Datasheet

Section 15 Serial Communication Interface (SCI, IrDA)
Rev.7.00 Mar. 18, 2009 page 755 of 1136
REJ09B0109-0700
Initialization
No
Yes
Clear TE bit to 0
Start transmission
Start
No
No
No
Yes
Yes
Yes
Yes
No
End
Write data to TDR,
and clear TDRE flag
in SSR to 0
Error processing
Error processing
TEND = 1?
All data transmitted ?
TEND = 1?
ERS = 0?
ERS = 0?
Figure 15.28 Example of Transmission Processing Flow
15.7.7 Serial Data Reception (Except for Block Transfer Mode)
Data reception in Smart Card interface mode uses the same operation procedure as for normal
serial communication interface mode. Figure 15.29 illustrates the retransfer operation when the
SCI is in receive mode.