Configurable integrated circuit for use in a multi-function...

Details Configurable integrated circuit for use in a multi-function... Configurable integrated circuit for use in a multi-function...

2006-09-19

2006-09-19

Tran, Anh Q. (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

C326S041000, C326S047000, C326S082000

Reexamination Certificate

active

07109745

ABSTRACT:
A configurable integrated circuit includes at least one general purpose input/output (GPIO) interface module, a first functional module, and a second functional module. The GPIO interface module includes a plurality of GPIO cells, wherein each of the GPIO cells is operably coupled to a corresponding pin of the configurable integrated circuit. When the configurable integrated circuit is in a first functional mode, at least one of the GPIO cells is operably coupled to its corresponding pin such that the corresponding pin functions as a digital input pin for the first functional module. When the configurable integrated circuit is in a second functional mode, at least one of the GPIO cells is operably coupled to its corresponding pin such that the corresponding pin functions as a digital output pin for the second functional module.

REFERENCES:
patent: 6580288 (2003-06-01), Klapproth
Product Data Sheet, STMP3400 Audio Decoder with USB Interface and Voice Record, Mar. 1, 2001—SigmaTel, Inc.

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