R01UH0823EJ0100 Rev.1.00
Page 792 of 1823
Jul 31, 2019
RX23W Group
28. Realtime Clock (RTCe)
28.3
Operation
28.3.1
Outline of Initial Settings of Registers after Power On
After the power is turned on, the initial settings for the clock setting, count mode setting, time error adjustment, time
setting, alarm, interrupt, and time capture control register should be performed.
Figure 28.2
Outline of Initial Settings after Power On
Set the time capture control register
Clock and count mode settings
Set the interrupt
Power on
Set the alarm
Initial setting of the alarm register
Initial setting of the interrupt control register
Initial setting of the time capture control register
Clock supply setting and count mode setting
Set the time
Time setting in the clock counter and initial
setting of the time error adjustment register