Zonal Gateway Controller RISC CISC Instruction Conversion
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Solution Overview
Problem
Conventional zonal-based gateway controllers in automotive electronics are either software-centric and inefficient or overly complex, failing to effectively manage power and communication across vehicle zones with sufficient scalability and performance.
Innovation Solution
A hardware and software-based approach using RISC or CISC instruction sets to integrate action processing functions into a gateway controller, specifically a zonal gateway controller, which includes processing circuitry to convert instruction information into RISC or CISC instructions for executing processing tasks, enabling efficient synthesis and integration of matching and action processing stages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a software-centric approach is used for zonal gateway controllers, then implementation flexibility is improved, but processing efficiency and performance deteriorate
Solution Approach 1:
The patent combines software flexibility with hardware acceleration by integrating a RISC processor core with dedicated hardware modules for matching and action processing. The processor executes software instructions while hardware modules handle specific processing tasks in parallel, achieving both flexibility and high performance.
Solution Approach 2:
The gateway controller is designed as a universal platform that can handle multiple network protocols (CAN, LIN, FlexRay, Ethernet) and various processing tasks (routing, filtering, policing, encryption) through a single integrated architecture with programmable instruction sets and configurable hardware modules.
2Stability of the object's composition
If conventional gateway architectures are used, then compatibility with existing systems is maintained, but scalability and performance for next-generation automotive networks deteriorate
Solution Approach 1:
The gateway controller employs a dynamic architecture where the RISC processor can load and execute different instruction sets to adapt to various network protocols and processing requirements. The hardware modules are configurable through software instructions, allowing the system to dynamically adjust its behavior for different automotive network standards while maintaining stable operation.
3Adaptability or versatility
If complex processing functions are integrated into the gateway controller, then functionality and versatility are improved, but device complexity and manufacturing difficulty worsen
Solution Approach 1:
The gateway controller architecture segments processing functions into distinct modules: a RISC processor core for control logic, separate hardware modules for matching and action processing, and dedicated interfaces for different network protocols. This modular segmentation reduces manufacturing complexity while maintaining high functionality.
4Loss of time
If ultra-low latency processing is implemented, then real-time performance is improved, but system complexity and energy consumption worsen
Solution Approach 1:
The gateway controller performs preliminary processing actions by using hardware modules to handle matching and action execution in parallel with data reception. The RISC processor prepares instruction sets in advance, and hardware modules pre-process data frames before full processing is required, reducing latency without proportionally increasing complexity.
Data Source
AI summary
A device is configured to receive one or more input frames of bits, wherein the one or more input frames comprise data and instruction information that indicates one or more processing tasks to be executed on the data. Further, the device is configured to convert the instruction information into one or more Reduced Instruction Set Computer (RISC) instructions or one or more Complex Instruction Set Computer (CISC) instructions, where the one or more RISC instructions are selected from an RISC instruction set, and the one or more CISC instructions are selected from an CISC instruction set. The device is configured to execute the one or more processing tasks on the data of the one or more input frames based on the one or more RISC instructions or the one or more CISC instructions.