371
Table 15-4 Serial Interface (SCI3-1, SCI3-2) Timing
V
CC
= 1.8 V to 5.5 V, AV
CC
= 1.8 V to 5.5 V, V
SS
= AV
SS
= 0.0 V, T
a
= –20°C to +75°C
(including subactive mode) unless otherwise indicated.
Values
Reference
Item
Symbol
Min
Typ
Max
Unit
Test Conditions
Figure
Input clock
Asynchronous
t
scyc
4
—
—
t
cyc
Figure 15-5
cycle
Synchronous
6
—
—
or t
subcyc
Input clock pulse width
t
SCKW
0.4
—
0.6
t
scyc
Figure 15-5
Transmit data delay time
t
TXD
—
—
1
t
cyc
V
CC
= 4.0 V to 5.5 V Figure 15-6
(synchronous)
—
—
1
or t
subcyc
Except the above
Receive data setup time
t
RXS
200.0
—
—
ns
V
CC
= 4.0 V to 5.5 V Figure 15-6
*
1
(synchronous)
400.0
—
—
Except the above
Figure 15-6
Receive data hold time
t
RXH
200.0
—
—
ns
V
CC
= 4.0 V to 5.5 V Figure 15-6
*
1
(synchronous)
400.0
—
—
Except the above
Figure 15-6
Note:
1. When internal step-down circuit is not used.