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| PD72042B_15 Datasheet, PDF (82/92 Pages) Renesas Technology Corp – LSI DEVICE FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL | |||
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µPD72042B
6.4.6 Transmission Processing Routine
This routine is executed when TRRQ has been set by the interrupt routine during the execution of master
transmission processing routine 1 (see 6.4.4 (1)), master transmission processing routine 2 (see 6.4.4 (2)), or the
slave data transmission processing routine (see 6.4.5).
Fig. 6-11 shows the flow of the transmission processing routine.
Fig. 6-11 Flow of Transmission Processing Routine
Start
TRCF?
ÃÃ00
ÃÃ10 or ÃÃ11
I > Number of bytes
Y
in tranmission data
N
Read STR
1
TFL?
0
IâI+1
TBF â Transmission data (I-th byte)
; Transmission terminated
normally or suspended?
TRRQ â 0
MTRQF (STRQF) â 0
End 2Note 2
End 1Note 1
Notes 1. Indicates that transmission of the communication frame has ended (terminated normally or suspended).
2. Indicates that setting of the transmission data has been completed with the current TBF.
80
Data Sheet S13990EJ3V0DS
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