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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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RM0319 Fiches technique(PDF) 260 Page - STMicroelectronics |
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RM0319 Fiches technique(HTML) 260 Page - STMicroelectronics |
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260 / 368 page  Analog-to-digital converter (ADC) RM0319 260/368 Doc ID 022640 Rev 3 By reading the sum of the conversion results, software can use decimation or interpolation averaging methods to obtain higher resolution (> 10-bits). By oversampling 4 times, the resolution can be increased by 1 bit, by oversampling 16 times resolution can be increased by 2 bits and so on. Instead of dividing the sum of the converted results by NSAMPLES as in normal averaging, the sum of the samples read from the AVERAGE register should be right shifted n bits, where n is the desired number of bits of resolution. In enhanced mode (ENM=1) and if High resolution mode is enabled (HIGHRESOLUTION=1), the number of samples can be defined individually for each channel in the CHx_CTRL registers and the sum of the converted results can be read from the CHx_DATA registers. |
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