Table 13.6 Switching Of Internal Clocks And Tcnt Operation - Renesas H8S/2158 User Manual

Table 13.6 Switching of Internal Clocks and TCNT Operation

Timing of Switchover
by Means of CKS1
No. and CKS0 Bits
1 Clock switching from low
to low level * 1
2 Clock switching from low
to high level ∗
2
3 Clock switching from
high to low level ∗
TCNT Clock Operation
Clock before
switchover
Clock after
switchover
TCNT
clock
TCNT
Clock before
switchover
Clock after
switchover
TCNT
clock
TCNT
Clock before
3
switchover
Clock after
switchover
TCNT
clock
TCNT
Section 13 8-Bit Timer (TMR)
N N + 1
CKS bit rewrite
N N + 1
CKS bit rewrite
* 4
N N + 1
CKS bit rewrite
Rev. 3.00 Jan 25, 2006 page 343 of 872
N + 2
N + 2
REJ09B0286-0300