h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 394

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 12 8-Bit Timers
No.
3
4
Notes: 1. Includes switching from low to stop, and from stop to low.
Rev. 4.00 Jun 06, 2006 page 340 of 1004
REJ09B0301-0400
Timing of Switchover
by Means of CKS1
and CKS0 Bits
Switching from high
to low *
Switching from high
to high
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.
3
TCNT Clock Operation
Clock before
switchover
Clock after
switchover
TCNT clock
TCNT
Clock before
switchover
Clock after
switchover
TCNT clock
TCNT
N
N
CKS bit rewrite
N + 1
N + 1
*
4
CKS bit rewrite
N + 2
N + 2