topic Confusing ADC Input channels in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/Confusing-ADC-Input-channels/m-p/527617#M9432 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by rlund on Tue Jan 19 13:27:55 MST 2016</STRONG><BR /><SPAN>I have a couple of questions regarding use of the ADC.&nbsp; I am using the 256 pin package of the 18xx chip</SPAN><BR /><BR /><SPAN>---------------------------------------------------------------------------------------------------------------------------------</SPAN><BR /><SPAN>Everywhere in the documentation states that the input channels for ADC0 and ADC1 are tied together.&nbsp; </SPAN><BR /><STRONG>1. What is the benefit of this? Wouldn't it be more useful if the two ADC's had separate input channels?</STRONG><BR /><SPAN>Only thing I could think of would be to set up two different conversion timings/triggerings.&nbsp; Even though you'd be reading from the same inputs.</SPAN><BR /><BR /><SPAN>--------------------------------------------------------------------------------------------------------------------------------</SPAN><BR /><SPAN>The pin configuration portion of the user manual has some confusing labels. </SPAN><BR /><STRONG>2. Am I correct in assuming that ADC0_1 input channel, located on P4_1 is essentially the SAME as ADC1_1 input channel located on PC_0?&nbsp; Why are there two different names?</STRONG><BR /><SPAN>The analog pin section seems to more accurately describe the same input channel signal as "ADC0_1/ADC1_1"&nbsp; Also, on the 256 pin package, this means you have 3 options for each input channel.</SPAN><BR /><BR /><SPAN>--------------------------------------------------------------------------------------------------------------------------------</SPAN><BR /><SPAN>Thank you in advance, just want to verify my understanding is correct.</SPAN><BR /><BR /><BR /></BODY></HTML> Wed, 15 Jun 2016 18:15:19 GMT lpcware 2016-06-15T18:15:19Z Confusing ADC Input channels https://community.nxp.com/t5/LPC-Microcontrollers/Confusing-ADC-Input-channels/m-p/527617#M9432 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by rlund on Tue Jan 19 13:27:55 MST 2016</STRONG><BR /><SPAN>I have a couple of questions regarding use of the ADC.&nbsp; I am using the 256 pin package of the 18xx chip</SPAN><BR /><BR /><SPAN>---------------------------------------------------------------------------------------------------------------------------------</SPAN><BR /><SPAN>Everywhere in the documentation states that the input channels for ADC0 and ADC1 are tied together.&nbsp; </SPAN><BR /><STRONG>1. What is the benefit of this? Wouldn't it be more useful if the two ADC's had separate input channels?</STRONG><BR /><SPAN>Only thing I could think of would be to set up two different conversion timings/triggerings.&nbsp; Even though you'd be reading from the same inputs.</SPAN><BR /><BR /><SPAN>--------------------------------------------------------------------------------------------------------------------------------</SPAN><BR /><SPAN>The pin configuration portion of the user manual has some confusing labels. </SPAN><BR /><STRONG>2. Am I correct in assuming that ADC0_1 input channel, located on P4_1 is essentially the SAME as ADC1_1 input channel located on PC_0?&nbsp; Why are there two different names?</STRONG><BR /><SPAN>The analog pin section seems to more accurately describe the same input channel signal as "ADC0_1/ADC1_1"&nbsp; Also, on the 256 pin package, this means you have 3 options for each input channel.</SPAN><BR /><BR /><SPAN>--------------------------------------------------------------------------------------------------------------------------------</SPAN><BR /><SPAN>Thank you in advance, just want to verify my understanding is correct.</SPAN><BR /><BR /><BR /></BODY></HTML> Wed, 15 Jun 2016 18:15:19 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Confusing-ADC-Input-channels/m-p/527617#M9432 lpcware 2016-06-15T18:15:19Z