Serial bus controller

Details Serial bus controller Serial bus controller

1997-09-15

2000-09-19

Sheikh, Ayaz R.

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus access regulation

710242, 710244, G06F 1300

Patent

active

061226947

ABSTRACT:
A serial bus controller comprises a competition result discriminator for outputting a lost competition signal DB upon detecting a lost competition, by comparing a clock SCK and data SDA on a serial communication bus against a clock CKO and data DAO, respectively, to be output from the own station to find any difference between them, a bus release controller for performing end-of-communication procedures including releasing the serial communication bus in response to the lost competition signal DB, and a slave mode setting section for effecting slave mode setting procedures in response to the lost competition signal DB and based on the data SDA on the serial communication bus.

REFERENCES:
patent: 5311473 (1994-05-01), McClure et al.
patent: 5892631 (1999-04-01), Howell et al.

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