Texas Instruments SimpleLink CC2620 Technical Reference Manual page 1228

AUX – Sensor Controller Registers
17.7.1.10 ADCREF0 Register (Offset = Ah) [reset = 0h]
ADCREF0 is shown in
ADC Reference 0
Control reference used by the ADC
7 6
RESERVED REF_ON_IDLE
R/W-0h R/W-0h
Bit Field
7 RESERVED
6 REF_ON_IDLE
5 IOMUX
4 EXT
3 SRC
2-1 RESERVED
0 EN
1228
AUX – Sensor Controller with Digital and Analog Peripherals
Figure 17-12 and described in
Figure 17-12. ADCREF0 Register
5 4
IOMUX EXT
R/W-0h R/W-0h
Table 17-31. ADCREF0 Register Field Descriptions
Type Reset
R/W 0h
R/W 0h
R/W 0h
R/W 0h
R/W 0h
R/W 0h
R/W 0h
Copyright © 2015, Texas Instruments Incorporated
Table 17-31.
3 2
SRC RESERVED
R/W-0h R/W-0h
Description
Software must not rely on the value of a reserved. Writing any other
value than the reset value may result in undefined behavior.
Keep ADCREF powered up in IDLE state when ADC0.SMPL_MODE
= 0.
Set to 1 if ADC0.SMPL_CYCLE_EXP is less than 6 (21.3 µs
sampling time)
Internal. Only to be used through TI provided API.
Internal. Only to be used through TI provided API.
ADC reference source:
0: Fixed reference = 4.3 V
1: Relative reference = VDDS
Software must not rely on the value of a reserved. Writing any other
value than the reset value may result in undefined behavior.
ADC reference module enable:
0: ADC reference module powered down
1: ADC reference module enabled
SWCU117C – February 2015 – Revised September 2015
www.ti.com
1 0
EN
R/W-0h
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