EFM32WG Datasheet, PDF (799/834 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
17
16
15
14:13
12:8
7:5
4
3:2
1:0
Name
Reset
Access Description
Value
0
1
2
3
4
5
6
7
Mode
LEVEL0
LEVEL1
LEVEL2
LEVEL3
LEVEL4
LEVEL5
LEVEL6
LEVEL7
Description
Minimum boost level
Maximum boost level
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
VLCDSEL
0
RW
V_LCD Selection
This bit controls which Voltage source that is connected to V_LCD.
Value
0
1
Mode
VDD
VEXTBOOST
Description
VDD
Voltage Booster/External VDD
CONCONF
0
RW
Contrast Configuration
This bit selects whether the contrast adjustment is done relative to V_LCD or Ground.
Value
0
1
Mode
VLCD
GND
Description
Contrast is adjusted relative to V_LCD
Contrast is adjusted relative to Ground
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
CONLEV
0x1F
RW
Contrast Level
These bits control the contrast setting according to this formula: V_{LCD_OUT} = V_LCD × 0.5(1+CONLEV/31).
Value
0
31
Mode
MIN
MAX
Description
Minimum contrast
Maximum contrast
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
WAVE
0
RW
This bit configures the output waveform.
Waveform Selection
Value
0
1
Mode
LOWPOWER
NORMAL
Description
Low power waveform
Normal waveform
BIAS
0x0
RW
These bits set the bias mode for the LCD Driver.
Value
0
1
2
3
Mode
STATIC
ONEHALF
ONETHIRD
ONEFOURTH
Bias Configuration
Description
Static
1/2 Bias
1/3 Bias
1/4 Bias
MUX
0x0
RW
Mux Configuration
These bits set the multiplexing mode for the LCD Driver. The field is dependent on the value of MUXE field
MUX
0
1
2
3
MUXE
0
0
0
0
Mode
STATIC
DUPLEX
TRIPLEX
QUADRUPLEX
Description
Static. Uses com line LCD_COM0.
Duplex. Uses com lines LCD_COM0-
LCD_COM1.
Triplex. Uses com lines LCD_COM0-
LCD_COM2.
Quadruplex. Uses com lines LCD_COM0-
LCD_COM3.
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
799
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