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15. Electrical Characteristics (H8/3857 Group)
Note: * Output timing reference levels
Rev.3.00 Jul. 19, 2007 page 420 of 532
REJ09B0397-0300
SCK
V
or V
*
1
IH
OH
V
or V
*
IL
OL
t
SCKf
SO
1
SI
1
Output high
Output low
Load conditions are shown in figure 15.10.
Figure 15.6 SCI1 Input/Output Timing
SCK
3
Figure 15.7 SCK3 Input Clock Timing
t
Scyc
t
t
SCKL
SCKH
t
SCKr
t
SOD
V
*
OH
V
*
OL
t
SIS
V
= 2.0 V
OH
V
= 0.8 V
OL
t
SCKW
t
Scyc
t
SIH
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