Method and apparatus for multiplexing an integrated circuit pin

Details Method and apparatus for multiplexing an integrated circuit pin Method and apparatus for multiplexing an integrated circuit pin

2007-10-23

2007-10-23

Cho, James H. (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

Having details of setting or programming of interconnections...

C326S041000

Reexamination Certificate

active

11190492

ABSTRACT:
A system and method for multiplexing an integrated circuit pin include a plurality of registers for storing bit values; a plurality of functions to be multiplexed on receiving the bit values; a decoding logic for decoding the bit values for selecting at least one of the functions; a plurality of pads connected to the plurality of functions and the decoding logic; and external pin/pins acting as inputs/outputs for the selected functionality depending upon the bit values.

REFERENCES:
patent: 5686844 (1997-11-01), Hull et al.
patent: 6057705 (2000-05-01), Wojewoda et al.
patent: 6822474 (2004-11-01), Chaudhari

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