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To transform an analog signal into a digital one, the analog-to-digital converter (ADC) samples the input at fixed interval and do the conversion. | 11:55:05 Chapter 8 Analog-to-Digital Converter 11:55:05 8.1 Introduction To transform an analog signal into a digital one, the analog-to-digital converter (ADC) samples the input at fixed interval and do the conversion Microcomputer principles and applications 11:55:05 8.1 Introduction Microcomputer principles and applications 11:55:05 8.1 Introduction MSP430 may contain one or more converters: • • • Comparator: Compare the voltages on its two input terminals and return 0 or 1, e.g., Comparator_A+ Successive-approximation ADC: Use binary search to determine the closest digital representation of the input signal, e.g., ADC10 and ADC12 to give 10 and 12 bits of output Sigma-delta ADC: A more complicated ADC that gives higher resolution (more bits) but at a slower speed, e.g., SD16 and SD16_A, both of which give a 16-bit output Microcomputer principles and applications 11:55:05 8.1 Introduction Microcomputer principles and .
