PCF8562TT/2,518 NXP Semiconductors, PCF8562TT/2,518 Datasheet - Page 12
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PCF8562TT/2,518
Manufacturer Part Number
PCF8562TT/2,518
Description
LCD Drivers LCD DRIVER 32/128SEG
Manufacturer
NXP Semiconductors
Datasheet
1.PCF8562TT2518.pdf
(37 pages)
Specifications of PCF8562TT/2,518
Number Of Digits
16
Number Of Segments
128
Maximum Clock Frequency
400 KHz
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Power Dissipation
400 mW
Maximum Operating Temperature
+ 85 C
Package / Case
TSSOP-48
Maximum Supply Current
20 uA
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
935276218518 PCF8562TT/2-T
NXP Semiconductors
PCF8562_5
Product data sheet
7.4.3 1:3 Multiplex drive mode
When three backplanes are provided in the LCD, the 1:3 multiplex drive mode applies
(see
Fig 7.
Figure
(1) V
(2) V
(3) V
(4) V
state 1
state 2
S n+1
S n+2
BP2
BP0
BP1
Waveforms for the 1:3 multiplex drive mode with
S n
state1
on(RMS)
state2
off(RMS)
7).
(t) = V
(t) = V
All information provided in this document is subject to legal disclaimers.
V
2V
V
V
V
2V
V
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
0 V
0 V
= 0.638V
= 0.333V
LCD
LCD
SS
LCD
LCD
SS
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
Sn
Sn+1
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
(t) − V
/ 3
/ 3
(t) − V
Rev. 05 — 19 May 2010
LCD
LCD
BP0
.
.
BP1
(t).
(t).
(a) Waveforms at driver.
(b) Resultant waveforms
at LCD segment.
Universal LCD driver for low multiplex rates
T
fr
1
⁄
3
bias
state 1
state 2
LCD segments
mgl748
PCF8562
© NXP B.V. 2010. All rights reserved.
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