Datasheet

78K0/Kx2-L CHAPTER 10 REAL-TIME COUNTER
R01UH0028EJ0400 Rev.4.00 391
Sep 27, 2010
10.4.5 1 Hz output of real-time counter
Set 1 Hz output after setting 0 to RTCE first.
Figure 10-24. 1 Hz Output Setting Procedure
RTCE = 0
RTCE = 1
Start
Stops counter operation.
RCLOE1 = 1
Enables output of RTC1HZ pin (1 Hz).
Starts counter operation.
Output start from RTC1HZ pin
10.4.6 32.768 kHz output of real-time counter
Set 32.768 kHz output after setting 0 to RTCE first.
Figure 10-25. 32.768 kHz Output Setting Procedure
RTCE = 0
RTCE = 1
Start
Stops counter operation.
RCLOE0 = 1
Enables output of RTCCL pin (32.768 kHz).
Starts counter operation.
32.768 kHz output
start from RTCCL pin