I use a single-chip microcomputer and a telephone dial chip. How can I know if the other party is busy after dialing? Should I answer the call? Are there differences between normal ringback tones and
summaryImportance of magnetic components to power convertersDesign considerations and corresponding models for magnetic componentsEffect of Magnetic Component Model Parameters on Circuit PerformanceTr
Yesterday I tried the comparator and ADC functions of SAM R21 again. Let me talk about the use of the comparator first. From the data sheet, we can see that the comparator uses the PA04-PA07 pins, whi