NXP Semiconductors K22F series, Reference Manual, Page: 777 / 1407

34.3.6 Status and Control Register 2 (ADCx_SC2)
The status and control register 2 (SC2) contains the conversion active, hardware/software
trigger select, compare function, and voltage reference select of the ADC module.
Address: Base a 20h offset
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R
0
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
0
ADACT
ADTRG
ACFE
ACFGT ACREN
DMAEN
REFSEL
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ADCx_SC2 field descriptions
Field Description
31–8
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
7
ADACT
Conversion Active
Indicates that a conversion or hardware averaging is in progress. ADACT is set when a conversion is
initiated and cleared when a conversion is completed or aborted.
0 Conversion not in progress.
1 Conversion in progress.
6
ADTRG
Conversion Trigger Select
Selects the type of trigger used for initiating a conversion. Two types of trigger are selectable:
Table continues on the next page...
Chapter 34 Analog-to-Digital Converter (ADC)
K22F Sub-Family Reference Manual, Rev. 4, 08/2016
NXP Semiconductors 777