Renesas Asynchronous SH7145F Bedienungsanleitung PDF herunterladen (Seite 13)

SH7145F

Asynchronous Serial Data Transmission/Reception

REJ06B0357-0100O/Rev.1.00 March 2004 Page 13 of 17

(3) Data Receive Routine

Yes

Read receive data from RDR_1 and

store it in on-chip RAM

Transmit receive data without

modification

Clear RDRF flag in SSR_1 to 0

Wait until

RDR_1 finishes receiving

data

RTE

rcv_sci()

(4) Data Transfer Routine

Yes

Write transmit data to TDR_1

Clear TDRE bit in SSR_1 to 0

Wait until

possible to write to

TDR_1

RTE

trans_sci()

1 2 ... 8 9 10 11 12 13 14 15 16 17

Keine Kommentare

Renesas Asynchronous SH7145F Bedienungsanleitung Seite 13