37.7.9 Input Control

Note: This register is write-synchronized: SYNCBUSY.INPUTCTRL must be checked to ensure the INPUTCTRL register synchronization is complete.

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


Bit	15	14	13	12	11	10	9	8
				MUXNEG[4:0]
Access				R/W	R/W	R/W	R/W	R/W
Reset				0	0	0	0	0


Bit	7	6	5	4	3	2	1	0
				MUXPOS[4:0]
Access				R/W	R/W	R/W	R/W	R/W
Reset				0	0	0	0	0

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

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

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 - 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 INTREF voltage 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 - 0x18	-	Reserved
0x19	INTREF	Internal voltage reference, supplied by the bandgap (refer to SUPC.VREF.SEL for voltage level information)
0x1A	SCALEDVDDCORE	1/4 Scaled VDDCORE Supply
0x1B	SCALEDAVDD	1/4 Scaled AVDD Supply
0x1C	-	Reserved
0x1D	-	Reserved
0x1E	-	Reserved
0x1F	-	Reserved