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JPS5688524A - Channel controller - Google Patents

Channel controller

Info

Publication number
JPS5688524A
JPS5688524A JP16603879A JP16603879A JPS5688524A JP S5688524 A JPS5688524 A JP S5688524A JP 16603879 A JP16603879 A JP 16603879A JP 16603879 A JP16603879 A JP 16603879A JP S5688524 A JPS5688524 A JP S5688524A
Authority
JP
Japan
Prior art keywords
memory
controller
transfer information
channel
processing speed
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
JP16603879A
Other languages
Japanese (ja)
Inventor
Nagayuki Watanabe
Takumi Saito
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 JP16603879A priority Critical patent/JPS5688524A/en
Publication of JPS5688524A publication Critical patent/JPS5688524A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To increase the processing speed of a channel CH controller, by equipping the CH contrller with a transfer information storage memory, pointer register stored with addresses of the memory and a register stored with the in-use state of the memory.
CONSTITUTION: Channel CH controller 3 is provided with memory M1 capable of storing pieces of transfer information as many as devices of I/Os operation simultaneously, pointer register group M2 that makes the pieces of transfer information in memory M1 correspond to respective I/Os, and register RG that stores the maximum address of the area of memory M1. Consequently, since the memory capacity of memory M1 has no relation to the maximum number of I/Os that can be connected to device 3, only the small memory capacity is required and this controller is superior to the usual one in terms of manufacturing cost and reliability. In addition, since only data transfer is performed between main starage device 1 and controller 3, the processing speed of controller 3 is increased and the processing performance of the computer is improved on the whole.
COPYRIGHT: (C)1981,JPO&Japio
JP16603879A 1979-12-20 1979-12-20 Channel controller Pending JPS5688524A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16603879A JPS5688524A (en) 1979-12-20 1979-12-20 Channel controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16603879A JPS5688524A (en) 1979-12-20 1979-12-20 Channel controller

Publications (1)

Publication Number Publication Date
JPS5688524A true JPS5688524A (en) 1981-07-18

Family

ID=15823790

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16603879A Pending JPS5688524A (en) 1979-12-20 1979-12-20 Channel controller

Country Status (1)

Country Link
JP (1) JPS5688524A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108951A (en) * 1983-11-17 1985-06-14 Fujitsu Ltd Data chaining system
JPS60142455A (en) * 1983-12-29 1985-07-27 Fujitsu Ltd Index processing system of routine table
JPS60150152A (en) * 1984-01-17 1985-08-07 Fujitsu Ltd Channel control system
JPH01125644A (en) * 1987-11-11 1989-05-18 Hitachi Ltd Data transfer equipment
JPH01312654A (en) * 1988-06-13 1989-12-18 Fujitsu Ltd Dynamic allocating system for sub channel area

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108951A (en) * 1983-11-17 1985-06-14 Fujitsu Ltd Data chaining system
JPH0122939B2 (en) * 1983-11-17 1989-04-28 Fujitsu Ltd
JPS60142455A (en) * 1983-12-29 1985-07-27 Fujitsu Ltd Index processing system of routine table
JPS60150152A (en) * 1984-01-17 1985-08-07 Fujitsu Ltd Channel control system
JPH01125644A (en) * 1987-11-11 1989-05-18 Hitachi Ltd Data transfer equipment
JPH01312654A (en) * 1988-06-13 1989-12-18 Fujitsu Ltd Dynamic allocating system for sub channel area

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