Hitachi SH7750 Hardware Manual page 771

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. 6.0, 07/02, page 721 of 986