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Method and system for establishing a data link layer protocol on a i2c physical layer connection

A data link layer and physical layer technology, applied in the field of data communication, can solve problems such as restricting development

Inactive Publication Date: 2006-08-02
NOKIA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, many sets of data exchange rules are required, or alternatively, the oldest set of data exchange rules determines which one should be used, severely limiting further development

Method used

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  • Method and system for establishing a data link layer protocol on a i2c physical layer connection
  • Method and system for establishing a data link layer protocol on a i2c physical layer connection
  • Method and system for establishing a data link layer protocol on a i2c physical layer connection

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Embodiment Construction

[0039] In the following description of various embodiments, reference is made to the accompanying drawings, which constitute a part hereof, and in which are shown illustrations of various embodiments in which the invention may be practiced. It is to be understood that other embodiments may be utilized and structural and functional modifications may be made without departing from the scope of the present invention.

[0040] The definition used in this description is a message that can be configured into one or more data packets, where each data packet includes a data frame (physical layer) that specifies the low-level communication rules, that is, when to transmit information about who is the data Information about the intended receiver of the packet, and when the actual data segment is delivered. The data segment may further include a header section, a data payload section, and a termination section according to a preferred embodiment of the present invention. Usually, howeve...

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Abstract

This invention relates to a method for establishing a data link layer connection enabling data communication between a plurality of modules in a system connected to an I2C(TM)-bus. The modules may be a mobile communication device such as a cell or mobile telephone, and peripherals such as a functional cover, a camera or the like. In addition, this invention relates to a data package configured according to the I2C(TM) specification and according to a data link layer protocol.

Description

technical field [0001] The present invention relates to a method for establishing a data link layer connection to enable intra-system communication with I 2 C TM - A method of data communication between a plurality of modules connected by a bus. The module may be a mobile communication device such as a cellular or mobile phone, and a peripheral device such as a functional cover, a camera or the like. In addition, the present invention relates to a 2 C TM Technical specifications and packets configured according to the data link layer protocol. Background technique [0002] Published by Philips Semiconductors and incorporated herein by reference 2 C TM - bus specification (I 2 C TM is a trademark of Philips), is the de facto world standard for providing a physical layer for data communication between multiple connected integrated circuits (ICs). The I 2 C TM - The bus supports any IC fabrication process and includes a first line for transferring serial data (SDA) a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04L69/32H04L69/03H04L29/06H04L9/40H04L69/322
Inventor R·维莱弗兰斯J·桑伯格
Owner NOKIA CORP