System for operating input, processing and output units in paral

Details System for operating input, processing and output units in paral System for operating input, processing and output units in paral

1998-04-02

2000-03-21

Lee, Thomas C.

Electrical computers and digital data processing systems: input/

Input/output data processing

Concurrent input/output processing and data transfer

710 21, 710 22, 710 40, 710244, 714746, 714764, 714785, 714784, 714781, G06F 1314

Patent

active

060413689

ABSTRACT:
A data input-output device includes a single memory, an input interface unit for storing data in the memory, an operation unit for fetching the data from the memory, for performing operations on the data, and for updating the data in the memory when necessary, an output interface unit for transmitting the data in the memory that has been operated on by the operation unit to outside of the device, and a bus control unit for setting a priority for each of these units and for controlling memory access by these units according to the priorities every time a predetermined number of bytes of data is transferred.

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