43.4 Signal Description
| Signal | Type | Description |
|---|---|---|
| AVDD | Power | Analog Power Supply |
| AVSS | Power | Analog Ground Supply |
| ADC_VREFP0 | Reference | External voltage reference |
| ADC VINPx, VINMy, x=0-11, y=0, 2, 4, x =0,1,…,11 | Analog | VINPx/VINMy Analog inputs for ADC Module 0 |
Note:
- Channel 12 is attached internally to the Temperature Sensor Monitor.
- Channel 13 is attached internally to the IVREF, Band Gap 1.2 Volt Monitor.
Note: Please consult the section Signal
Description and ADC Pinout I/O Description table to determine which pins
provide which input signals, depending on the device package in use.
All the VINPx signals listed above can be used for single-ended input. Only 3 specific VINPx inputs can be combined with the VINMx inputs for differential measurements.
- (ADC_VINP0 (Diff +) , ADC_VINM0 (Diff -) )
- (ADC_VINP2 (Diff +) , ADC_VINM2 (Diff -) )
- (ADC_VINP4 (Diff +) , ADC_VINM4 (Diff -) )
These pairs are configured in the CHNCFG3n (n=1,2,3) register by setting the DIFF bits corresponding to the signal pairs in use.