Hitachi SH7032 - Page 422

387
TDRE = 1?
Write transmit data in TDR 
and set MPBT in SSR
All data transmitted?
Yes
TEND = 1?
Read TEND bit in SSR
Output break signal?
Yes
Set DR = 0
Clear TE bit to 0 in SCR; 
select theTxD pin function as
an output port with the PFC
End
Yes
Read TDRE bit in SSR
Clear TDRE bit to 0
Initialize
No
No
Yes
No
No
(1)
(2)
(3)
(4)
Start transmitting
Figure 13.10 Sample Flowchart for Transmitting Multiprocessor Serial Data