1/9 Duty, 1/4 Bias Drive Technique
COM 1
LC75878W
COM 2
COM 9
LCD driver output when all LCD
segments corresponding to COM1
to COM9 are turned off
LCD driver output when only LCD
segments corresponding to COM1
are turned on
LCD driver output when only LCD
segments corresponding to COM2
are turned on
LCD driver output when all LCD
segments corresponding to COM1
to COM9 are turned on
64T
576T
T=
1
fosc
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28
VLCD0
VLCD1
VLCD2
VLCD3
VLCD4
VLCD0
VLCD1
VLCD2
VLCD3
VLCD4
VLCD0
VLCD1
VLCD2
VLCD3
VLCD4
VLCD0
VLCD1
VLCD2
VLCD3
VLCD4
VLCD0
VLCD1
VLCD2
VLCD3
VLCD4
VLCD0
VLCD1
VLCD2
VLCD3
VLCD4
VLCD0
VLCD1
VLCD2
VLCD3
VLCD4