SWP protocol processor

A protocol processor and protocol processing technology, applied in transmission systems, electrical components, etc., can solve the problems of scattered processor structure, low reusability, and inability to reuse programs, so as to increase reusability and facilitate implementation and maintenance. , the effect of reducing the area occupied

Active Publication Date: 2019-10-22
BEIJING SMARTCHIP MICROELECTRONICS TECH COMPANY +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Based on this, the inventor of the present application found that the existing SWP processor is divided into multiple modules in the processing of the physical layer protocol, such as a decoder, an encoder and a protocol processing module, which makes the processor structure scattered and occupies a large area , and the program between decoder, encoder and protocol processing module cannot be reused, and the reusability is not high

Method used

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Embodiment Construction

[0018] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0019] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0020] Such as figure 2 As shown, it is a schematic structural diagram of a SWP protocol processor according to a preferred embodiment of the present invention, and the SWP protocol processor is used for processing the physical layer and the data link layer, including: a protocol processing module 1, a frame analysis module 2, First-in-first-out (English full name: First Input First Output, English abbreviation: FIFO) mem...

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Abstract

The invention discloses an SWP protocol processor, and the processor comprises a protocol processing module which carries out the demodulation and protocol conversion of a received signal, and forms adata frame; a frame analysis module, used for receiving the data frame and verifying the data frame; a FIFO, connected with the frame analysis module, and the frame analysis module being used for writing data frames with correct verification results into the FIFO; a frame recombination module respectively connected with the FIFO and the protocol processing module, and used for reading the data tobe sent from the FIFO, verifying the data to be sent, filling the data to be sent in a preset mode according to a verification result to form a data frame, and sending the data frame to the protocolprocessing module. The protocol processing module is used for carrying out protocol conversion and modulation on a data frame and sending a modulated signal. The SWP protocol processor has a compact processor structure, the occupied area is reduced, the codes among the processing processes in the protocol processing module can be reused, and the reusability is improved.

Description

technical field [0001] The present invention relates to near-field communication, in particular to a SWP protocol processor. Background technique [0002] With the development of communication technology, Near Field Communication (English full name: Near Field Communication, English abbreviation: NFC) has been more and more widely used. NFC is an emerging technology for short-distance wireless communication between electronic devices. Its main application is mobile micropayment, and it can also be used in access control, public transport and other fields. It is necessary to connect the CLF chip and the SIM card chip. [0003] Of the 8 pins of the SIM card, 5 are conventional pins for daily communication with mobile phones. Among the remaining three pins, C4 and C8 are expanded by the International Standards Organization as high-speed interfaces for the new generation of SIM cards. The feet are used to connect the non-contact front-end (English full name: Contactless Front-e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L69/03H04L69/08H04L69/22H04L69/18
Inventor 潘金龙冯曦冯文楠胡毅唐晓柯
Owner BEIJING SMARTCHIP MICROELECTRONICS TECH COMPANY
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