PCF8533U PHILIPS [NXP Semiconductors], PCF8533U Datasheet - Page 8

• Manufacturer Part Number: PCF8533U
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
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.3.
1999 Jul 30
handbook, full pagewidth
Universal LCD driver for low multiplex rates
V
V
V
V
state1
on(rms)
state2
off(rms)
LCD drive mode waveforms
(t) = V
(t) = V
S
= V
= 0 V.
TATIC DRIVE MODE
LCD
sn
sn + 1
(t)
.
(t)
V
BP0
V
BP0
(t).
(t).
S n
state 1
state 2
BP0
S n
1
V LCD
V LCD
V LCD
V LCD
V LCD
V LCD
V LCD
Fig.3 Static drive mode waveforms.
V SS
V SS
V SS
0 V
0 V
(b) Resultant waveforms
(a) Waveforms at driver.
at LCD segment.
T frame
8
state 1
(on)
LCD segments
MGL745
state 2
(off)
Product specification
PCF8533