SH7709S Datasheet, PDF (511/807 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series

Start of transmission
Read TDRE bit in SCSSR
(1)
No
TDRE = 1?
Yes
Write transmit data to SCTDR
and set MPBT bit in SCSSR
Clear TDRE bit to 0
Transmission ended?
Yes
Read TEND bit in SCSSR
No ₍₂₎
TEND = 1?
No
Yes
No
Break output?
Yes (3)
Set SCPDR and SCPCR
Clear TE bit SCSCR to 0
End of transmission
Note: Numbers in parentheses refer to steps in the preceding procedure description.
Figure 14.13 Sample Flowchart for Transmitting Multiprocessor Serial Data
Rev. 5.00, 09/03, page 467 of 760