JPS6477245A - Destination designation discriminating device - Google Patents

Destination designation discriminating device

Info

Publication number
JPS6477245A
JPS6477245A JP23265687A JP23265687A JPS6477245A JP S6477245 A JPS6477245 A JP S6477245A JP 23265687 A JP23265687 A JP 23265687A JP 23265687 A JP23265687 A JP 23265687A JP S6477245 A JPS6477245 A JP S6477245A
Authority
JP
Japan
Prior art keywords
signal
select
slave
equipment
value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP23265687A
Other languages
Japanese (ja)
Inventor
Yoji Komatsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP23265687A priority Critical patent/JPS6477245A/en
Publication of JPS6477245A publication Critical patent/JPS6477245A/en
Pending legal-status Critical Current

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  • Small-Scale Networks (AREA)

Abstract

PURPOSE:To simplify the extending and transfer work of a slave equipment by discriminating selection/non-selection of the slave equipment in accordance with the voltage of a point connected to a select signal line and latching the select range with a strobe signal to eliminate a need of setting of select information in the slave equipment. CONSTITUTION:When a master equipment 1 selects one of slave equipments 2a-2d corresponding to a value (X1-X2) (X1<=X2) of the select signal on a select signal line 12, the master equipment 1 sets a value X=X2+1 to the output state and makes the strobe signal on a strobe signal line 4 significant thereafter. Then, a rise signal latch circuit 19 of each of slave equipments 2a-2d whose device numbers are X2+1 or larger outputs '1' and resets a fall signal latch circuit 20 with reset, and the master equipment 1 sets the value X=X1 to the output state and makes the strobe signal insignificant thereafter. Thus, circuits 20 of slave equipments 2 whose values are X1 or larger are selected by outputting a significant signal, namely, making a select validating signal 11 significant unless circuits 19 output '1'.
JP23265687A 1987-09-18 1987-09-18 Destination designation discriminating device Pending JPS6477245A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23265687A JPS6477245A (en) 1987-09-18 1987-09-18 Destination designation discriminating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23265687A JPS6477245A (en) 1987-09-18 1987-09-18 Destination designation discriminating device

Publications (1)

Publication Number Publication Date
JPS6477245A true JPS6477245A (en) 1989-03-23

Family

ID=16942723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23265687A Pending JPS6477245A (en) 1987-09-18 1987-09-18 Destination designation discriminating device

Country Status (1)

Country Link
JP (1) JPS6477245A (en)

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