r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 840

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r4f2456

Manufacturer Part Number
r4f2456
Description
16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet

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Section 13 8-Bit Timers (TMR)
Table 13.6 Switching of Internal Clock and TCNT Operation
Rev. 1.00 Sep. 19, 2008 Page 810 of 1342
REJ09B0467-0100
No.
1
2
3
Timing of Switchover
by Means of Modifying
CKS1, CKS0, ICKS1,
and ICKS0 Bits
Switching from
low to low *
Switching from
low to high *
Switching from
high to low *
1
2
3
TCNT Clock Operation
Clock before
switchover
Clock after
switchover
TCNT clock
TCNT
Clock before
switchover
Clock before
swichover
Clock after
switchover
TCNT clock
TCNT
Clock after
swichover
TCNT clock
TCNT
N
N
N
CKS bit write
N + 1
CKS bit write
N + 1
CKS bit write
N + 1
*
4
N + 2
N + 2

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