3069RF-ZTAT Datasheet, PDF (553/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

Start
Initialization
Start transmitting
No
ERS = 0?
Yes
No
TEND = 1?
Yes
Write transmit data in TDR,
and clear TDRE flag
to 0 in SSR
Error handling
No
All data transmitted?
Yes
No
ERS = 0?
Yes
No
TEND = 1?
Yes
Clear TE bit to 0
Error handling
End
Figure 14.5 Sample Transmission Processing Flowchart
Rev. 5.0, 09/04, page 531 of 978