SH7708 Datasheet, PDF (423/625 Pages) Renesas Technology Corp – SuperH™ RISC engine

Start
Initialize
(1)
Start transmission
FER/ERS = 0?
Yes
(2)
No
No
TEND = 1?
(3)
Yes
Write transmit data in SCTDR
and clear TDRE
(4)
flag in SCSSR to 0
No
All data transmitted?
(5)
Yes
No
FER/ERS = 0?
Yes
No
TEND = 1?
Yes
Clear TE bit in SCSCR to 0
(6)
Error handling
Error handling
End transmission
Figure 14.6 Transmission Flowchart
409