Memory Controller PHY Power-On Processing Distribution
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Solution Overview
Problem
Existing memory controller systems rely exclusively on the memory controller for initialization and training operations during power-on processing, lacking flexibility and efficiency in adapting to different memory devices and industry standards, with physical interface components being passive and unable to independently actuate these operations.
Innovation Solution
A system and method that selectively distribute actuation control for power-on processing operations between the memory controller and physical interface (PHY) portions, allowing the PHY to independently actuate initialization and training operations, enhancing adaptability and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the memory controller exclusively executes initialization and training operations during power-on processing, then the system maintains compliance with industry standards, but the physical interface component remains passive and the system lacks flexibility and efficiency in adapting to different memory devices
Solution Approach 1:
The patent segments the power-on processing operations by creating separate power-on blocks in both the memory controller and the physical interface component. Each power-on block can independently execute initialization and training operations, dividing the previously centralized control function into distributed segments that operate autonomously based on configuration settings.
2Productivity
If the memory controller exclusively executes initialization and training operations, then the control structure remains simple and centralized, but the physical interface component cannot independently actuate operations and the system efficiency decreases especially at higher frequencies
Solution Approach 1:
The physical interface component is equipped with its own power-on block that can independently execute initialization and training operations without requiring continuous control from the memory controller. This self-service capability allows the physical interface to autonomously adapt to different memory devices, improving processing efficiency while maintaining operational flexibility through configurable control modes.
3Adaptability or versatility
If the physical interface component is expanded to independently actuate initialization and training operations, then the system flexibility and efficiency improve, but the device complexity increases requiring selective distribution of control
Solution Approach 1:
The control structure is made dynamic through configuration registers that allow the system to selectively enable or disable the independent operation capability of the physical interface component's power-on block. This dynamic configurability enables the system to adapt between centralized and distributed control modes based on specific application requirements, balancing flexibility and complexity.
Data Source
AI summary
A system and method are provided for memory control, having selectively distributed power-on processing. A memory controller executes responsive to a master control operation to actuate a plurality of operational tasks on a memory device. The memory controller includes a first power-on block executable to actuate one or both of initialization and training operations corresponding to the memory device. A PHY portion coupled to the memory controller portion executes to adaptively configure control, address, and data signals for physically compatible passage between the controller portion and memory device. The PHY portion includes a second power-on block executable to actuate one or both of an initialization operation and a training operation corresponding to the memory device. The PHY portion is configured according to the initialization and training operations, wherein each of the initialization and training operations are selectively actuated responsive to one of the power-on blocks.