h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 396

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 13 8-Bit Timer (TMR)
Notes: 1. Includes switching from low to stop, and from stop to low.
13.9.6
If the 16-bit count mode and compare-match count mode are set simultaneously, the input clock
pulses for TCNT_0 and TCNT_1 are not generated, and thus the counters will stop operating.
Simultaneous setting of these two modes should therefore be avoided.
Rev. 3.00 Jan 25, 2006 page 344 of 872
REJ09B0286-0300
No.
4
Timing of Switchover
by Means of CKS1
and CKS0 Bits
Clock switching from
high to high level
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
Mode Setting with Cascaded Connection
incremented.
TCNT Clock Operation
Clock before
switchover
Clock after
switchover
TCNT
clock
TCNT
N
N + 1
CKS bit rewrite
N + 2