UPD78F1502AGK-GAK-AX Datasheet, PDF (383/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

78K0R/Lx3
CHAPTER 7 REAL-TIME COUNTER
7.4.5 1 Hz output of real-time counter
Figure 7-24. 1 Hz Output Setting Procedure
Start
RTCE = 0
Stops counter operation.
RCLOE1 = 1
Enables output of RTC1HZ pin (1 Hz).
RTCE = 1
Starts counter operation.
Output start from RTC1HZ pin
7.4.6 32.768 kHz output of real-time counter
Figure 7-25. 32.768 kHz Output Setting Procedure
Start
RTCE = 0
RCLOE0 = 1
RTCE = 1
Stops counter operation.
Enables output of RTCCL pin (32.768 kHz).
Starts counter operation.
32.768 kHz output start
from RTCCL pin
R01UH0004EJ0501 Rev.5.01
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Jun 20, 2011