Figure 15. 1/2 duty drive example waveform timing, Lcd controller 1/3 duty cycle drive example, Figure 16. 1/3 drive example display connection – Maxim Integrated MAXQ Family Users Guide: MAXQ2000 Supplement User Manual
Page 83: Maxq family user’s guide: maxq2000 supplement
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MAXQ Family User’s Guide:
MAXQ2000 Supplement
COM1
COM2
COM0
SEG2
SEG1
SEG0
Figure 16. 1/3 Drive Example Display Connection
1 FRAME (f
FRAME
)
V
LCD
V
LCD1
GND
COM0
V
LCD
V
LCD1
GND
SEG0
V
LCD
V
LCD1
GND
COM1
V
LCD
V
LCD1
GND
SEG1
V
LCD
V
LCD1
GND
SEG2
V
LCD
V
LCD1
GND
SEG3
V
LCD
1/2 V
LCD
GND
-1/2 V
LCD
-V
LCD
COM0–SEG1
(ON)
V
LCD
1/2 V
LCD
GND
-1/2 V
LCD
-V
LCD
COM0–SEG0
(OFF)
Figure 15. 1/2 Duty Drive Example Waveform Timing
LCD Controller 1/3 Duty Cycle Drive Example
In this example, SEG0 through SEG2 are used to drive the LCD segments. The segments and common signals are connected as shown
in Figure 16.
Maxim Integrated
83
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