Datasheet

Section 21 Electrical Characteristics
Rev. 2.00 Sep. 23, 2005 Page 371 of 444
REJ09B0068-0200
Table 21.5 Serial Communication Interface (SCI) Timing
Vcc = 3.0 to 5.5 V, Vss = 0.0 V, Ta = –20 to +75°C, unless otherwise indicated.
Values
Item Symbol
Applicable
Pins
Test Condition Min. Typ. Max. Unit
Reference
Figure
Asynchro-
nous
t
Scyc
SCK3 4 — — t
cyc
Figure 21.5,
Figure 21.6
Input
clock
cycle
Clocked
synchro-
nous
6 — —
Input clock pulse
width
t
SCKW
SCK3 0.4 — 0.6 t
Scyc
t
TXD
TXD Vcc = 4.0 to 5.5 V — — 1 t
cyc
Figure 21.6
Transmit data delay
time (clocked
synchronous)
— — 1
t
RXS
RXD Vcc = 4.0 to 5.5 V 50.0 — — ns
Receive data setup
time (clocked
synchronous)
100.0 — —
t
RXH
RXD Vcc = 4.0 to 5.5 V 50.0 — — ns
Receive data hold
time (clocked
synchronous)
100.0 — —