SH7709S Datasheet, PDF (548/807 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series

Start
Initialize
(1)
Start of 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 of transmission
Note: Numbers in parentheses refer to steps in the preceding procedure description.
Figure 15.6 Transmission Flowchart
Rev. 5.00, 09/03, page 504 of 760