JPS55105738A - Terminal control unit - Google Patents

Terminal control unit

Info

Publication number
JPS55105738A
JPS55105738A JP1335979A JP1335979A JPS55105738A JP S55105738 A JPS55105738 A JP S55105738A JP 1335979 A JP1335979 A JP 1335979A JP 1335979 A JP1335979 A JP 1335979A JP S55105738 A JPS55105738 A JP S55105738A
Authority
JP
Japan
Prior art keywords
rom
program
data giving
communication line
reception
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.)
Granted
Application number
JP1335979A
Other languages
Japanese (ja)
Other versions
JPS6148747B2 (en
Inventor
Hideo Watanabe
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1335979A priority Critical patent/JPS55105738A/en
Publication of JPS55105738A publication Critical patent/JPS55105738A/en
Publication of JPS6148747B2 publication Critical patent/JPS6148747B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Communication Control (AREA)
  • Computer And Data Communications (AREA)

Abstract

PURPOSE: To suitably perform the data processing, by performing the start of control data giving and reception program from the central processing section with the interruption detection and performing the start of message data giving and reception program from the communication line with the detection of scan, in the terminal control unit of microprogram control system.
CONSTITUTION: The program processing the control data giving and reception request from the microprocessor is stored in ROM(A)21 and the program processing the message data giving and reception request from the communication line is stored in ROM(B)18, and the both ROM are addressed with the same manner. At the application of power input, the selection circuit 15 activates ROM(B)18 with the set signal 14 and the message data from the communication line 112 is inputted. When the control data giving and reception request is present from the microprocessor, the selection circuit 15 selects the ROM(A)21 with the program counter selection signal 19.
COPYRIGHT: (C)1980,JPO&Japio
JP1335979A 1979-02-09 1979-02-09 Terminal control unit Granted JPS55105738A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1335979A JPS55105738A (en) 1979-02-09 1979-02-09 Terminal control unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1335979A JPS55105738A (en) 1979-02-09 1979-02-09 Terminal control unit

Publications (2)

Publication Number Publication Date
JPS55105738A true JPS55105738A (en) 1980-08-13
JPS6148747B2 JPS6148747B2 (en) 1986-10-25

Family

ID=11830895

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1335979A Granted JPS55105738A (en) 1979-02-09 1979-02-09 Terminal control unit

Country Status (1)

Country Link
JP (1) JPS55105738A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57212850A (en) * 1981-06-24 1982-12-27 Mitsubishi Electric Corp Data transmitter
JPS6019264A (en) * 1983-07-12 1985-01-31 Sanyo Electric Co Ltd Information recorder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57212850A (en) * 1981-06-24 1982-12-27 Mitsubishi Electric Corp Data transmitter
JPS6019264A (en) * 1983-07-12 1985-01-31 Sanyo Electric Co Ltd Information recorder
JPH0315776B2 (en) * 1983-07-12 1991-03-01 Sanyo Electric Co

Also Published As

Publication number Publication date
JPS6148747B2 (en) 1986-10-25

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