HT32 UL/IEC 60730-1 Class B Safety Test Library User's Guide
The International Electrotechnical Commission (IEC) has produced the safety standard IEC 60730 for household appliance development. The IEC 60730-1 standard (Automatic electrical controls for household and similar use - Part 1: General requirements) defines the test and diagnostic methods that ensure the safe operation of the controlled equipment used in household appliances. Annex H is the key part that classifies the software into three categories, Class A, B, and C. Holtek provides an HT32 Safety Test Library (hereinafter referred to as “HT32 STL”) for Class B control functions which are intended to prevent unsafe appliance operation. An example of this could be thermal cut-offs and door locks for laundry equipment. Class B covers a large range of household appliances, including dishwashers, washing machines, refrigerators, freezers, and cookers. According to the IEC 60730, household appliance manufacturers must now design their products following Class B rules.
This document describes the functions, environment, system architecture, and usage of the Holtek HT32 STL for IEC 60730-1 Class B certification. The HT32 STL applies to almost all of the HT32 Cortex®-Mx 32-bit MCU series devices. It provides Class B self-test functions including CPU Register, Program Counter, Interrupt, Clock, Invariable Memory (Flash Memory), Variable Memory (SRAM), Digital I/O, Analog I/O which are defined in Table H11.12.7 in Annex H of IEC 60730-1. The HT32 STL can help users reduce the development time for the self-test functions and accelerate the process to obtain certification.
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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May 5, 2020 |
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V1.00 |
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AN0554EN |
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1.8 MB |
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