topic Re: MM912J637 Vref Setting in S12 / MagniV Microcontrollers https://community.nxp.com/t5/S12-MagniV-Microcontrollers/MM912J637-Vref-Setting/m-p/398771#M10963 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>looking at the datasheet it seems like it is not possible to change Vref.</P><P>In the Current and Voltage Measurement (section 4.8.3), there is described Gain Control Block (GCB). It mentions Vref in the Table 99., but this is related to PGA and not the ADC.</P><P></P><P>It looks like ADC reference voltage is fixed.</P></BODY></HTML> Tue, 14 Apr 2015 10:29:15 GMT iggi 2015-04-14T10:29:15Z MM912J637 Vref Setting https://community.nxp.com/t5/S12-MagniV-Microcontrollers/MM912J637-Vref-Setting/m-p/398770#M10962 <HTML><HEAD></HEAD><BODY><P>Hi!</P><P>I am working on MM912J637 iBS. How can i change Vref for the&nbsp; inbuilt adc ? I am not able to find&nbsp; a specific vref setting in the datasheet. Can someone please suggest a solution? </P><P>Thanks .&nbsp; </P></BODY></HTML> Fri, 10 Apr 2015 18:13:21 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/MM912J637-Vref-Setting/m-p/398770#M10962 mrunaljoshi 2015-04-10T18:13:21Z Re: MM912J637 Vref Setting https://community.nxp.com/t5/S12-MagniV-Microcontrollers/MM912J637-Vref-Setting/m-p/398771#M10963 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>looking at the datasheet it seems like it is not possible to change Vref.</P><P>In the Current and Voltage Measurement (section 4.8.3), there is described Gain Control Block (GCB). It mentions Vref in the Table 99., but this is related to PGA and not the ADC.</P><P></P><P>It looks like ADC reference voltage is fixed.</P></BODY></HTML> Tue, 14 Apr 2015 10:29:15 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/MM912J637-Vref-Setting/m-p/398771#M10963 iggi 2015-04-14T10:29:15Z