Clock Relationship Reset Circuit for EMI-Resilient Data Processing

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Solution Overview

Problem

Integrated circuit designs are prone to malfunction due to electromagnetic interference, which causes variations in clock signals, leading to errors in read and write operations.

Innovation Solution

An electronic device comprising a core circuit and a detecting circuit that generates reset signals to restore the initial relationship between working states affected by electromagnetic interference, ensuring normal operation by detecting and correcting frequency drifts in clock signals.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the core circuit processes multiple clock signals simultaneously, then the device can perform different operations with different working states, but electromagnetic interference causes frequency drift that damages the relationship between read and write operations

Engineering Contradiction:

Improveability to process multiple clock signalsVSAvoidrelationship between read and write operations

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The detecting circuit continuously monitors the relationship between working states generated by different clock signals and generates a reset signal when frequency drift exceeds a threshold, feeding back to the core circuit to restore the correct relationship between read and write operations

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The detecting circuit acts as an intermediary between the core circuit and the clock signals, detecting frequency drift and generating reset signals to maintain the correct relationship between working states without directly interfering with the core circuit's normal operation

Inventive Principle:

Principle #24Intermediary (Mediator)

2Productivity

If the buffer circuit continuously writes and reads data to maintain data flow, then data processing efficiency is improved, but electromagnetic interference causes errors in output data

Engineering Contradiction:

Improvedata processing efficiencyVSAvoidaccuracy of output data

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The detecting circuit provides continuous feedback on the relationship between working states, enabling real-time detection of frequency drift that would otherwise cause data errors, and triggers reset signals to correct the relationship before errors propagate

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The system detects frequency drift before it causes actual data errors by monitoring the relationship between working states, and proactively generates reset signals to prevent errors in the output data stream

Inventive Principle:

Principle #11Beforehand cushioning (Prior cushioning)

Data Source

PatentUS11748282B2Electronic device

Publication Date: 2023.09.05 ALI CORP

AI summary

An electronic device includes a core circuit and a detecting circuit. The core circuit receives a first clock signal and a second clock signal that are different. The core circuit generates a first working state and a second working state respectively according to the first clock signal and the second clock signal. The detecting circuit detects a relationship between the first working state and the second working state to generate a reset signal. The reset signal is configured to reset the relationship between the first working state and the second working state to an initial corresponding relationship, and reduce an influence of electromagnetic interference on the electronic device.