374
32
t
scyc
t
TXD
t
RXS
t
RXH
V
OH
V or V
IH OH
V or V
IL OL
*
*
*
V
OL
OH
OL
SCK
31
SCK
TXD
31
TXD
32
(transmit data)
RXD
31
RXD
32
(receive data)
Note:
*
Output timing reference levels
Output high
Output low
Load conditions are shown in figure 15-8.
V = 1/2Vcc + 0.2 V
V = 0.8 V
Figure 15.6 SCI3 Synchronous Mode Input/Output Timing