Figure 12.28 Sample Transmission Flowchart - Renesas H8SX/1500 Series Hardware Manual

Section 12 Serial Communication Interface (SCI)
Rev. 3.00 Mar. 14, 2006 Page 436 of 804
REJ09B0104-0300
Start
Initialization
Start transmission
ERS = 0 ?
Yes
No
TEND = 1 ?
Yes
Write data to TDR and clear
TDRE flag in SSR to 0
No
All data transmitted?
Yes
ERS = 0 ?
Yes
No
TEND = 1 ?
Yes
Clear TE bit in SCR to 0
End

Figure 12.28 Sample Transmission Flowchart

No
Error processing
No
Error processing