PCF8562TT-2 NXP [NXP Semiconductors], PCF8562TT-2 Datasheet - Page 13

• Manufacturer Part Number: PCF8562TT-2
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCF8562
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
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= 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
0 V
0 V
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
LCD
LCD
LCD
Rev. 6 — 16 June 2011
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
Universal LCD driver for low multiplex rates
at LCD segment.
T
fr
1
⁄
3
bias
013aaa209
state 1
state 2
LCD segments
PCF8562
© NXP B.V. 2011. All rights reserved.
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