These bits define the MUX selection for the
positive ADC input. If the internal bandgap voltage or temperature sensor input
channel is selected, then the Sampling Time Length bit group in the Sampling Control
register must be written with a corresponding value.
Value | Name | Description |
---|
0x00 |
AIN0 |
ADC AIN0 pin |
0x01 |
AIN1 |
ADC AIN1 pin |
0x02 |
AIN2 |
ADC AIN2 pin |
0x03 |
AIN3 |
ADC AIN3 pin |
0x04 |
AIN4 |
ADC AIN4 pin |
0x05 |
AIN5 |
ADC AIN5 pin |
0x06 |
AIN6 |
ADC AIN6 pin |
0x07 |
AIN7 |
ADC AIN7 pin |
0x08 |
AIN8 |
ADC AIN8 pin |
0x09 |
AIN9 |
ADC AIN9 pin |
0x0A |
AIN10 |
ADC AIN10 pin |
0x0B |
AIN11 |
ADC AIN11 pin |
0x0C |
AIN12 |
ADC AIN12 pin |
0x0D |
AIN13 |
ADC AIN13 pin |
0x0E |
AIN14 |
ADC AIN14 pin |
0x0F |
AIN15 |
ADC AIN15 pin |
0x10 |
AIN16 |
ADC AIN16 pin |
0x11 |
AIN17 |
ADC AIN17 pin |
0x12 |
AIN18 |
ADC AIN18 pin |
0x13 |
AIN19 |
ADC AIN19 pin |
0x14 - 0x17 |
- |
Reserved |
0x18 |
TEMP |
Temperature Sensor |
0x19 |
BANDGAP |
Bandgap Voltage |
0x1A |
SCALEDCOREVCC |
1/4 Scaled Core Supply |
0x1B |
SCALEDIOVCC |
1/4 Scaled I/O Supply |
0x1C |
DAC |
DAC
Output |
0x1D |
SCALEDVBAT |
1/4 Scaled VBAT Supply |
0x1E |
OPAMP01 |
OPAMP0 or OPAMP1
output |
0x1F |
OPAMP2 |
OPAMP2
output |