INPUT_CONFIG is shown in Figure 42 and described in Table 18.
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Analog input configuration register
Figure 42. INPUT_CONFIG Register
7 |
6 |
5 |
4 |
3 |
2 |
1 |
0 |
RESERVED |
RANGE_SEL |
AINM_SEL |
R-000000b |
R/W-0b |
R/W-0b |
|
Bit |
Field |
Type |
Reset |
Description |
7-2 |
RESERVED |
R |
000000b |
|
1 |
RANGE_SEL |
R/W |
0b |
This bit selects ADC input full scale range
0b = ADC operates with full scale range of 0 to VREF
1b = ADC operates with full scale range of 0 to 2 X VREF
|
0 |
AINM_SEL |
R/W |
0b |
This bit selects ADC input configuration
0b = ADC operates in single-ended configuration. AINM pin must be connected to GND potential.
1b = ADC operates in pseudo-differential configuration. AINM pin must be connected to FSR / 2 potential.
|