PCA85232DA NXP [NXP Semiconductors], PCA85232DA Datasheet - Page 13

• Manufacturer Part Number: PCA85232DA
• Description: LCD driver for low multiplex rates
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCA85232
Product data sheet
Fig 8.
V
V
V
V
Waveforms for the 1:2 multiplex drive mode with
state1
on(RMS)
state2
off(RMS)
state 1
state 2
S n+1
BP0
BP1
S n
(t) = V
(t) = V
All information provided in this document is subject to legal disclaimers.
= 0.745V
= 0.333V
Sn
Sn
(t) − V
(t) − V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
− V
− 2V
− V
V
2V
V
− V
− 2V
− V
Rev. 1 — 8 December 2010
0 V
0 V
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
/3
/3
/3
/3
/3
/3
BP0
BP1
/3
/3
/3
/3
/3
/3
/3
/3
.
.
/3
/3
(t).
(t).
(a) Waveforms at driver.
(b) Resultant waveforms
at LCD segment.
T
fr
LCD driver for low multiplex rates
1
⁄
3
bias
013aaa209
state 1
state 2
LCD segments
PCA85232
© NXP B.V. 2010. All rights reserved.
13 of 54