Renesas H8S/2437 Hardware Manual page 451

Timing of Switchover by
Means of CKS2 to CKS0
No. Bits
3 Switching from
3
high to low*
4 Switching from
high to high
Notes: 1. Including switching from low to stop and from stop to low
2. Including switching from stop to high
3. Including switching from high to stop
4. Generated on the assumption that the switchover is a falling edge; TWCNT is
incremented.
TWCNT Operation
Clock
before switchover
Clock
after switchover
TWCNT clock
TWCNT
Clock
before switchover
Clock
after switchover
TWCNT clock
TWCNT N
4
*
N N+1
Switchover of CKS bit
N+1
Switchover of CKS bit
Rev. 1.00, 09/03, page 413 of 704
N+2
N+2 N+3