Maxim Integrated MAXQ Family Users Guide: MAXQ2010 Supplement - Manual (Page 109)

MAXQ Family User’s Guide:
MAXQ2010 Supplement
20-17
Table 20-11. 1/3 Duty Drive Example Common Signal Selection
Table 20-12. 1/3 Duty Drive Example Register Content
Figure 20-10. 1/3 Duty Drive Example Waveform Timing
1 FRAME (f FRAME )
V
LCD
V LCD1
V LCD2
GND
SEG2
V LCD
V LCD1
V LCD2
GND
SEG1
V
LCD
V
LCD1
V LCD2
GND
COM2
V LCD
V
LCD1
V LCD2
GND
COM1
V LCD
V LCD1
V LCD2
GND
COM0
V
LCD
2/3 V LCD
1/3 V LCD
GND
-1/3 V LCD
-2/3 V LCD
-V LCD
COM1–SEG1
(ON)
V LCD
2/3 V LCD
1/3 V LCD
GND
-1/3 V LCD
-2/3 V
LCD
-V LCD
COM1–SEG0
(OFF)
V LCD
V LCD1
V LCD2
GND
SEG0
SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 SEG0
COM0 On On On
COM1 Off On Off
COM2 On On (Don’t Care)
COM3
BIT 7
BIT 6
COM2
BIT 5
COM1
BIT 4
COM0
BIT 3
BIT 2
COM2
BIT 1
COM1
BIT 0
COM0
LCD0 0 1 1 1 0 0 0 1
LCD1 0 0 0 0 0 1 0 1
LCD2
LCD3