R01UH0823EJ0100 Rev.1.00
Page 752 of 1823
Jul 31, 2019
RX23W Group
26. 8-Bit Timer (TMR)
Note 1. Includes switching from low to stop, and from stop to low.
Note 2. Includes switching from stop to high.
Note 3. Generated because the change of the signal levels is considered as an edge; TCNT counter is incremented.
Note 4. Includes switching from high to stop.
3
Switching from high to low*
4
Switching from high to high
Table 26.8
Switching of Internal Clocks and TCNT Operation (2/2)
No.
Timing to Change the
TCCR.CKS[2:0] Bits
TCNT Counter Operation
Clock before
switching
Clock after
switching
TCNT count
clock
TCNT
TCCR.CKS[2:0] bits changed
N + 1
N
N + 2
N + 3
Clock before
switching
Clock after
switching
TCNT count
clock
TCNT
TCCR.CKS[2:0] bits changed
N + 1
N
N + 2