Anti-collision command processing and response device
A command processing and response device technology, which is applied in the field of anti-collision command processing and response devices, to achieve the effect of improving response speed and reducing power consumption
Active Publication Date: 2022-03-29
广州搏创信息科技有限公司 +1
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[0004] This application provides an anti-collision command processing and response device, aiming to solve the technical defects in the prior art
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[0034] In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the accompanying drawings in this application. Obviously, the described embodiments are part of the embodiments of this application , but not all examples. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0035] Combine below Figure 1 to Figure 2 Describe the anti-collision command processing and response device provided by this application. refer to Figure 1 to Figure 2 , figure 1 It is a schematic diagram of the anti-collision command processing and response device provided by this application; figure 2 It is a schematic diagram of UID tearing.
[0036] The embodiment of the present application provides a...
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The application provides an anti-collision command processing and response device, which includes: a cascade selector, a UID selector, an anti-collision command analysis module, a response calculation and data preparation module, and a gating module; the cascade selector is used for Indicates the length of the UID; the UID selector is used to determine the cascade to which the UID used for anti-collision analysis belongs; the anti-collision command analysis module is used to analyze the anti-collision command; the response calculation and data preparation module is used to prepare relevant data ; The gate control module is used for two cycle delay enable signals, and a synchronous reset and clock gating anti-collision module. The present application provides an anti-collision command processing and response device which processes each byte command received without registering and saves a lot of buffers. At the same time, the parallel processing method is adopted, and the preparation of the response data can be completed within two cycles, which greatly improves the response speed. Due to the use of the gate control module, the power consumption of the system is greatly reduced.
Description
technical field [0001] This application relates to the technical field of TYPEA tag chips, in particular to an anti-collision command processing and response device. Background technique [0002] In the current non-contact near-field communication, often an active device needs to face multiple tags. When multiple tags are present, collisions will inevitably occur. At this time, it is most important for the tags to make accurate command processing and responses. [0003] At present, most of the chips on the market do not support anti-collision, and some chips that support anti-collision basically use serial processing, which requires a large number of buffers to cache commands. Analysis and processing; and most of the serial processing methods adopt combinatorial logic design. Anti-collision is a very complex data processing. Excessive use of combinatorial logic will inevitably cause timing violations, competition and risk, metastable states, etc. due to excessive nesting. ...
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IPC IPC(8): H04B5/00
CPCH04B5/45Y02D30/70
Inventor 吴劲李洋胡建国王德明丁颜玉段志奎秦军瑞
Owner 广州搏创信息科技有限公司