HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 405

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Note: * Output timing reference levels
SCK
TXD
(transmit data)
RXD
(receive data)
3
V
V
IH
IL
Output high:
Output low:
Load conditions are shown in figure 13.7.
SCK
or V
or V
Figure 13.6 Serial Interface 3 Synchronous Mode Input/Output Timing
OL
OH
3
*
*
t
TXD
V
V
OH
OL
= 0.8 V
= 2.0 V
V
V
OH
OL
Figure 13.5 SCK
*
*
t
Scyc
t
SCKW
3
Input Clock Timing
t
RXS
t
Scyc
t
RXH
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