Table 11.4 Switching Of Internal Clock And Tcnt Operation - Hitachi H8S/2628 Hardware Manual

Table 11.4 Switching of Internal Clock and TCNT Operation

Timing of Switchover
by Means of CKS1
No. and CKS0 Bits
1 Switching from low
1
to low*
2 Switching from low
2
to high*
TCNT Clock Operation
Clock before
switchover
Clock after
switchover
TCNT clock
TCNT N
CKS bit rewrite
Clock before
switchover
Clock after
switchover
TCNT clock
TCNT N
N + 1
N + 1 N + 2
CKS bit rewrite
Rev. 1.0, 09/02, page 261 of 568