Datasheet

Section 15 Serial Communication Interface (SCI and IrDA)
Rev. 3.00 Mar 21, 2006 page 409 of 788
REJ09B0300-0300
TE bit
SCK
output pin
TxD
output pin
Port
input/output
Port input/output
Port
input/output
Start Stop High outputHigh output
Transmission start Transmission end
Transition to
software standby
mode
Software standby
mode cancelled
SCI TxD output
Port Port
SCI
TxD output
Figure 15.25 Pin States during Transmission in Asynchronous Mode (Internal Clock)
TE bit
SCK
output pin
TxD
output pin
Port input/output
Port
input/output
Port
input/output
High output
*
Marking output
Transmission start Transmission end
Transition to
software standby
mode
Software standby
mode cancelled
SCI TxD output
Port Port
SCI
TxD output
Last TxD bit retained
Note: * Initialized in software standby mode
Figure 15.26 Pin States during Transmission in Clocked Synchronous Mode
(Internal Clock)