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Rev. 1.0, 07/01, page 296 of 372
Table 20-5 Serial Communication Interface (SCI) Timing
V
CC
= 3.0 to 5.5 V, V
SS
= 0.0 V, T
a
= –20 to +75°C, unless otherwise indicated.
A
pp
licable
Values
Reference
Item Symbol Pins Test Condition Min Typ Max Unit Figure
Input
clock
Asynchro-
nous
t
Scyc
SCK3 4 — — t
cyc
Figure 20-5
cycle
Synchro-
nous
6——
Input clock pulse
width
t
SCKW
SCK3 0.4 — 0.6 t
Scyc
Figure 20-5
Transmit data delay t
TXD
TXD V
CC
= 4.0 V to 5.5 V — — 1 t
cyc
Figure 20-6
time (clocked
synchronous)
——1
Receive data setup t
RXS
RXD V
CC
= 4.0 V to 5.5 V 62.5 — — ns Figure 20-6
time (clocked
synchronous)
100.
0
——
Receive data hold t
RXH
RXD V
CC
= 4.0 V to 5.5 V 62.5 — — ns Figure 20-6
time (clocked
synchronous)
100.
0
——