| ??? 03/22/06 18:44 Read: times |
#112807 - A/D range Responding to: ???'s previous message |
Vref is generally speaking the voltage applied to the power pin of the CPU (but consult data sheet for the truth) and this is what all input voltages are measured against. Erik is saying that you can't measure anything higher than (for example) 3v.
So you need to divide your 5v down into the usable range of the A/D. For best resolution, you want to have the maximum voltage applied to the A/D to be approximately, but not above, the Vref. |
| Topic | Author | Date |
| LPC93X Family A/D Conveter #2 | 01/01/70 00:00 | |
| Irrelevant, see above | 01/01/70 00:00 | |
| I have that | 01/01/70 00:00 | |
| A/D range | 01/01/70 00:00 | |
| P89LPC936 Datat sheet | 01/01/70 00:00 | |
| Getting the same reading twice! | 01/01/70 00:00 | |
I do not know, bur CodeArchitect does | 01/01/70 00:00 |