HD6432646 Hitachi, HD6432646 Datasheet - Page 528

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

TE bit
494
TE bit
SCK output pin
TxD output pin
SCK output pin
TxD output pin
Note: * Initialized by software standby.
Port input/output
Port input/output
Figure 13-24 Asynchronous Transmission Using Internal Clock
Figure 13-25 Synchronous Transmission Using Internal Clock
Port
Port
Marking output
High output
Start of transmission
Start of transmission
Start
SCI TxD output
SCI TxD output
transmission
End of
transmission
Last TxD bit held
End of
Stop
to software
Transition
to software
standby
Transition
standby
Port input/output
Port input/output
Port input/output
Port input/output
Port
Port
Exit from
software
standby
Exit from
software
standby
High output*
High output
SCI TxD
SCI TxD
output
output