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  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Overview of C2000™ MCU Devices in Appliances
  6. 3Introduction of IEC/UL 60730-1/60335-1 Standards
  7. 4Diagnostic Libraries for UL/IEC 60730-1/60335-1 Provided by C2000™
    1. 4.1 Stack Overflow Detection
    2. 4.2 Watchdog
    3. 4.3 CPU and FPU Registers
    4. 4.4 Program Counter (PC)
    5. 4.5 Clock
    6. 4.6 RAM
    7. 4.7 Flash
    8. 4.8 ADC
    9. 4.9 Cycle Time and Memory Usage
  8. 5References

Introduction

As technologies development, the functionality of appliances becomes increasingly powerful, leading to a growing complexity in the electrical systems. Consequently, MCUs which possess numerous features and ample resources, play a pivotal role in this domain. In response to the market demand for safer, smarter, and more energy-efficient household appliances, a series of worldwide standards were introduced. The majority of these standards are built upon the foundation of IEC/UL 60730-1, which specifically addresses the MCU and the automatic control component in household appliances. IEC/UL 60335-1, conversely, serves as the safety standard for appliances, with the MCU section directly referencing the requirements set forth in IEC/UL 60730-1.

UL certification enjoys high visibility and recognition globally, and VDE certification is regarded as a hallmark of quality for electrical products especially in the European market. The evaluation criteria for MCU in both UL and VDE certifications align closely with those specified in IEC/UL 60730-1, albeit with higher requirements in certain aspects emphasized by VDE.

Texas Instruments (TI) boasts a diverse range of MCU product lines, and TI's C2000 MCU series stands out with abundant peripheral resources, robust central processing unit (CPU) core, and cost-effectiveness. Additionally, the series is accompanied by a comprehensive diagnostic library, which enables the fulfillment of appliances functionality requirements and UL/IEC 60730-1/60335-1 certification requirement at a low cost and within a short development cycle.