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ADC Registers
493
SPRUI07–March 2020
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Analog-to-Digital Converter (ADC)
7.4.12 ADCREFSEL Register (Offset = 1Ch) [reset = 0h]
ADCOFFTRIM is shown in Figure 7-27 and described in Table 7-24.
Figure 7-27. ADCREFSEL Register
15 14 13 12 11 10 9 8
REF_SEL[1:0] RESERVED
R/W-0h R-0h
7 6 5 4 3 2 1 0
RESERVED
R-0h
Table 7-24. ADCREFSEL Register Field Descriptions
Bit Field Type Reset Description
15-14 REF_SEL[1:0] R/W 0h
Reference select bits for ADC voltage generation circuit options are
listed below:
00b = Internal reference selected (default)
01b = External reference, 2.048 V on ADCREFIN
10b = External reference, 1.500 V on ADCREFIN
11b = External reference, 1.024 V on ADCREFIN
13-0 Reserved R/W 0h Reads return a zero. Writes have no effect.
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