JPS52122443A - Input and output control unit - Google Patents

Input and output control unit

Info

Publication number
JPS52122443A
JPS52122443A JP3906076A JP3906076A JPS52122443A JP S52122443 A JPS52122443 A JP S52122443A JP 3906076 A JP3906076 A JP 3906076A JP 3906076 A JP3906076 A JP 3906076A JP S52122443 A JPS52122443 A JP S52122443A
Authority
JP
Japan
Prior art keywords
control unit
input
output control
cpu
interruption
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
JP3906076A
Other languages
Japanese (ja)
Inventor
Yoshimasa Yamada
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 JP3906076A priority Critical patent/JPS52122443A/en
Publication of JPS52122443A publication Critical patent/JPS52122443A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To promote the processing capacity, by means of scanning I/O unit separately from CPU owing to I/O control unit, thereby performing the interruption for CPU when detecting its operation possible.
COPYRIGHT: (C)1977,JPO&Japio
JP3906076A 1976-04-07 1976-04-07 Input and output control unit Pending JPS52122443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3906076A JPS52122443A (en) 1976-04-07 1976-04-07 Input and output control unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3906076A JPS52122443A (en) 1976-04-07 1976-04-07 Input and output control unit

Publications (1)

Publication Number Publication Date
JPS52122443A true JPS52122443A (en) 1977-10-14

Family

ID=12542579

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3906076A Pending JPS52122443A (en) 1976-04-07 1976-04-07 Input and output control unit

Country Status (1)

Country Link
JP (1) JPS52122443A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004088522A1 (en) * 2003-03-31 2004-10-14 Fujitsu Limited Bus bridge device, bus bridge method, and i/o control device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004088522A1 (en) * 2003-03-31 2004-10-14 Fujitsu Limited Bus bridge device, bus bridge method, and i/o control device
US7415555B2 (en) 2003-03-31 2008-08-19 Fujitsu Limited Bus bridge device

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