Datasheet

Section 16 Serial Communication Interface (SCI, IrDA)
(The H8S/2695 is not equipped with an IrDA function)
Page 798 of 1434 R01UH0166EJ0600 Rev. 6.00
Mar 02, 2011
H8S/2633 Group, H8S/2633 F-ZTAT
TM
,
H8S/2633R F-ZTAT
TM
, H8S/2695
SCK output pin
TE bit
TxD output pin
Port input/output High outputPort input/output High output Start Stop
Start of transmission
End of
transmission
Port input/output
SCI TxD output
Port
SCI TxD
output
Port
Transition
to software
standby
Exit from
software
standby
Figure 16.26 Asynchronous Transmission Using Internal Clock
Port input/output
Last TxD bit held
High output*Port input/output Marking output
Port input/output
SCI TxD output PortPort
Note: * Initialized by software standby.
SCK output pin
TE bit
TxD output pin
SCI TxD
output
Start of transmission
End of
transmission
Transition
to software
standby
Exit from
software
standby
Figure 16.27 Synchronous Transmission Using Internal Clock