HD64F7045F28V Datasheet, PDF (555/925 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7040 Series

Initialization
1
Start transmission
Read TDRE bit in SSR
2
No
TDRE = 1?
Yes
Write transmit data in TDR
and set MPBT in SSR
Clear TDRE bit to 0
All data transmitted?
Yes
Read TEND bit in SSR
No ₃
TEND = 1?
No
Yes
No
Output break signal?
Yes
Set DR = 0
4
Clear TE bit in SCR to 0;
select theTxD pin function as
an output port with the PFC
End transmission
Figure 14.11 Sample Flowchart for Transmitting Multiprocessor Serial Data
515