h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 368

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 12 8-Bit Timer (TMR)
Table 12.6 Switching of Internal Clocks and TCNT Operation
No.
1
2
3
Rev. 3.00 Mar 21, 2006 page 314 of 788
REJ09B0300-0300
Timing of Switchover
by Means of CKS1
and CKS0 Bits
Clock switching from low
to low level *
Clock switching from low
to high level *
Clock switching from high
to low level *
1
3
2
TCNT Clock Operation
Clock before
switchover
Clock after
switchover
TCNT
clock
TCNT
Clock before
switchover
Clock after
switchover
TCNT
clock
TCNT
Clock before
switchover
Clock after
switchover
TCNT
clock
TCNT
N
N
N
CKS bit rewrite
CKS bit rewrite
N + 1
N + 1
CKS bit rewrite
N + 1
*
4
N + 2
N + 2