Microcontroller with Integrated GPU and Cycle State Machine

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Solution Overview

Problem

Current microcontroller technologies require external controllers or complex internal circuitry to support graphical displays and other output devices, making them inflexible and costly, especially for cost-sensitive applications that need to adapt to changing user requirements or display technologies.

Innovation Solution

A microcontroller with a programmable cycle state machine and special instruction processing unit that allows direct connection to various LCD modules without additional timing or addressing logic, enabling efficient data transfer and control signal management for a wide range of display technologies, thereby eliminating the need for external controllers and complex circuitry.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a microcontroller uses external controllers or complex internal circuitry to support graphical displays, then display functionality is achieved, but device complexity and cost increase

Engineering Contradiction:
Improvedisplay support capabilityVSAvoidcircuitry complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines the microcontroller, programmable cycle state machine, and special instruction processing unit into a single integrated device. This merging eliminates the need for external controllers and reduces overall system complexity while maintaining full graphical display support capability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The microcontroller is designed with universal support for multiple display technologies (LCD, OLED, e-paper, etc.) through its programmable cycle state machine and SIPU. This multi-functionality allows a single device to adapt to various display types without requiring technology-specific external controllers.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Productivity

If custom ASICs are used to support specific display technologies, then display performance is optimized, but manufacturing cost and project risk increase

Engineering Contradiction:
Improvedisplay rendering efficiencyVSAvoidmanufacturing flexibility
Core Design Contradiction:
ProductivityVSEase of manufacture

Solution Approach 1:

The patent implements a dynamically reconfigurable system where the programmable cycle state machine and SIPU can be programmed to support different display technologies and requirements. This dynamic capability replaces static custom ASICs, allowing manufacturers to adapt to market changes without expensive retooling while maintaining optimized performance for each display type.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system allows parameter changes in display support by reprogramming the cycle state machine and SIPU instructions. This enables the same hardware to be optimized for different display technologies (LCD, OLED, e-paper) through software configuration rather than hardware redesign, reducing manufacturing costs and project risk.

Inventive Principle:
Principle #35Parameter changes

3Adaptability or versatility

If external controllers are used to interface with output devices, then device functionality is achieved, but system cost and complexity increase

Engineering Contradiction:
Improveoutput device compatibilityVSAvoidsystem component count
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges the output device interface control functionality directly into the microcontroller through the programmable cycle state machine and SIPU. This integration eliminates external controllers while maintaining compatibility with various output devices including displays, sensors, and communication interfaces.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The microcontroller performs self-service by handling all output device interfacing internally through its integrated cycle state machine and special instruction processing unit. This self-sufficiency eliminates the need for external controllers, reducing system complexity and component count while maintaining full output device compatibility.

Inventive Principle:
Principle #25Self-service

Data Source

PatentEP2342656B1Microcontroller with integrated graphical processing unit
Publication Date: 2019.09.04 MICROCHIP TECHNOLOGY INC
  • EP2342656B1 patent drawingFigure 1~2
  • EP2342656B1 patent drawingFigure 3~4
  • EP2342656B1 patent drawingFigure 5

AI summary

A microcontroller with an integrated special instruction processing unit and a programmable cycle state machine. The special instruction processing unit allows offloading of intensive processing of output data and the programmable cycle state machine minimizes the amount of customized, off chip circuitry necessary to connect the microcontroller to an external display.