Datasheet

Section 23 Electrical Characteristics
Rev. 1.50 Sep. 18, 2007 Page 512 of 584
REJ09B0240-0150
Table 23.5 Serial Communication Interface (SCI) Timing
V
CC
= 3.0 to 5.5 V, V
SS
= 0.0 V, T
a
= –20 to +75°C/–40 to +85°C, unless otherwise indicated.
Values
Item Symbol
Applicable
Pins
Test Condition Min. Typ. Max. Unit
Reference
Figure
Asynchro-
nous
4   t
cyc
Figure 23.5 Input
clock
cycle
Clocked
synchro-
nous
t
Scyc
SCK3
6  
Input clock pulse
width
t
SCKW
SCK3 0.4  0.6 t
Scyc
t
TXD
TXD V
CC
= 4.0 to 5.5 V   1 t
cyc
Figure 23.6 Transmit data delay
time (clocked
synchronous)
  1
t
RXS
RXD V
CC
= 4.0 to 5.5 V 50.0   ns Receive data setup
time (clocked
synchronous)
100.0  
t
RXH
RXD V
CC
= 4.0 to 5.5 V 50.0   ns Receive data hold
time (clocked
synchronous)
100.0  