Datasheet
Section 23 Electrical Characteristics 
Rev. 3.00 Mar. 15, 2006 Page 436 of 526 
REJ09B0060-0300   
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, unless otherwise indicated. 
Applicable 
 Values  
Reference
Item  Symbol Pins  Test Condition Min. Typ. Max. Unit Figure 
Asynchro-
nous 
t
Scyc
 SCK3    4    t
cyc
 Figure 
23.5 
Input 
clockcycle 
Clocked 
synchro-
nous 
    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
 Transmit data delay 
time (clocked 
synchronous) 
       1   
Figure 
23.6 
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      










