HD64F3048VTF8 Datasheet, PDF (560/903 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip

Section 14 Smart Card Interface
Start
Initialize
Start transmitting
No
FER/ERS = 0 ?
Yes
No
TEND = 1 ?
Yes
Write data in TDR and clear
TDRE flag to 0 in SSR
Error handling
No
All data
transmitted ?
Yes
No
FER/ERS = 0 ?
Yes
No
TEND = 1 ?
Yes
Clear TE bit to 0
Error handling
End
Figure 14.4 Transmit Flowchart (Example)
Rev. 3.00 Sep 27, 2006 page 532 of 872
REJ09B0325-0300