Hitachi H8S/2646 Hardware Manual page 552

Hitachi 16-bit single-chip microcomputer h8s/2646 series
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No
No
No
Figure 14-4 Example of Transmission Processing Flow
520
Start
Initialization
Start transmission
ERS=0?
Yes
TEND=1?
Yes
Write data to TDR,
and clear TDRE flag
in SSR to 0
All data transmitted?
Yes
ERS=0?
Yes
TEND=1?
Yes
Clear TE bit to 0
End
No
Error processing
No
Error processing

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