Input/output device controller for a data processing system

Details Input/output device controller for a data processing system Input/output device controller for a data processing system

1984-06-25

1987-11-24

Zache, Raulfe B.

Boots, shoes, and leggings

364521, G06F 1312

Patent

active

047093293

ABSTRACT:
An input/output (I/O) device controller for a data processing which is implemented on a single printed circuit board, includes a terminal control section, an I/O control section, a processor section and a timing generator section. The terminal control section includes a keyboard interface, an RS232 interface for transmitting and receiving data from the system host CPU over an RS232 line, and a video control section interface. The I/O control section includes a plurality of different I/O interface and control units for connecting the section to a number of different I/O devices and a system I/O bus interface and control unit for interfacing the section to the system I/O bus. The processor section manages the operations of the terminal control section as well as the I/O control section.

REFERENCES:
patent: 3956739 (1976-05-01), Ophir et al.
patent: 4200913 (1980-04-01), Kuhar et al.
patent: 4434472 (1984-02-01), Kachun

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