodic
interrupt
request flag
[Setting condition]
• Each time TRESEC is updated in realtime clock
mode. (Occurs every second)
[Clearing conditions]
• When 1 is read from the bit and then 0 is written to
the bit.
• When the DTC is activated with a second periodic
interrupt and the DISEL bit in the MRB register of the
DTC is 1.
R/W