EFM32WG Datasheet, PDF (783/834 Pages) List of Unclassifed Manufacturers – The EFM32WG Wonder Gecko is the ideal choice for demanding 8-, 16-, and 32-bit energy sensitive applications.

...the world's most energy friendly microcontrollers
Figure 33.24. LCD 1/2 Bias and Triplex Multiplexing - LCD_SEG0-LCD_COM2
V_LC0 (V_LCD)
V_LC1 (1/2V_LCD)
V_LC3 (V_SS)
-V_LC1 (1/2V_LCD)
-V_LC0 (V_LCD)
Fram e St art
Fram e End
33.3.3.5 Waveforms with 1/3 Bias and Triplex Multiplexing
In this mode, each frame is divided into 6 periods. LCD_COM[2:0] lines can be multiplexed with all
segment lines. Figures show 1/3 bias and triplex multiplexing (waveforms show two frames).
Figure 33.25. LCD 1/3 Bias and Triplex Multiplexing - LCD_COM0
V_LC0 (V_LCD)
V_LC1 (2/3V_LCD)
V_LC2 (1/3V_LCD)
V_LC3 (V_SS)
Fram e St art
Fram e End
Figure 33.26. LCD 1/3 Bias and Triplex Multiplexing - LCD_COM1
V_LC0 (V_LCD)
V_LC1 (2/3V_LCD)
V_LC2 (1/3V_LCD)
V_LC3 (V_SS)
Fram e St art
Fram e End
Figure 33.27. LCD 1/3 Bias and Triplex Multiplexing - LCD_COM2
V_LC0 (V_LCD)
V_LC1 (2/3V_LCD)
V_LC2 (1/3V_LCD)
V_LC3 (V_SS)
Fram e St art
Fram e End
1/3 bias and triplex multiplexing - LCD_SEG0
The LCD_SEG0 waveform illustrates how different segment waveforms can be multiplexed with the
COM lines in order to turn on and off LCD pixels. As illustrated in the figures below, this waveform will
turn ON pixels connected to LCD_COM1, while pixels connected to LCD_COM0 and LCD_COM2 will
be turned OFF.
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
783
www.energymicro.com