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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Priority claimed from US05/855,572external-prioritypatent/US4188665A/en
Priority claimed from US05/855,578external-prioritypatent/US4156796A/en
Application filed by International Business Machines CorpfiledCriticalInternational Business Machines Corp
Publication of FR2410399A1publicationCriticalpatent/FR2410399A1/en
Application grantedgrantedCritical
Publication of FR2410399B1publicationCriticalpatent/FR2410399B1/en
G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
G06F13/38—Information transfer, e.g. on bus
G06F13/40—Bus structure
G06F13/4004—Coupling between buses
G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
G—PHYSICS
G06—COMPUTING OR CALCULATING; COUNTING
G06F—ELECTRIC DIGITAL DATA PROCESSING
G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
G06F13/10—Program control for peripheral devices
G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
G06F13/124—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine
Programmable data processing communications multiplexer subsystem - uses periodically accessed scan table contg. addresses of locations in control store