Datasheet
SBAS323G − JUNE 2004 − REVISED OCTOBER 2007
www.ti.com
89
ADC Input Multiplexer (ADMUX)
7 6 5 4 3 2 1 0 Reset Value
SFR D7h INP3 INP2 INP1 INP0 INN3 INN2 INN1 INN0 01h
INP3−0 Input Multiplexer Positive Input. This selects the positive signal input.
bits 7−4
INP3 INP2 INP1 INP0 POSITIVE INPUT
0 0 0 0 AIN0 (default)
0 0 0 1 AIN1
0 0 1 0 AIN2
0 0 1 1 AIN3
0 1 0 0 AIN4
0 1 0 1 AIN5
0 1 1 0 AIN6
0 1 1 1 AIN7
1 0 0 0 AINCOM
1 1 1 1 Temperature Sensor (requires ADMUX = FFh)
INN3−0 Input Multiplexer Negative Input. This selects the negative signal input.
bits 3−0
INN3 INN2 INN1 INN0 NEGATIVE INPUT
0 0 0 0 AIN0
0 0 0 1 AIN1 (default)
0 0 1 0 AIN2
0 0 1 1 AIN3
0 1 0 0 AIN4
0 1 0 1 AIN5
0 1 1 0 AIN6
0 1 1 1 AIN7
1 0 0 0 AINCOM
1 1 1 1 Temperature Sensor (requires ADMUX = FFh)