Renesas Asynchronous SH7145F Manuale Utente Scaricare il pdf (Pagina 13)

SH7145F

Multiprocessor Communications

REJ06B0358-0100O/Rev.1.00 March 2004 Page 13 of 17

(3) Data Receive Routine

No

Yes

Write transmit data to TDR_0

Clear TDRE bit in SSR_0 to 0

Set MPBT bit in SSR_0 to 1

Wait until

possible to write to

TDR_0

RTE

trans_id()

(4) Data Transfer Routine

No

Yes

Write transmit data to TDR_0

Clear TDRE bit in SSR_0 to 0

Set MPBT bit in SSR_0 to 0

Wait until

possible to write to

TDR_0

RTE

trans_data()

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