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15. Electrical Characteristics (H8/3857 Group)
Table 15.6 Serial Interface (SCI3) Timing of H8/3855, H8/3856, and H8/3857
V
= 3.0 V to 5.5 V, AV
CC
unless otherwise specified.
Item
Input clock
Asynchronous
cycle
Synchronous
Input clock pulse width
Transmit data delay time
(synchronous mode)
Receive data setup time
(synchronous mode)
Receive data hold time
(synchronous mode)
Note:
*
The guaranteed temperature as an electrical characteristic for die type products is
75°C.
Rev.3.00 Jul. 19, 2007 page 414 of 532
REJ09B0397-0300
= 3.0 V to 5.5 V, V
CC
Symbol Test Conditions
t
Scyc
t
SCKW
= 4.0 V to 5.5 V ⎯
t
V
TXD
CC
= 4.0 V to 5.5 V 200.0 ⎯
t
V
RXS
CC
= 4.0 V to 5.5 V 200.0 ⎯
t
V
RXH
CC
= AV
= 0.0 V, T
SS
SS
a
Values
Min
Typ
⎯
4
⎯
6
⎯
0.4
⎯
⎯
⎯
400.0 ⎯
400.0 ⎯
= –20°C to +75°C*,
Reference
Max
Unit
Figure
⎯
t
Figure 15.7
cyc
⎯
0.6
t
Figure 15.7
Scyc
1
t
Figure 15.8
cyc
1
⎯
ns
Figure 15.8
⎯
⎯
ns
Figure 15.8
⎯
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