IDE Host Slave Chip Self-Debugging via Segmentation
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Solution Overview
Problem
Debugging of IDE host and slave components on the same chip is complex due to their integrated nature, making isolated debugging difficult.
Innovation Solution
A chip with separate debugging modes for IDE host and slave, featuring switches that direct data flow between internal and external components based on debug enable signals, allowing for isolated debugging of each component.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If IDE host and IDE slave are fabricated on the same chip, then chip size and cost are reduced, but debugging complexity increases
Solution Approach 1:
The chip is segmented into distinct functional modules: an IDE host module and an IDE slave module. Each module can be independently activated or deactivated through control signals, allowing the debugging system to isolate and test individual components separately despite their physical integration on the same chip.
Solution Approach 2:
A control signal mechanism acts as an intermediary between the debugging interface and the integrated IDE modules. By using debug enable signals (HOSTDEN and SLAVEDEN), the system can selectively activate either the host or slave module during debugging, effectively mediating access to the integrated components and simplifying the debugging process.
2Ease of manufacture
If IDE host and IDE slave are fabricated on the same chip, then manufacturing cost is reduced, but isolated debugging becomes difficult
Solution Approach 1:
The chip incorporates dynamic control capabilities through debug enable signals that can change the operational state of the IDE modules in real-time. The HOSTDEN and SLAVEDEN signals dynamically activate or deactivate specific modules, allowing the system to transition between integrated operation mode and isolated debugging mode as needed.
Solution Approach 2:
The system changes operational parameters through control signals to achieve different functional states. By modifying the state of debug enable signals (HOSTDEN and SLAVEDEN), the system can switch between normal integrated operation and various debugging modes, effectively using parameter changes to facilitate isolated debugging of individual modules.
3Reliability
If debugging is performed on integrated host and slave together, then chip functionality is maintained, but debugging process becomes complex
Solution Approach 1:
The chip is designed with preliminary debugging capabilities built into its architecture. Debug interfaces and control signal pathways are pre-configured during chip fabrication, allowing debugging functions to be activated without adding external complexity. The debug enable signals are prepared in advance to control module activation sequences.
Data Source
AI summary
A chip with IDE host and IDE slave and corresponding self-debugging function is provided. The chip simplifies IDE debugging of a chip, which comprises a front-end and a backend, by offering separate debugging modes for an IDE host and an IDE slave on the same chip. The front-end provides output data of an internal IDE slave or output data of an external IDE slave in response to a host debug enable signal. The backend is coupled to the front-end. The backend provides functions of an internal IDE host according to the output data of the internal IDE slave or the external IDE slave, or directs the output data of the internal IDE slave to an external IDE host in response to a slave debug enable signal.