Table 13.7 Switching Of Internal Clocks And Tcnt Operation - Renesas H8S Series Hardware Manual

Table 13.7 Switching of Internal Clocks and TCNT Operation

Timing of Switchover
by Means of CKS1
No. and CKS0 Bits
1 Clock switching from low
1
to low level*
2 Clock switching from low
2
to high level*
3 Clock switching from high
3
to low level*
TCNT Clock Operation
Clock before
switchover
Clock after
switchover
TCNT
clock
TCNT N
Clock before
switchover
Clock after
switchover
TCNT
clock
TCNT N
Clock before
switchover
Clock after
switchover
TCNT
clock
TCNT N
Section 13 8-Bit Timer (TMR)
N + 1
CKS bit rewrite
N + 1 N + 2
CKS bit rewrite
4
*
N + 1 N + 2
CKS bit rewrite
Rev. 3.00 Jul. 14, 2005 Page 411 of 986
REJ09B0098-0300