Single wire network for sending data in predetermined...

Details Single wire network for sending data in predetermined... Single wire network for sending data in predetermined...

2006-07-18

2006-07-18

Cao, Chun (Department: 2115)

Electrical computers and digital processing systems: support

Computer power control

C713S320000, C713S330000

Reexamination Certificate

active

07080266

ABSTRACT:
A device control protocol (and related implementation) is provided to control power ICs and other devices. For this protocol, a master device communicates with a slave device using a single wire. The device control protocol distinguishes between different types of information (such as register address information and register content information) by defining one or more boundary values. For one example, register content information is defined to be less than or equal to n. Register address information is defined to be more than n. To store data into a register of a slave device, a master device sends the register address using more than n rising edges of the EN/SET signal. The master device then sends the register contents using n or less rising edges of the EN/SET signal. The slave device decodes the address information, selects the corresponding register and stores the register contents.

REFERENCES:
patent: 5593430 (1997-01-01), Renger
patent: 6249480 (2001-06-01), Mick
patent: 6950440 (2005-09-01), Conway
patent: 2003/0188202 (2003-10-01), D'Angelo et al.
patent: 2003/0212918 (2003-11-01), D'Angelo et al.
patent: 2005/0169345 (2005-08-01), Urbas et al.

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