Method and device for providing and external interface using...

Details Method and device for providing and external interface using... Method and device for providing and external interface using...

2005-11-29

2005-11-29

Gaffin, Jeffrey (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral configuration

C710S003000, C710S005000, C710S038000

Reexamination Certificate

active

06970951

ABSTRACT:
An external interface for a microprocessor system uses a programmed configuration bit to establish the functionality of a computer port, which improves external interface data transfer speed and input/output power consumption. In particular, the configuration bit allows the microprocessor user to establish the computer port as a memory port, input/output port or the like. The configuration bit is provided to the computer port at system power up or reset. Moreover, the configuration bit may be stored in flash memory and provided to the microprocessor computer port or, in the alternative, the configuration bit may be provided to the computer port directly via the microprocessor bus interface.

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patent: 6581122 (2003-06-01), Sarat

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