Datasheet

Section 15 Serial Communication Interface (SCI, IrDA)
Rev. 3.00 Mar 17, 2006 page 712 of 926
REJ09B0283-0300
Transfer direction
Bit 0
Serial data
Serial clock
1 frame
TDRE
TEND
Bit 1 Bit 7 Bit 0 Bit 1 Bit 7Bit 6
Data written to TDR
and TDRE flag
cleared to 0 in TXI
interrupt handling routine
TEI interrupt
request generated
TXI interrupt
request generated
TXI interrupt
request generated
Figure 15.16 Sample SCI Transmission Operation in Clocked Synchronous Mode