EFM32WG Datasheet, PDF (697/834 Pages) List of Unclassifed Manufacturers – The EFM32WG Wonder Gecko is the ideal choice for demanding 8-, 16-, and 32-bit energy sensitive applications.

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Bit
23:20
19
18:16
15:8
7:6
5:4
Name
Reset
Access Description
Enabled/disable PRS trigger of scan sequence.
Value
0
1
Description
Scan sequence is not triggered by PRS input
Scan sequence is triggered by PRS input selected by PRSSEL
AT
0x0
RW
Select the acquisition time for scan samples.
Scan Sample Acquisition Time
Value
0
1
2
3
4
5
6
7
8
Mode
1CYCLE
2CYCLES
4CYCLES
8CYCLES
16CYCLES
32CYCLES
64CYCLES
128CYCLES
256CYCLES
Description
1 ADC_CLK cycle acquisition time for scan samples
2 ADC_CLK cycles acquisition time for scan samples
4 ADC_CLK cycles acquisition time for scan samples
8 ADC_CLK cycles acquisition time for scan samples
16 ADC_CLK cycles acquisition time for scan samples
32 ADC_CLK cycles acquisition time for scan samples
64 ADC_CLK cycles acquisition time for scan samples
128 ADC_CLK cycles acquisition time for scan samples
256 ADC_CLK cycles acquisition time for scan samples
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
REF
0x0
RW
Select reference to ADC scan sequence.
Scan Sequence Reference Selection
Value
0
1
2
3
4
5
6
Mode
1V25
2V5
VDD
5VDIFF
EXTSINGLE
2XEXTDIFF
2XVDD
Description
Internal 1.25 V reference
Internal 2.5 V reference
VDD
Internal differential 5 V reference
Single ended external reference from pin 6
Differential external reference, 2x(pin 6 - pin 7)
Unbuffered 2xVDD
INPUTMASK
0x00
RW
Scan Sequence Input Mask
Set one or more bits in this mask to select which inputs are included the scan sequence in either single ended or differential mode.
DIFF = 0
Mode
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
DIFF = 1
Mode
CH0CH1
CH2CH3
CH4CH5
CH6CH7
Value
00000001
00000010
00000100
00001000
00010000
00100000
01000000
10000000
Value
00000001
00000010
00000100
00001000
0001xxxx-1111xxxx
Description
ADCn_CH0 included in mask
ADCn_CH1 included in mask
ADCn_CH2 included in mask
ADCn_CH3 included in mask
ADCn_CH4 included in mask
ADCn_CH5 included in mask
ADCn_CH6 included in mask
ADCn_CH7 included in mask
Description
(Positive input: ADCn_CH0 Negative input: ADCn_CH1) included
in mask
(Positive input: ADCn_CH2 Negative input: ADCn_CH3) included
in mask
(Positive input: ADCn_CH4 Negative input: ADCn_CH5) included
in mask
(Positive input: ADCn_CH6 Negative input: ADCn_CH7) included
in mask
Reserved
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
RES
0x0
RW
Scan Sequence Resolution Select
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
697
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