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H8SX/1663M Datasheet(PDF) 874 Page - Renesas Technology Corp

Part # H8SX/1663M
Description  Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series
PDF  1504 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8SX/1663M Datasheet(HTML) 874 Page - Renesas Technology Corp

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Section 16 8-Bit Timers (TMR)
Rev. 2.00 Sep. 24, 2008 Page 842 of 1468
REJ09B0412-0200
Table 16.9
Switching of Internal Clock and TCNT Operation
No.
Timing to Change CKS1
and CKS0 Bits
TCNT Clock Operation
1
Switching from low to low*
1
Clock before
switchover
Clock after
switchover
TCNT input
clock
TCNT
CKS bits changed
N
N + 1
2
Switching from low to high*
2
Clock before
switchover
Clock after
switchover
TCNT input
clock
TCNT
CKS bits changed
N
N + 1
N + 2
3
Switching from high to low*
3
Clock before
switchover
Clock after
switchover
TCNT input
clock
TCNT
CKS bits changed
N
N + 1
N + 2
*4
4
Switching from high to high
Clock before
switchover
Clock after
switchover
TCNT input
clock
TCNT
CKS bits changed
N
N + 1
N + 2
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 because the change of the signal levels is considered as a falling edge;
TCNT is incremented.



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