PCF8576C Philips Semiconductors, PCF8576C Datasheet - Page 10
PCF8576C
Manufacturer Part Number
PCF8576C
Description
Universal LCD driver for low multiplex rates
Manufacturer
Philips Semiconductors
Datasheet
1.PCF8576C.pdf
(44 pages)
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6.4
6.4.1
The static LCD drive mode is used when a single backplane is provided in the LCD. Backplane and segment drive
waveforms for this mode are shown in Fig.5.
1998 Jul 30
Universal LCD driver for low multiplex
rates
V
V
V
V
state1
on(rms)
state2
off(rms)
LCD drive mode waveforms
t ( )
t ( )
S
=
=
=
=
TATIC DRIVE MODE
V
0 V
V
V
op
S
S
n
n
t ( ) V
+
1
t ( ) V
–
–
BP0
BP0
t ( )
t ( )
Fig.5 Static drive mode waveforms (V
state 1
state 2
S n 1
BP0
S n
V LCD
V LCD
V LCD
V op
V DD
V DD
V DD
V op
V op
V op
0
0
(b) resultant waveforms
(a) waveforms at driver
at LCD segment
T frame
10
state 1
(on)
LCD segments
MBE539
op
= V
DD
state 2
(off)
V
LCD
).
Product specification
PCF8576C