Bus operation with integrated circuits in an unpowered state

Details Bus operation with integrated circuits in an unpowered state Bus operation with integrated circuits in an unpowered state

2006-02-28

2006-02-28

Miller, John (Department: 2614)

Television

Receiver circuitry

Power supply

C348S721000, C348S719000, C714S025000, C714S022000, C710S100000

Reexamination Certificate

active

07006161

ABSTRACT:
A circuit configuration applicable to systems such as consumer electronics devices enables communication between components such as integrated circuits connected to the bus. According to an embodiment, the RUN power supplies are turned to an OFF state in response to a fault condition. An interface circuit associated with an integrated circuit coupled to the bus controls the loading on the bus caused by the interface circuit and the integrated circuit such that communication between devices on the bus can continue. Therefore, even when a fault condition results in the loss of the RUN power supplies, a command can be transmitted over the bus from a first integrated circuit in a powered state to a second integrated circuit in the powered state while a third integrated circuit connected to the bus is in an unpowered state.

REFERENCES:
patent: 4641064 (1987-02-01), Testin et al.
patent: 4656399 (1987-04-01), Testin et al.
patent: 5036261 (1991-07-01), Testin
patent: 5327172 (1994-07-01), Tan et al.
patent: 5689196 (1997-11-01), Schutte
patent: 5821796 (1998-10-01), Yaklin et al.
patent: 5946495 (1999-08-01), Scholhamer et al.
patent: 6000042 (1999-12-01), Henrie
patent: 6092138 (2000-07-01), Schutte
patent: 6145036 (2000-11-01), Barenys et al.
patent: 6363493 (2002-03-01), Williams
patent: 6470289 (2002-10-01), Peters et al.
patent: 6678268 (2004-01-01), Francis et al.
patent: 6693678 (2004-02-01), Tults et al.
patent: 6785835 (2004-08-01), MacLaren et al.
patent: 6854070 (2005-02-01), Johnson et al.
patent: 6900849 (2005-05-01), Friedreich
patent: 671693 (1995-09-01), None
patent: 798922 (1997-10-01), None
The I2C Bus Specification, Version 2.1, Jan. 2000, Philips Semiconductors, pp. 1-46.
T4-Chip One Chip Color TV IC, Revision 8, May 15, 2001, TCE Part No. 15296960 (ES3E), pp. 1-114.

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