Bridge design for SD and MMC multiplexing

Details Bridge design for SD and MMC multiplexing Bridge design for SD and MMC multiplexing

2008-01-11

2009-08-11

Tan, Vibol (Department: 2819)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S305000, C710S312000, C326S086000, C326S038000

Reexamination Certificate

active

07574549

ABSTRACT:
A method for determining direction of signal transmission in a bi-directional signal line, including sampling data signals at two terminals, A and B, enabling data flow from A to B when data flow from B to A is not enabled, and a logical 0 bit is sampled at A, enabling data flow from B to A when data flow from A to B is not enabled, and a logical 0 bit is sampled at B, disabling data flow from A to B when data flow from A to B is enabled and two successive logical 1 bits are sampled at A, and disabling data flow from B to A when data flow from B to A is enabled and two successive logical 1 bits are sampled at B. An electrical circuit is also described and claimed.

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