Luminary Micro is providing an IEC 60730 Class B test library to support its microcontroller customers in the Class B certification process.
Manufacturers of household appliances must take steps to ensure safe and reliable operation of their products in order to meet the IEC 60730 standard. Annex H of this standard covers the aspects most relevant to microcontrollers, including the three software classifications defined for automatic electronic controls. Most home appliances fall into the Class B classification.
Current and future Stellaris microcontrollers are designed specifically for safety-critical industrial and consumer applications, offering integrated features such as high-reliability automotive-grade Flash memory, up to two watchdog timers that take advantage of the non-maskable interrupt (NMI) handler safety feature of the ARM Cortex-M3 processor, and deterministic, fast interrupt processing through the nested vectored interrupt controller (NVIC).
Some Stellaris family members also offer an integrated precision oscillator to supply an independent time base when periodic safety tests are executed. In addition, select Stellaris microcontrollers include ROM preloaded with a cyclic redundancy check (CRC) function, which is especially useful in verifying the contents of the Stellaris microcontroller’s memory.
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