Hitachi SH7032 Hardware Manual page 422

Figure 13.10 Sample Flowchart for Transmitting Multiprocessor Serial Data
Initialize
Start transmitting
Read TDRE bit in SSR
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
TEND = 1?
Yes
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
(1)
(2)
No
(3)
No
No
No
(4)
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