41.8.9 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
0x00AIN0ADC AIN0 pin
0x01AIN1ADC AIN1 pin
0x02AIN2ADC AIN2 pin
0x03AIN3ADC AIN3 pin
0x04AIN4ADC AIN4 pin
0x05AIN5ADC AIN5 pin
0x06AIN6ADC AIN6 pin
0x07AIN7ADC AIN7 pin
0x08 - 0x17-Reserved
0x18GNDInternal 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
0x00AIN0ADC AIN0 pin
0x01AIN1ADC AIN1 pin
0x02AIN2ADC AIN2 pin
0x03AIN3ADC AIN3 pin
0x04AIN4ADC AIN4 pin
0x05AIN5ADC AIN5 pin
0x06AIN6ADC AIN6 pin
0x07AIN7ADC AIN7 pin
0x08AIN8ADC AIN8 pin
0x09AIN9ADC AIN9 pin
0x0A - 0x17-Reserved
0x18TEMPTemperature Sensor
0x19BANDGAPINTREF Voltage Reference
0x1ASCALEDVDDCORE1/4 Scaled VDDCORE Supply
0x1BSCALEDVDDANA1/4 Scaled VDDANA Supply
0x1CDACDAC Output
0x1DSCALEDVDDIO1/4 Scaled VDDIO Supply
0x1EOPAMP01OPAMP0 or OPAMP1 output
0x1FOPAMP2OPAMP2 output