參數(shù)資料
型號: UPD72042BGT
廠商: NEC Corp.
英文描述: LSI DEVICES FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL
中文描述: LSI器件間設備BusTM(IEBusTM)協(xié)議控制
文件頁數(shù): 71/92頁
文件大?。?/td> 541K
代理商: UPD72042BGT
μ
PD72042A, 72042B
71
DATA SHEET S13990EJ2V0DS00
6.2 MAIN ROUTINE
Fig. 6-1 shows the processing flow of the main routine.
Fig. 6-1 Processing Flow of Main Routine
Start
; See
Section 6.4.1
.
initial setting routine
Communication flag
initialization routine
; See
Section 6.4.2
.
; Initialize if program crash is detected.
Transmission
processing routine
Reception
processing routine
Master communi-
cation processing
routine
Slave data trans-
mission processing
routine
Command
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
RAWF
TRRQ
0
0
RERQ
0
MCRQ
Note
0
SDRQ
Note
0
CORQ
Note
0
1
1
1
1
1
1
TRRQ 0
RERQ 0
MCRQ 0
SDRQ 0
CORQ 0
μ
PD72042A or
μ
PD72042B
Note
Communication flags MCRQ, SDRQ, and CORQ are set to 1 by the application processing routine.
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