Semiconductor Device Accessing USB Internal Chip Without Opposite-End Connection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing USB cable configurations require both ends to be connected to USB devices to access the internal chip for recognition, limiting access to the internal device within the USB cable.
Innovation Solution
A semiconductor device with a decision unit to detect the opposite-end device and a control unit that supplies power to the internal device through one of the USB lines for communication, allowing access even when the opposite-end device is not detected.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If both ends of USB cable are connected to USB devices to access the internal chip for recognition, then the internal device can be accessed, but the operation becomes complex and requires opposite-end device coupling
Solution Approach 1:
The semiconductor device automatically detects whether an opposite-end device is connected and autonomously switches its operating mode. When no opposite-end device is detected, it activates the internal device access mode without requiring user intervention or manual configuration, making the system self-serve and simplifying the operation for users.
Solution Approach 2:
The system dynamically changes its operational state based on the detection result. The semiconductor device can switch between two modes: normal USB communication mode when an opposite-end device is connected, and internal device access mode when no opposite-end device is detected. This dynamic adaptability resolves the contradiction by making the connection requirement conditional rather than fixed.
2Adaptability or versatility
If power supply voltage is supplied through one line and communication is implemented through the other line, then access to internal device is enabled without opposite-end device, but the USB cable configuration must be dynamically adjusted
Solution Approach 1:
The semiconductor device integrates multiple functions within a single device structure. It can perform both normal USB communication functions and internal device access functions using the same physical USB cable and connector. The device universally handles both power supply and communication through the same interface, adapting its function based on the connection status rather than requiring separate dedicated paths.
Solution Approach 2:
The semiconductor device acts as an intermediary that manages the USB cable resources. It controls the switching between power supply line and communication line based on the detection result, mediating the resource allocation dynamically. This intermediary control enables the system to adapt to different access scenarios without requiring complex external control logic.
Data Source
AI summary
The disclosed invention is to provide a semiconductor device enabling it to access an internal device within a USB cable in a simple way. Disclosed is a semiconductor device which is able to be coupled to at least one USB cable and which includes a decision unit that decides whether or not an opposite-end device is detected through the USB cable; and a control unit that, if the decision unit has judged that the opposite-end device is not detected through the USB cable, supplies one of two signal lines which are coupled to an internal device within the USB cable with a power supply voltage and implements control of communication with the internal device within the USB cable through the other one of the signal lines.