Method and apparatus for CAN bus auto-termination

Details Method and apparatus for CAN bus auto-termination Method and apparatus for CAN bus auto-termination

2007-12-25

2007-12-25

Le, Don (Department: 2819)

Electronic digital logic circuitry

Signal sensitivity or transmission integrity

Bus or line termination

C326S027000

Reexamination Certificate

active

11288616

ABSTRACT:
A cable area network (CAN) bus termination (100) is provided by an interface104operably coupling a cable detection input pin (3), a switch (120) and a termination resistance (130) to detect the presence and absence of one or more cables (108). The termination resistance (130) is automatically enabled to create terminations at end nodes and is automatically disabled to provide a daisy-chain connection between interim nodes of a multi-cable system.

REFERENCES:
patent: 5434516 (1995-07-01), Kosco
patent: 6516366 (2003-02-01), Gates et al.
patent: 6587968 (2003-07-01), Leyva
patent: 6970953 (2005-11-01), Gregory et al.

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