Patent
Device interface controller for intercepting communication between a microcomputer and peripheral devices to control data transfers
Gerety Eugene Peter,Jitender K. Vij +1 more
- 25 Feb 1985
62
TL;DR: In this paper, an apparatus for use with a DMA controller includes a device interface controller having therein both general and specific command programs, and device bus interface, arranged to intercept all communication signals between the controller and a microcomputer associated therewith.
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Abstract: An apparatus for use with a DMA controller includes a device interface controller having therein both general and specific command programs, and device bus interface. The apparatus is arranged to intercept all communication signals between the DMA controller and a microcomputer associated therewith.
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Citations
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204
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Process I/O to fieldbus interface circuit
Jogesh Warrior
- 15 Feb 1996
TL;DR: In this article, a transducer is coupled with a transceiver for sensing a process variable and outputting the output of the transducers to the transmitter. But the transmitter interface circuitry is adapted to couple to a process control loop which operates in accordance with the Fieldbus standard.
170
References
Patent
Shared direct memory access controller
Nicholas Derchak
- 29 Jan 1976
TL;DR: In this paper, a shared direct memory access controller between the memory and the subsystem device controller is described, which is used for data transfer between a microprocessor and a set of peripheral devices.
106
Patent
I/O Controller for transferring data between a host processor and multiple I/O units
John Monroe Dinwiddie,Bobby Joe Freeman,Timothy Jackson,William Lewis Zipoy +3 more
- 25 Nov 1981
TL;DR: In this paper, the authors propose an interleaving mechanism for concurrent performance of two different modes of data transfer between the host processor and the I/O controller, which enables host processor direct program control (DPC) data transfers to be performed at the same time that the controller is busy doing cycle steal data transfers for a block of data.
95
Patent
Multiprocessor computer system
Asbjoern Smitt
- 16 Sep 1982
TL;DR: In this paper, the memory bus means are configurated to allow direct data transfer between any memory fraction of central processing unit systems without interfering with the central processing units that being controlled by direct memory access control means.
86
Patent
Disk address controller
Masatoshi Denko
- 10 Nov 1977
TL;DR: A disk address controller as mentioned in this paper is a random access memory for storing the upper and lower limit addresses of the access area of each of processing units which are allotted to a disk unit, and storing the disk address specified by a disk input/output instruction from the processing unit.
59
Patent
I/O Adapter with direct memory access to I/O control information
Shiro Oishi,Masatsugu Shinozaki +1 more
- 19 Nov 1981
TL;DR: In this article, a data proessing system includes a processor, a memory, a direct memory accessing (DMA) control unit and an input/output adapter, and a memory area of a given capacity is reserved in the memory for storing control information transferred between the processor and the adapter.
43