Renesas F-ZTAT H8 Series Hardware Manual page 447

V
SCK
IH
3
V
IL
TXD
(transmit data)
RXD
(receive data)
Note: * Output timing reference levels
Output high
Output low
Load conditions are shown in figure 15.10.
Figure 15.8 SCI3 Input/Output Timing in Synchronous Mode
I
O
+
1 μF
V
SS
3.0 V
V
CC
Figure 15.9 Step-Up Circuit Characteristics Test Circuits
t
Scyc
or V *
OH
or V *
OL
t
TXD
V
OH
V *
OL
V = 2.0 V
OH
V = 0.8 V
OL
(2X step-up)
1 μF
+
15. Electrical Characteristics (H8/3857 Group)
*
t t
RXS RXH
I
O
1 μF
V
SS
3.0 V
V
CC
Rev.3.00 Jul. 19, 2007 page 421 of 532
(3X step-up)
1 μF 1 μF
+
2.0 V
+
+
REJ09B0397-0300