Synchronous Ethernet Clock Synchronization via FPGA Segmentation
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Solution Overview
Problem
Existing solutions for Ethernet clock synchronization are limited by integrated circuit chips that prevent component customization, reducing flexibility and limiting the development of synchronous Ethernet technologies.
Innovation Solution
An apparatus comprising a processor, field programmable gate array, synchronizer, physical layer implementor, and media accessing controller, allowing for customizable parameter adjustment of the synchronous clock through separate transmission interfaces, enabling more flexible clock synchronization over Ethernet.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If an integrated circuit chip is used to realize Ethernet clock synchronization, then the operation convenience is improved, but the adaptability and customization capability deteriorate
Solution Approach 1:
The patent divides the Ethernet clock synchronization system into separate functional modules: a processor for control operations, an FPGA for parameter configuration and clock generation, and an integrated circuit chip for execution. This segmentation allows the FPGA to be customized for different applications while the integrated circuit chip handles standardized operations, thus resolving the contradiction between ease of operation and adaptability.
2Device complexity
If components are integrated into a single chip, then the device complexity is reduced, but the adaptability and development flexibility deteriorate
Solution Approach 1:
The system is segmented into three main components: a processor, an FPGA, and an integrated circuit chip. The FPGA acts as a configurable intermediary that can be customized for different applications while maintaining a standardized interface with the other components. This segmentation reduces overall device complexity while preserving development flexibility through the programmable nature of the FPGA.
Solution Approach 2:
The FPGA serves multiple functions: it configures the integrated circuit chip, generates clock signals, and can be programmed differently for various applications. This multi-functionality allows a single standardized architecture to support diverse Ethernet synchronization requirements, thereby maintaining adaptability without increasing device complexity.
3Manufacturing precision
If an integrated circuit chip is used, then the manufacturing precision and reliability are improved, but the ease of customization deteriorates
Solution Approach 1:
The patent separates customization functions (handled by the programmable FPGA) from execution functions (handled by the manufactured integrated circuit chip). This allows the chip to be manufactured with high precision using standardized processes, while customization is achieved through programming the FPGA, making both high manufacturing precision and ease of customization possible.
Data Source
AI summary
An apparatus for synchronous Ethernet comprises a processor, a field programmable gate array, a synchronizer, a physical layer implementor and a media accessing controller, wherein, the processor transmits a control data through a first transmission interface; the field programmable gate array receives the control data, generates a control instruction in accordance with the control data and transmits the control instruction through a second transmission interface; the synchronizer receives the control instruction and generates a synchronous clock in accordance with the control instruction; and each of the physical layer implementor and the media accessing controller receives and works in accordance with the synchronous clock and media accessing control protocol.