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1394 link layer chip internal data routing scheduling circuit and scheduling method thereof

An internal data, 1394LINK technology, applied in the fields of aviation, navigation and industrial control, can solve the problem of undiscovered internal data routing and scheduling circuits or methods, and achieve the effect of efficient interaction

Active Publication Date: 2021-04-20
西安翔腾微电子科技有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002]The 1394 bus can only send or receive one data packet at the same time, but in order to ensure the efficiency of sending and receiving data packets, the master device of the 1394 bus generally involves large-scale The DM interface for sending and receiving large-scale data and the MC interface for configuring the bus require an internal data routing scheduling circuit, and no scheduling circuit or method for internal data routing has been found yet.

Method used

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  • 1394 link layer chip internal data routing scheduling circuit and scheduling method thereof

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Embodiment Construction

[0019] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] see figure 1 , the structure of the specific embodiment of the present invention includes 1394LINK module, DM interface, MC interface, DM interface timing conversion module, MC interface timing conversion module, register module and internal data routing scheduling module; DM interface timing conversion module and internal data routing scheduling module Connection, the MC interface timing conversion module is connected with the internal data routing scheduling module through the register module; the internal data routing scheduling module is connected with the 1394LINK module, the DM interface is connected with the DM interface timing conversion module, and the MC interface is connected with the MC interface timing conversion module, wherein:

[0021] When the DM interface timing conversion module sen...

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Abstract

The invention relates to a 1394 link layer chip internal data routing scheduling circuit and a scheduling method thereof. The system comprises a 1394 LINK module, a DM interface, an MC interface, a DM interface time sequence conversion module, an MC interface time sequence conversion module, a register module and an internal data routing scheduling module. The DM interface time sequence conversion module is connected with the internal data routing scheduling module, and the MC interface time sequence conversion module is connected with the internal data routing scheduling module through the register module; wherein the internal data routing scheduling module is connected with the 1394 LINK module, the DM interface is connected with the DM interface time sequence conversion module, and the MC interface is connected with the MC interface time sequence conversion module. According to the invention, safe and efficient interaction of the data between the 1394LINK and the DM interface and between the 1394LINK and the MC interface can be ensured.

Description

technical field [0001] The invention relates to the fields of aviation, navigation, industrial control and the like, in particular to a 1394 link layer chip internal data routing scheduling circuit and a scheduling method thereof. Background technique [0002] The 1394 bus can only send or receive one data packet at the same time, but in order to ensure the efficiency of sending and receiving data packets, the master device of the 1394 bus generally involves the DM interface for large-scale data sending and receiving and the MC interface for configuring the bus. At this time, an internal data routing scheduling circuit is needed, and no scheduling circuit or method for internal data routing has been found yet. Contents of the invention [0003] In order to solve the above-mentioned technical problems in the background technology, the present invention provides a 1394 link layer chip internal data routing scheduling circuit and its scheduling method, which can ensure safe a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/40G06F13/42
Inventor 杜斐何嘉文田泽魏美荣王宣明
Owner 西安翔腾微电子科技有限公司
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