Clock Lane Recovery for Noise-Triggered High-Speed Data Reception
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Solution Overview
Problem
In transmission systems, clock signal failures due to external noise can disrupt data processing, especially when switching between low-power and high-speed modes, leading to data loss as the clock lane may incorrectly switch to a low-power mode, preventing further data processing until it is manually switched back to high-speed mode.
Innovation Solution
A reception apparatus with a clock lane control circuit and data lane control circuit that determines operation modes based on clock and data signals, automatically switching the clock lane to high-speed mode when external noise is detected or when the data lane switches from low-power to high-speed mode, ensuring continuous data processing by generating a high-speed internal clock signal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the clock lane operates in low-power mode to save energy, then energy consumption is reduced, but data processing cannot be performed when high-speed mode is required
Solution Approach 1:
The clock lane control circuit dynamically switches between low-power mode and high-speed mode based on the operation mode of the data lane. When the data lane transitions to high-speed mode, the clock lane automatically switches from low-power mode to high-speed mode to provide the necessary clock signal for data processing, thus adapting the system to different operational requirements.
2Productivity
If the clock lane switches to high-speed mode to enable data processing, then data processing capability is improved, but energy consumption increases
Solution Approach 1:
The system uses the operation mode status of the data lane as feedback to control the clock lane's operation mode. The clock lane control circuit monitors the data lane's mode and adjusts the clock lane accordingly, ensuring that the clock lane only consumes high power when actually needed for data processing, thus optimizing energy usage based on real-time system state.
3Use of energy by moving object
If the clock lane remains in low-power mode during external noise interference, then energy is saved, but clock signal failures occur disrupting data processing
Solution Approach 1:
The clock lane control circuit continuously monitors the data lane's operation mode and uses this feedback to maintain appropriate clock signal levels. When the data lane requires high-speed operation, the feedback mechanism ensures the clock lane switches to high-speed mode, providing stable clock signals even during external noise interference, thus maintaining system reliability.
4Device complexity
If manual switching is required to restore high-speed mode after clock failure, then system control is simplified, but operational complexity increases and data loss occurs
Solution Approach 1:
The clock lane control circuit automatically detects when the data lane switches to high-speed mode and autonomously switches the clock lane to the corresponding high-speed mode without requiring manual intervention. This self-service mechanism eliminates the need for manual switching operations, prevents data loss during mode transitions, and maintains system operation continuity.
Data Source
AI summary
A reception apparatus communicating with a transmission apparatus with a clock lane and a data lane. The reception apparatus comprises a clock lane control circuit configured to determine the operation mode of the clock lane based on a clock signal transmitted through the clock lane, and performing an operation based on the determined operation mode of the clock lane, and a data lane control circuit configured to determine the operation mode of the data lane based on a data signal transmitted from the transmission apparatus, and performing an operation based on the determined operation mode of the data lane, and the clock lane control circuit is configured to set the operation mode of the clock lane to a high-speed mode, when the operation mode of the data lane is switched from a low-power mode to the high-speed mode.