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No
No
No
Rev. 5.00, 12/03, page 506 of 1088
Start
Initialization
Start of 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 13-4 Sample Transmission Flowchart
No
Error handling
No
Error handling
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