HD64F2638F20J Datasheet, PDF (584/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 14 Smart Card Interface
H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
Start
Initialization
Start transmission
No
ERS = 0?
Yes
No
TEND = 1?
Yes
Write data to TDR,
and clear TDRE flag
in SSR to 0
Error processing
No
All data transmitted?
Yes
No
ERS = 0?
Yes
No
TEND = 1?
Yes
Clear TE bit to 0
Error processing
End
Figure 14-4 Example of Transmission Processing Flow
Page 534 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010