31.5.7 ADREF
| Name: | ADREF |
| Offset: | 0x1D2B |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| PREF[1:0] | |||||||||
| Access | R/W | R/W | |||||||
| Reset | 0 | 0 | |||||||
Bits 1:0 – PREF[1:0] ADC Positive Voltage Reference Selection
| Value | Description |
|---|---|
| 11 | VREF+ is connected to internal Fixed Voltage Reference (FVR) module |
| 10 | VREF+ is connected to external VREF+ |
| 01 | Reserved |
| 00 | VREF+ is connected to VDD |