Universal Interface Chip for High-Speed Data Transmission
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Solution Overview
Problem
Current inter-chip interfaces face challenges in achieving high-speed data transmission while minimizing complexity and power consumption, and ensuring data quality, with high-speed interfaces being complex and power-intensive, and low-speed interfaces struggling to maintain Quality of Service (QoS).
Innovation Solution
A universal interface chip method involving data packet repacking according to a preset bit width, adding a check code, and implementing an arbitration policy for priority transmission, along with automatic retransmission for incorrect packets, to ensure efficient and reliable high-speed data exchange.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If high-speed interfaces (Serdes, USB, IDE) are used to achieve high transmission bandwidth, then data transmission speed is improved, but logical complexity and power consumption increase
Solution Approach 1:
The patent implements a universal interface chip that can adapt to multiple interface types (parallel and serial interfaces) through a unified architecture. The chip includes a packetizing module that can handle different data formats and a protocol conversion module that adapts between different communication protocols, allowing a single chip design to replace multiple specialized high-speed interface designs, thereby reducing logical complexity while maintaining high transmission capabilities.
Solution Approach 2:
The interface chip segments the data transmission process into distinct functional modules: a packetizing module that divides data into packets, a protocol conversion module that handles protocol adaptation, and a physical layer module that manages actual transmission. This segmentation allows each module to be optimized independently and simplifies the overall control logic compared to traditional monolithic high-speed interface designs.
2Speed
If high-speed interfaces (Serdes, USB, IDE) are used to achieve high transmission bandwidth, then data transmission speed is improved, but power consumption increases
Solution Approach 1:
The universal interface chip implements dynamic protocol selection and adaptive data rate adjustment. The protocol conversion module can dynamically switch between different communication protocols and data rates based on the specific application requirements, allowing the system to use lower power modes when full high-speed performance is not needed, thereby reducing overall power consumption while maintaining the capability for high-speed transmission when required.
3Device complexity
If low-speed interfaces (UART, SPI, IIC, LPT) are used with simple logical design, then device complexity is reduced, but Quality of Service (QoS) cannot be ensured
Solution Approach 1:
The interface chip implements preliminary packetizing and error checking before data transmission. The packetizing module pre-processes data into standardized packets with embedded error detection codes, and the protocol conversion module pre-configures the transmission parameters based on the required QoS level. This preliminary preparation ensures that even with simple logical design, the system can maintain high reliability through built-in error handling and protocol assurance mechanisms.
4Device complexity
If simple protocols are used in low-speed interfaces, then device complexity is reduced, but data transmission reliability deteriorates
Solution Approach 1:
The universal interface chip implements comprehensive feedback mechanisms including automatic acknowledgment, error detection through check codes, and automatic retransmission of corrupted packets. The protocol conversion module monitors transmission status and provides feedback to the packetizing module, enabling automatic error correction and ensuring data integrity without requiring complex protocols, thereby maintaining simplicity while improving reliability.
Data Source
AI summary
A method for achieving high-speed data transmission is disclosed. The method includes: repacking a data packet to be transmitted using a preset bit width and adding a check code; for a correct response message, releasing system resources immediately, and for an incorrect response message, implementing an automatic retransmission operation on the data packet, thereby reducing the complexity and power consumption level of a chip, and ensuring the data exchange speed and quality. Also provided is a universal interface chip for achieving high-speed data transmission.