Uni and bi-directional signal transfer modes in peripheral controller and method of operating same
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United States of America Patent
Stats
-
Jan 3, 1995
Grant Date -
N/A
app pub date -
Apr 21, 1992
filing date -
Apr 22, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A peripheral controller is described which is suitable for connecting a selected one of a plurality of peripheral devices to a computer system. The peripheral controller comprises programmable bidirectional line driver/receiver devices which can be operated in an input only mode, an output only mode or a bidirectional mode and which can be set into an appropriate mode by configuration control data sent from the computer system to the peripheral controller. The peripheral controller also includes a re-configurable logic array which can be configured under the control of the configuration control data to implement a particular interface required for the selected peripheral device. This increases the efficiency of use of a peripheral interface.
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