Datasheet
Section 21 Clock Pulse Generator
Rev. 3.00 Sep. 28, 2009 Page 630 of 710
REJ09B0384-0300
21.8.3 Note on Operation Check
This LSI may oscillate at several kHz of frequency even when a crystal resonator is not connected
to the EXTAL and XTAL pins or an external clock is not input. Use this LSI after confirming that
the LSI operates with appropriate frequency.