Renesas Asynchronous SH7145F User Manual download pdf (Page 12)

SH7145F

Synchronous Serial Data Transmission

REJ06B0352-0100O/Rev.1.00 March 2004 Page 12 of 16

(3) Data Transmit Routine

No

Yes

Write transmit data to TDR_0

Clear TDRE flag in SSR_0 to 0

Wait until

possible to write to

TDR_0

RTE

trans_sci()

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