42.8.9 Input Control

Name: INPUTCTRL
Offset: 0x08
Reset: 0x0000
Property: PAC Write-Protection, Write-Synchronized

Bit 15141312111098 
    MUXNEG[4:0] 
Access R/WR/WR/WR/WR/W 
Reset 00000 
Bit 76543210 
    MUXPOS[4:0] 
Access R/WR/WR/WR/WR/W 
Reset 00000 

Bits 12:8 – MUXNEG[4:0] Negative MUX Input Selection

These bits define the MUX selection for the negative ADC input.

ValueNameDescription
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 - 0x17 - Reserved
0x18 GND Internal ground
0x19 - 0x1F - Reserved

Bits 4:0 – MUXPOS[4:0] Positive MUX Input Selection

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.

ValueNameDescription
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