EFM32WG Datasheet, PDF (720/834 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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29.5.16 DACn_OPA0MUX - Operational Amplifier Mux Configuration
Register
Offset
0x05C
Bit Position
Reset
Access
Name
Bit
31
30:28
27
26
25:24
23:22
21:19
18:14
13
12
Name
Reset
Access Description
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
RESSEL
0x0
RW
Configures the resistor ladder tap for OPA0.
OPA0 Resistor Ladder Select
Value
0
1
2
3
4
5
6
7
Mode
RES0
RES1
RES2
RES3
RES4
RES5
RES6
RES7
Resistor Value
R2 = 1/3 x R1
R2 = R1
R2 = 1 2/3 x R1
R2 = 2 x R1
R2 = 3 x R1
R2 = 4 1/3 x R1
R2 = 7 x R1
R2 = 15 x R1
Inverting Mode Gain (-R2/R1) Non-inverting Mode Gain (1+(R2/
R1)
-1/3
1 1/3
-1
2
-1 2/3
2 2/3
-2 1/5
3 1/5
-3
4
-4 1/3
5 1/3
-7
8
-15
16
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
NEXTOUT
0
RW
OPA0 Next Enable
Makes output of OPA0 available to OPA1.
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
OUTMODE
0x1
Select output channel.
RW
Output Select
Value
0
1
2
3
Mode
DISABLE
MAIN
ALT
ALL
Description
OPA0 output is disabled
Main OPA0 output to pin enabled
OPA0 alternative output enabled.
Main OPA0 output drives both main and alternative outputs.
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
OUTPEN
0x00
RW
Set to enable output, clear to disable output
OPA0 Output Enable Value
OUT ENABLE
OUT0
OUT1
OUT2
OUT3
OUT4
VALUE
xxxx1
xxx1x
xx1xx
x1xxx
1xxxx
Description
Alternate Output 0
Alternate Output 1
Alternate Output 2
Alternate Output 3
Alternate Output 4
NPEN
0
RW
Connects pad to the negative input mux
PPEN
0
RW
Connects pad to the positive input mux
OPA0 Negative Pad Input Enable
OPA0 Positive Pad Input Enable
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
720
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