Figure 17.8 Sample Transmission Processing Flowchart - Hitachi SH7751 Hardware Manual

Start
Initialization
Start of transmission
FER/ERS = 0?
No
TEND = 1?
Write transmit data to SCTDR1,
and clear TDRE flag
in SCSSR1 to 0
No
All data transmitted?
FER/ERS = 0?
No
TEND = 1?
Clear TE bit in SCSCR1 to 0
End of transmission

Figure 17.8 Sample Transmission Processing Flowchart

1
2
No
Yes
3
Yes
4
5
Yes
No
Yes
Yes
6
Error handling
Error handling
Rev. 3.0, 04/02, page 697 of 1064