Idac_Curprog - Current Programming Register - Silicon Laboratories EFR32xG14 Wireless Gecko Reference Manual

Bit Name
3 APORTOUTEN
Set to enable the IDAC output to APORT if APORTOUTENPRS is not set.
2 MINOUTTRANS
Set to enable minimum output transition mode for the IDAC.
1 CURSINK
Set to enable the IDAC as a current sink. By default, the IDAC sources current.
0 EN
Set to enable the IDAC.

27.5.2 IDAC_CURPROG - Current Programming Register

Offset
0x004
Reset
Access
Name
Bit Name
31:24 Reserved
23:16 TUNING
In production test. the middle step (16) of each range is calibrated and can be read from the Device Information (DI) page.
15:13 Reserved
12:8 STEPSEL
Select the step within each range. The size of each step depends on the RANGESEL setting. RANGESEL settings of 0, 1,
2, and 3 correspond to step sizes of 50 nA, 100 nA, 500 nA, and 2000 nA, respectively. See step details.
7:2 Reserved
1:0 RANGESEL
Selects current range of the output.
Value
0
1
2
3
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Reset Access Description
0 RW APORT Output Enable
0 RW Minimum Output Transition Enable
0 RW Current Sink Enable
0 RW Current DAC Enable
Reset Access Description
To ensure compatibility with future devices, always write bits to 0. More information in
tions
0x9B RW Tune the Current to Given Accuracy
To ensure compatibility with future devices, always write bits to 0. More information in
tions
0x00 RW Current Step Size Select
To ensure compatibility with future devices, always write bits to 0. More information in
tions
0x0 RW Current Range Select
Mode Description
RANGE0 Current range set to 0 - 1.6 uA.
RANGE1 Current range set to 1.6 - 4.7 uA.
RANGE2 Current range set to 0.5 - 16 uA.
RANGE3 Current range set to 2 - 64 uA.
IDAC - Current Digital to Analog Converter
Bit Position
Reference Manual
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1.2 Conven-
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