HD64F2149 Datasheet, PDF (395/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Timing of Switchover
by Means of CKS1
No. and CKS0 Bits
3 Switching from high
to low*³
TCNT Clock Operation
Clock before
switchover
Clock after
switchover
TCNT clock
*⁴
TCNT
N
4 Switching from high
to high
Clock before
switchover
Clock after
switchover
TCNT clock
N+1
N+2
CKS bit rewrite
TCNT
N
N+1
N+2
CKS bit rewrite
Notes: 1. Includes switching from low to stop, and from stop to low.
2. Includes switching from stop to high.
3. Includes switching from high to stop.
4. Generated on the assumption that the switchover is a falling edge; TCNT is
incremented.
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