Datasheet

Section 11 Timer W
Rev.4.00 Nov. 02, 2005 Page 157 of 304
REJ09B0143-0400
TCNT
Previous clock
N
N+1 N+2 N+3
New clock
Count clock
The change in signal level at clock switching is
assumed to be a rising edge, and TCNT
increments the count.
Figure 11.25 Internal Clock Switching and TCNT Operation