Low power digital adaptive termination network

Details Low power digital adaptive termination network Low power digital adaptive termination network

2006-11-28

2006-11-28

Tan, Vibol (Department: 2819)

Electronic digital logic circuitry

Signal sensitivity or transmission integrity

Bus or line termination

C326S046000, C327S108000

Reexamination Certificate

active

07142007

ABSTRACT:
An apparatus, method, microprocessor device and computer program for configuring a termination network of a communication device includes a voltage comparator for comparing a voltage across the termination network with a reference voltage; a logic arrangement for setting a digital control vector in response to a state returned by said voltage comparator; and a first switching apparatus for activating a first weighted-value resistor in response to the setting of the digital control vector. At least a second switching apparatus for activating a second weighted-value resistor, and wherein each of the first and the second weighted-value resistors is represented by a value in the digital control vector may be provided, the first and second resistors are connected in series or in parallel. The digital control vector may be stored in a logic register and distributed to a plurality of termination networks. The logic arrangement may include a finite state machine.

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patent: 6157206 (2000-12-01), Taylor et al.
patent: 6380758 (2002-04-01), Hsu et al.
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patent: 6963218 (2005-11-01), Alexander et al.
patent: 2005/0040845 (2005-02-01), Park

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