Apparatus using a binary coded decimal switch and a programmable

Details Apparatus using a binary coded decimal switch and a programmable Apparatus using a binary coded decimal switch and a programmable

1992-11-02

1996-07-02

Lee, Thomas C.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

395828, 200 11R, 326 38, 326 39, 3642382, G06F 302

Patent

active

055332021

ABSTRACT:
A network interface card for a personal computer includes a controller chip and a programmable logic array that is coupled at its output terminals to the bus pull-up resistors, or to dedicated terminals of the controller chip for establishing different configurations for the controller chip on the interface card. A rotary, ten position binary coded decimal switch is coupled across the inputs of the programmable logic array. Each position of the switch establishes a different configuration for the controller. The arrangement eliminates the need for manual switches and movable jumpers for configuring the network interface card controller chip.

REFERENCES:
patent: 3649822 (1972-03-01), Mersteh
patent: 3882466 (1975-05-01), Poorvin
patent: 4547880 (1985-10-01), De Vita et al.
patent: 4745597 (1988-05-01), Morgan et al.
patent: 4787029 (1988-11-01), Khan
patent: 5217035 (1993-06-01), Van Marcke
patent: 5315300 (1994-05-01), Schumidt

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