Renesas Hitachi H8S/2194 Series Hardware Manual page 416

Re-writing timing
for the CKS1 and
No. CKS0
High → Low level
3
changeover
High → High level
4
changeover
Note: The count clock signals are issued deeming the changeover timing as the falling edge
*
to have the FRC to count up.
FRC operation
Clock before
the changeover
Clock after
the changeover
Count
clock
FRC N
Clock before
the changeover
Clock after
the changeover
Count
clock
FRC N
*
N+1
Re-writing of the CKS1 and CKS0
N+1
Re-writing of the CKS1 and CKS0
Rev. 2.0, 11/00, page 389 of 1037
N+2
N+2