pca8576c NXP Semiconductors, pca8576c Datasheet - Page 10
pca8576c
Manufacturer Part Number
pca8576c
Description
Universal Lcd Driver For Low Multiplex Rates
Manufacturer
NXP Semiconductors
Datasheet
1.PCA8576C.pdf
(44 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
pca8576cH/Q900,157
Manufacturer:
NXP Semiconductors
Quantity:
10 000
Part Number:
pca8576cH/Q900/1
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Company:
Part Number:
pca8576cH/Q900/1,1
Manufacturer:
NXP Semiconductors
Quantity:
10 000
NXP Semiconductors
PCA8576C
Product data sheet
7.4.2 1:2 Multiplex drive mode
When two backplanes are provided in the LCD, the 1:2 multiplex mode applies. The
PCA8576C allows the use of
Fig 6.
V
V
V
V
Waveforms for the 1:2 multiplex drive mode with
state1
on(RMS)
state2
off(RMS)
Sn+1
state 1
state 2
(t) = V
(t) = V
BP0
BP1
S n
All information provided in this document is subject to legal disclaimers.
= 0.791V
= 0.354V
Sn
Sn
(t) − V
(t) − V
V
V
V
V
V
V
V
V
V
V
V
V
−V
−V
V
V
−V
−V
0 V
0 V
LCD
LCD
SS
LCD
LCD
SS
LCD
SS
LCD
SS
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
Rev. 1 — 22 July 2010
BP0
BP1
/ 2
/ 2
/ 2
/ 2
.
/ 2
/ 2
(t).
(t).
1
⁄
2
bias or
1
(a) Waveforms at driver.
(b) Resultant waveforms
⁄
3
bias (see
Universal LCD driver for low multiplex rates
at LCD segment.
T
fr
Figure 6
1
⁄
2
bias
and
state 1
state 2
mgl746
LCD segments
Figure
PCA8576C
© NXP B.V. 2010. All rights reserved.
7).
10 of 44