Yes, pull ups disabled Even if I pull the input to GND it still reads 1023 I'll be back on it tonight so will try a few other ideas. Dave. From: AVR-Chat@yahoogroups.com [mailto:AVR-Chat@yahoogroups.com] On Behalf Of John Samperi Sent: 14 May 2013 09:57 To: AVR-Chat@yahoogroups.com Subject: Re: [AVR-Chat] Can you have split ADC usage At 12:23 PM 14/05/2013, you wrote: >Is it possible to use the ADC on PortA on only 2 channels, ie mixed digital >and analog like this? Yes, do it all the time. >I have tried but the 2 ADC channels (1 and 2) are always returning a 1023 >bit reading. >I have disabled the digital on those 2 channels. Have you also disabled the pull up resistors? Regards John Samperi ******************************************************** Ampertronics Pty. Ltd. 11 Brokenwood Place Baulkham Hills, NSW 2153 AUSTRALIA Tel. (02) 9674-6495 Website http://www.ampertronics.com.au *Electronic Design * Custom Products * Contract Assembly ******************************************************** <http://groups.yahoo.com/group/AVR-Chat/post;_ylc=X3oDMTJxMHRydWRsBF9TAzk3Mz U5NzE0BGdycElkAzQzMTM5NzQEZ3Jwc3BJZAMxNzA2NTU0MjA1BG1zZ0lkAzE4NDc0BHNlYwNmdH IEc2xrA3JwbHkEc3RpbWUDMTM2ODUwMDIxNw--?act=reply&messageNum=18474> Reply via web post <mailto:samperi@ampertronics.com.au?subject=Re%3A%20%5BAVR-Chat%5D%20Can%20y ou%20have%20split%20ADC%20usage> Reply to sender <mailto:AVR-Chat@yahoogroups.com?subject=Re%3A%20%5BAVR-Chat%5D%20Can%20you% 20have%20split%20ADC%20usage> Reply to group <http://groups.yahoo.com/group/AVR-Chat/post;_ylc=X3oDMTJlZTdjdjl2BF9TAzk3Mz U5NzE0BGdycElkAzQzMTM5NzQEZ3Jwc3BJZAMxNzA2NTU0MjA1BHNlYwNmdHIEc2xrA250cGMEc3 RpbWUDMTM2ODUwMDIxNw--> Start a New Topic <http://groups.yahoo.com/group/AVR-Chat/message/18473;_ylc=X3oDMTM2OGlpZHVtB F9TAzk3MzU5NzE0BGdycElkAzQzMTM5NzQEZ3Jwc3BJZAMxNzA2NTU0MjA1BG1zZ0lkAzE4NDc0B HNlYwNmdHIEc2xrA3Z0cGMEc3RpbWUDMTM2ODUwMDIxNwR0cGNJZAMxODQ3Mw--> Messages in this topic (2) Recent Activity: <http://groups.yahoo.com/group/AVR-Chat;_ylc=X3oDMTJlaW5sODd0BF9TAzk3MzU5NzE 0BGdycElkAzQzMTM5NzQEZ3Jwc3BJZAMxNzA2NTU0MjA1BHNlYwN2dGwEc2xrA3ZnaHAEc3RpbWU DMTM2ODUwMDIxNw--> Visit Your Group <http://groups.yahoo.com/;_ylc=X3oDMTJkMHE5aW4xBF9TAzk3MzU5NzE0BGdycElkAzQzM TM5NzQEZ3Jwc3BJZAMxNzA2NTU0MjA1BHNlYwNmdHIEc2xrA2dmcARzdGltZQMxMzY4NTAwMjE3> Image removed by sender. Yahoo! Groups Switch to: <mailto:AVR-Chat-traditional@yahoogroups.com?subject=Change%20Delivery%20For mat:%20Traditional> Text-Only, <mailto:AVR-Chat-digest@yahoogroups.com?subject=Email%20Delivery:%20Digest> Daily Digest . <mailto:AVR-Chat-unsubscribe@yahoogroups.com?subject=Unsubscribe> Unsubscribe . <http://docs.yahoo.com/info/terms/> Terms of Use . <mailto:ygroupsnotifications@yahoogroups.com?subject=Feedback%20on%20the%20r edesigned%20individual%20mail%20v1> Send us Feedback [Non-text portions of this message have been removed]
Message
RE: [AVR-Chat] Can you have split ADC usage
2013-05-14 by Dave McLaughlin
Attachments
- No local attachments were found for this message.