Freescale HCS12 microcontroller data Features: 8/10 bit accuracy • 7 us, 10-bit single conversion time. • Sampling buffer amplifier • Programmable sampling time • Left/right alignment, signed/unsigned result data • External trigger control • Conversion completion interrupt • Analog input 8 channel multiplexing • Analog/digital input pin multiplexing • 1 to 8 conversion sequence length • Continuous conversion mode • Multi-channel scanning mode The conversion sequence length is the number of channels to be converted. For example: Channels 0, 1, and 2 are used as AD acquisition channels, so the conversion sequence is 3, that is, S2C=1, S1C=1 In control register 5 ATD0CTL5: Set CC CB CA = 0 0 0, the conversion sequence starts from channel 0; ATD0DR0, ATD0DR1, and ATD0DR2 store the conversion results Set CC CB CA = 0 1 0, the conversion sequence starts from channel 2. It is still ATD0DR0, ATD0DR1, and ATD0DR2 that store the conversion results
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