PD72042B_15 Datasheet, PDF (80/92 Pages) Renesas Technology Corp – LSI DEVICE FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL

µPD72042B
Fig. 6-9 Flow of Slave Data Transmission Processing Routine 1
Start
Read STR
1
TEP?
0
Read FLG
1
CEX?
0
CMR ← 00010000
; Waiting for termination of previous command?
; Set clear command for transmission buffer.
Read FLG
1
CEX?
0
TBF ← Number of bytes in transmission data
I←1
; Waiting for termination of processing of
transmission buffer clear command?
; Initialize I.
I > Number of bytes in
Y
tranmission data
N
Read STR
1
TFL?
0
I←I+1
; Setting of tranmission data in TBF
completed?
CMR ← 00001011
; Set slave data transmission
request command.
TBF ← Transmission data (I-th byte)
1
Read FLG
CEX?
0
STRQF ← 1
End
78
Data Sheet S13990EJ3V0DS