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EM6617 Datasheet(PDF) 35 Page - EM Microelectronic - MARIN SA |
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EM6617 Datasheet(HTML) 35 Page - EM Microelectronic - MARIN SA |
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35 / 65 page 
EM6617 Copyright © 2005, EM Microelectronic-Marin SA 35 www.emmicroelectronic.com 10.3 2-Channel ADC registers Table 10.3.1 ADC control register RegADCCntl Bit Name Reset R/W Description 3 StartConvert 0 W Start conversion 3 ADCBusy R ADC busy flag 2 Single 0 R/W Single mode 1 ChannelSelB 0 R/W Input channel selection 0 ChannelSelA 0 R/W Input channel selection Default : continuous mode, Vref pad as input channel Table 10.3.2 Input channel selection ChannelSelA ChannelSelB Input channel 0 0 Vref pad 0 1 Bin 1 0 Ain 1 1 Vgnd Table 10.3.3 ADC data low register RegADCDataL Bit Name Reset R/W Description 3 ADCdata[3] 0 R/W ADC data bit 3 2 ADCdata[2] 0 R/W ADC data bit 2 1 ADCdata[1] 0 R/W ADC data bit 1 0 ADCdata[0] 0 R/W ADC data bit 0 Table 10.3.4 ADC data high register RegADCDataH Bit Name Reset R/W Description 3 ADCdata[7] 0 R/W ADC data bit 7 2 ADCdata[6] 0 R/W ADC data bit 6 1 ADCdata[5] 0 R/W ADC data bit 5 0 ADCdata[4] 0 R/W ADC data bit 4 Table 10.3.5 Control register RegSysCntl3 Bit Name Reset R/W Description 3 Vref1/2Sel 0 Reference voltage selection for ADC 2 -- 1 NoOscWD 0 R/W No oscillator watchdog 0 NoLogicWD 0 R/W No logic watchdog Default : external Vref for the voltage reference |
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