Table 45. 1/3 duty drive example register content, Figure 17. 1/3 duty drive example waveform timing, Maxq family user’s guide: maxq2000 supplement – Maxim Integrated MAXQ Family Users Guide: MAXQ2000 Supplement User Manual
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Table 44. 1/3 Duty Drive Example Common Signal Selection
According to the 1/3 duty drive memory map table, LCD0 should be set to 071h and LCD1 should be set to 05h as shown in Table 45.
Table 45. 1/3 Duty Drive Example Register Content
MAXQ Family User’s Guide:
MAXQ2000 Supplement
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
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
Figure 17. 1/3 Duty Drive Example Waveform Timing
Maxim Integrated
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