HD6413007F20 Datasheet, PDF (417/798 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

No. CKS1 and CKS0 Write Timing
4
Low → low switchover*⁴
8TCNT Operation
Old clock source
New clock source
8TCNT clock
10. 8-Bit Timers
8TCNT
N
N+1
N+2
CKS bits rewritten
Notes: 1. Including switchovers from a high clock source to the halted state, and from the halted
state to a high clock source.
2. Including switchover from the halted state to a low clock source.
3. Including switchover from a low clock source to the halted state.
4. The switchover is regarded as a rising edge, causing 8TCNT to increment.
Rev.5.00 Sep. 12, 2007 Page 387 of 764
REJ09B0396-0500