Hitachi H8/3022 Hardware Manual page 411

H8/3022 series hitachi single-chip microcomputer
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No
No
No
400
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
Figure 12-4 Example of Transmission Processing Flow
No
Error processing
No
Error processing

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