Method and apparatus for providing a two conductor serial bus
April 9, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesLoop configured data transmission system Two-wire bus-system comprising a clock wire and a data wire for interconnecting a number of stations Serial bus interface system for data communication using two-wire line as clock bus and data bus High capacity communication system over collision-type channels Procedure and apparatus for transmitting binary messages in a serial communication bus Bus device which abstains from round robin arbitration Application specific integrated circuit for a serial data bus Dynamic bus arbitration with concurrent same bus granting every cycle Patent #: 5195185 InventorsAssigneeApplicationNo. 866816 filed on 04/09/1992US Classes:710/107Bus access regulationExaminersPrimary: Shaw, Dale M.Assistant: Dinh, D. Attorney, Agent or FirmInternational ClassesG06F 013/00G06F 013/36 G06F 013/368 G06F 013/376 AbstractA method for rapidly transferring serial data in a two conductor busing arrangement in which one conductor is utilized to transfer data and the other conductor is utilized to transfer clock signals, and in which a plurality of components are connected to the two conductors, at least one of which is capable of acting as a bus master including the steps of providing clock signals on the clock conductor which are active on both edges, placing a special signal on the data conductor to indicate the start of an operation, placing address data on the data conductor to indicate an address on the data conductor, placing data on the data conductor to indicate the type of transfer to be made, acknowledging the receipt of the address by a component being addressed, transferring data on the data conductor, placing a special signal on the data conductor to indicate the end of the data transfer, transferring a signal indicating a parity count, and placing another special signal on the data conductor to indicate the end of the operation. | |
