The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 26, 2001
Filed:
Jan. 15, 1999
Ulf Christian Björkengren, Bjärred, SE;
Anders Khullar, Bjärred, SE;
Johan Georg Michael Uggmark, Lund, SE;
Telefonaktiebolaget L M Ericsson (publ), Stockholm, SE;
Abstract
A method and system for communicating data between an integrated circuit and each of a first device and a second device. Communications between the integrated circuit and the first device use a first interface protocol, while communications between the integrated circuit and the second device use a second interface protocol. Both interface protocols, however, share the same data bus and clock bus. To communicate using the second interface protocol, the first device, which uses the first interface protocol, is first deactivated by sending address data via the shared data bus that does not identify the first device, thereby causing the first device to enter an inactive state until a stop condition is detected on the shared data bus. Then, communications using the second interface protocol can be carried out, provided that a start or stop condition for the first interface protocol is not inadvertently generated on the shared data bus.