Datasheet

Section 14 Serial Communication Interface (SCI, IrDA)
Rev.6.00 Mar. 18, 2009 Page 598 of 980
REJ09B0050-0600
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 14.16 Sample SCI Transmission Operation in Clocked Synchronous Mode