PD72042B_15 Datasheet, PDF (71/92 Pages) Renesas Technology Corp – LSI DEVICE FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL

6.2 MAIN ROUTINE
Fig. 6-1 shows the processing flow of the main routine.
Fig. 6-1 Processing Flow of Main Routine
Start
µPD72042B
µPD72042B
initial setting routine
Communication flag
initialization routine
; See Section 6.4.1.
; See Section 6.4.2.
RAWF?
0
TRRQ?
0
RERQ?
0
MCRQ^Note?
0
SDRQ^Note?
0
CORQ^Note?
0
1
; Initialize if program crash is detected.
1
TRRQ 0
Transmission
processing routine
1
RERQ 0
Reception
processing routine
1
Master communi-
MCRQ 0 cation processing
routine
1
Slave data trans-
SDRQ 0
mission processing
routine
1
Command
CORQ 0 _{processing routine}
; See Section 6.4.6.
; See Section 6.4.7.
; See Section 6.4.4.
; See Section 6.4.5.
; See Section 6.4.3.
Application processing routine
Note Communication flags MCRQ, SDRQ, and CORQ are set to 1 by the application processing routine.
Data Sheet S13990EJ3V0DS
69