30.2.2 Signal Description
| Pin Name | Type | Description | 
|---|---|---|
| AIN[n:0] | Analog input | Analog input pin | 
| VREFA | Analog input | External voltage reference pin | 
| Pin Name | Type | Description | 
|---|---|---|
| AIN[n:0] | Analog input | Analog input pin | 
| VREFA | Analog input | External voltage reference pin | 
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