Communications: electrical – Digital comparator systems
Patent
1975-12-22
1977-01-11
Nusbaum, Mark E.
Communications: electrical
Digital comparator systems
G06F 300, G06F 1516
Patent
active
040030334
ABSTRACT:
A device controller having a microprogrammed control store for storing instructions useable in the control of the controller and a scratch pad memory for storing device specific information useable in the control and operation of the device is provided. An addressed instruction is received by an instruction register from which control signals are generated. The contents of the instruction register are used to address the control store as well as the scratch pad memory and in addition is received by means of a multiplexor by an arithmetic unit which provides computations in the controller. The multiplexor which in addition receives signals from the scratch pad memory and the devices is also directly coupled to write information in the scratch pad memory. The controller may receive diagnostic and other instructions from a coupled data processor which are then used to control the operation of the controller in place of the instructions in the control store.
REFERENCES:
patent: 3453600 (1969-07-01), Stafford et al.
patent: 3702462 (1972-11-01), England
patent: 3820079 (1974-06-01), Bergh et al.
patent: 3828325 (1974-08-01), Stafford et al.
patent: 3842405 (1974-10-01), Key et al.
Cassarino, Jr. Frank V.
O'Keefe David B.
Riikonen Douglas L.
Honeywell Information Systems Inc.
Nusbaum Mark E.
Reiling Ronald T.
Solakian John S.
LandOfFree
Architecture for a microprogrammed device controller does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Architecture for a microprogrammed device controller, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Architecture for a microprogrammed device controller will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1746972