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Serial stream control circuit, method and electronic equipment

A serial code and flow control technology, applied in the direction of electrical components, etc., can solve the problems of abnormal serial code stream transmission and abnormal status of LED lights.

Active Publication Date: 2022-03-25
SHENZHEN SUNDRAY NETWORK SCI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the related art, when the Ethernet switch chip of an electronic device controls a light-emitting diode (LED, Light Emitting Diode) light through an output serial code stream, there is a problem that the state of the LED light is abnormal due to the abnormal transmission of the serial code stream

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  • Serial stream control circuit, method and electronic equipment
  • Serial stream control circuit, method and electronic equipment
  • Serial stream control circuit, method and electronic equipment

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Embodiment Construction

[0044] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments of the description.

[0045] In the related art, when the Ethernet switch chip of the electronic device controls the LED light through the output serial code stream encoded by the LED state, it can use the figure 1 or figure 2 The hardware connection structure shown. Specifically, as figure 1 As shown in the figure, the Ethernet switch chip outputs a serial code stream to a plurality of cascaded 74HC164s, and the cascaded multiple 74HC164 perform serial-to-parallel conversion processing on the serial code stream to obtain a plurality of parallel codes for controlling LED lights. The LED status is encoded and output to the corresponding LED light. like figure 2 As shown, the Ethernet switch chip outputs a serial code stream to a Field Programmable Gate Array (FPGA, Field Programmable Gate Array) chip or a Complex Pro...

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Abstract

The invention discloses a serial code flow control circuit, method and electronic equipment. Wherein, the serial code stream control circuit includes: a detection circuit, which is used to output a first control signal to the memory when it detects that there is a serial code stream input, and cache the input serial code stream to the When the memory is used, the second control signal is output to the preprocessing circuit; the memory is used to buffer the serial code stream input through its first port in response to the first control signal; the preprocessing circuit uses In response to the second control signal, read the serial code stream buffered in the memory through the second port of the memory, preprocess the read serial code stream, and output the preprocessed code stream to the shift register The serial code stream; the shift register is used to perform serial-to-parallel conversion processing on the preprocessed serial code stream to obtain a plurality of parallel LED state codes, and output corresponding LED lights to corresponding LED lights Status code.

Description

technical field [0001] The present invention relates to the field of integrated circuits, in particular to a serial code stream control circuit, method and electronic device. Background technique [0002] In the related art, when an Ethernet switch chip of an electronic device controls a light emitting diode (LED, Light Emitting Diode) light through an output serial code stream, there is a problem of abnormal state of the LED light caused by abnormal transmission of the serial code stream. SUMMARY OF THE INVENTION [0003] In order to solve the related technical problems, embodiments of the present invention provide a serial code stream control circuit, method and electronic device. [0004] The technical solution of the embodiment of the present invention is realized as follows: [0005] An embodiment of the present invention provides a serial code stream control circuit, including: a detection circuit, a memory, a preprocessing circuit, and a shift register; wherein, ...

Claims

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Application Information

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IPC IPC(8): H05B45/50
CPCH05B45/50
Inventor 刘理达
Owner SHENZHEN SUNDRAY NETWORK SCI TECH