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| PD72042B_15 Datasheet, PDF (78/92 Pages) Renesas Technology Corp – LSI DEVICE FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL | |||
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µPD72042B
(3) Master reception processing routine
Fig. 6-8 shows the flow of the master reception processing routine.
Fig. 6-8 Flow of Master Reception Processing Routine
Start
SAR1 â Slave address (four low-order bits)
SAR2 â Slave address (eight high-order bits)
MCR â Broadcast bits, number of arbitrations,
and control bits (The MSB is 0.)
; Set data only when changing
SAR1, SAR2, or MCR.
Read FLG
1
CEX?
0
CMR â 00001000
Read FLG
1
CEX?
0
MRRQF â 1
End
; Waiting for termination of previous command?
; Set master communication request command.
; Waiting for termination of processing of
master communication request command?
76
Data Sheet S13990EJ3V0DS
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