Datasheet

Section 22 Electrical Characteristics
Rev. 4.00 Mar. 15, 2006 Page 472 of 556
REJ09B0026-0400
Table 22.15 Serial Communication Interface (SCI) Timing
V
CC
= 2.7 to 5.5 V, V
SS
= 0.0 V, T
a
= –20 to +75°C (regular specifications) or T
a
= –40 to +85°C
(wide-range specifications), unless otherwise indicated.
Values
Item Symbol
Applicable
Pins
Test Condition Min. Typ. Max. Unit
Reference
Figure
Asynchro-
nous
t
scyc
SCK3,
SCK3_2*
4 — — t
cyc
Figure 22.4
Input
clock
cycle
Clocked
synchronous
6 — —
Input clock pulse
width
t
SCKW
SCK3,
SCK3_2*
0.4 — 0.6 t
scyc
t
TXD
V
CC
= 4.0 to 5.5 V — — 1 t
cyc
Figure 22.5
Transmit data delay
time (clocked
synchronous)
TXD,
TXD_2*
— — 1
t
RXS
V
CC
= 4.0 to 5.5 V 50.0 — — ns
Receive data setup
time (clocked
synchronous)
RXD,
RXD_2*
100.0 — —
t
RXH
V
CC
= 4.0 to 5.5 V 50.0 — — ns
Receive data hold
time (clocked
synchronous)
RXD,
RXD_2*
100.0 — —
Note: * The H8/36037 Group does not have these pins.