Hello William, Thank you for your reply. I didn't even notice your 'typo' until you mentioned it. :) Yeah, I understand what you are getting at. Thankfully, all AIN pin are not far under Sitara, so adding another trace doesn't look too difficult.
David On Fri, Jun 9, 2017 at 2:03 PM, William Hermans <[email protected]> wrote: > Sorry, AIN0-AIN6, but you got the idea already hopefully. And just to be > clear, you would only need one pf the ADC lines, not all 7. > > On Fri, Jun 9, 2017 at 11:57 AM, William Hermans <[email protected]> > wrote: > >> >> >> On Fri, Jun 9, 2017 at 11:47 AM, David McRell < >> [email protected]> wrote: >> >>> Hello, >>> >>> What is the purpose of the resistor divider connected to AIN7? What >>> software is dependent on this, if any? >>> >>> Is this only a convenient connection to quickly test ADC functionality? >>> I find no mention of AIN7 here, e2e.ti.com or on the web that >>> convincingly indicates otherwise. >>> >>> I realize AIN requires 1V8 maximum, hence the divider given the 3V3 >>> input. >>> >>> I'd like to use AIN7 as general purpose ADC of thermistor. >>> >>> Kind Regards, >>> David McRell >>> >> >> It might be better to just use a pin multiplexer, then use AIN1-6. We did >> that for one of our projects, and it works great. Also keep in mind that >> this would not slow down reading from the ADC much, if at all. A simple >> "line select" with a GPIO based multiplexer could be really fast. >> > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to a topic in the > Google Groups "BeagleBoard" group. > To unsubscribe from this topic, visit https://groups.google.com/d/ > topic/beagleboard/GU8gAuj9Oxc/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/beagleboard/CALHSORqXJPQfB4CB03Zi87JWhhg_aR-CrQizCd%3Dt-7vcqWTPDQ% > 40mail.gmail.com > <https://groups.google.com/d/msgid/beagleboard/CALHSORqXJPQfB4CB03Zi87JWhhg_aR-CrQizCd%3Dt-7vcqWTPDQ%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAEv5bO25%3DubbCHc5GnFbO4rJjoAMJfKR2_JnX2fjnh5SquEA3g%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
