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JPS54111240A - Address discrimination circuit - Google Patents

Address discrimination circuit

Info

Publication number
JPS54111240A
JPS54111240A JP1889378A JP1889378A JPS54111240A JP S54111240 A JPS54111240 A JP S54111240A JP 1889378 A JP1889378 A JP 1889378A JP 1889378 A JP1889378 A JP 1889378A JP S54111240 A JPS54111240 A JP S54111240A
Authority
JP
Japan
Prior art keywords
address
control part
slave control
circuit
subtraction
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
JP1889378A
Other languages
Japanese (ja)
Inventor
Masanori Masui
Nobuitsu Takeuchi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP1889378A priority Critical patent/JPS54111240A/en
Publication of JPS54111240A publication Critical patent/JPS54111240A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To make it possible to extend easily slave control parts without providing address discrimination function parts peculiar to respective slave control parts, by giving a constitution where a main contol part controls plural same-constitution slave contol parts which are equipped with a subtraction circuit and an address detector circuit respectively.
CONSTITUTION: When address information is sent from main control part 101, address information is sent to subtraction circuit 201 of slave control part 1021 through address line AL1 and is subjected to -1 subtraction. This address is sent to address coincidence detector circuit 202 and is compared with a comparison address. When address values do not agree with each other, non-coincidence signal-C is outputted to open gate circuit 205 and is sent to subtraction circuit 201 of succeeding slave control part 1022. Here, the address is subjected to -1 subtraction and is compared in address coincidence detector circuit 202. Here, when the address agrees with a comparison address, coincidence signal C is outputted. This signal is taken into the internal through gate circuit 203, and information transmission to succeeding slave control part 1023 is inhibited. As a result, slave control part 1022 assigned by main control part 101 takes in information and performs a prescribed processing.
COPYRIGHT: (C)1979,JPO&Japio
JP1889378A 1978-02-21 1978-02-21 Address discrimination circuit Pending JPS54111240A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1889378A JPS54111240A (en) 1978-02-21 1978-02-21 Address discrimination circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1889378A JPS54111240A (en) 1978-02-21 1978-02-21 Address discrimination circuit

Publications (1)

Publication Number Publication Date
JPS54111240A true JPS54111240A (en) 1979-08-31

Family

ID=11984241

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1889378A Pending JPS54111240A (en) 1978-02-21 1978-02-21 Address discrimination circuit

Country Status (1)

Country Link
JP (1) JPS54111240A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6069755A (en) * 1983-09-27 1985-04-20 Mitsubishi Electric Corp Address setting method
JPS62103747A (en) * 1985-10-30 1987-05-14 Asahi Optical Co Ltd Selecting method for terminal equipment
JP2014134866A (en) * 2013-01-08 2014-07-24 New Japan Radio Co Ltd Communication system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6069755A (en) * 1983-09-27 1985-04-20 Mitsubishi Electric Corp Address setting method
JPS62103747A (en) * 1985-10-30 1987-05-14 Asahi Optical Co Ltd Selecting method for terminal equipment
JP2014134866A (en) * 2013-01-08 2014-07-24 New Japan Radio Co Ltd Communication system

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