pcf8536 NXP Semiconductors, pcf8536 Datasheet - Page 33

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pcf8536

Manufacturer Part Number
pcf8536
Description
Universal Lcd Driver For Low Multiplex Rates Including A 6 Channel Pwm Generator
Manufacturer
NXP Semiconductors
Datasheet

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NXP Semiconductors
PCF8536
Product data sheet
Fig 19. Waveforms for 1:8 multiplex drive mode with bias
V
state1
(t) = V
state 1
state 2
Sn + 1
BP0
BP1
BP2
BP3
BP4
BP5
BP6
BP7
Sn
Sn
(t)  V
3/4 V
1/4 V
3/4 V
1/4 V
3/4 V
1/4 V
3/4 V
1/4 V
3/4 V
1/4 V
3/4 V
1/4 V
3/4 V
1/4 V
3/4 V
1/4 V
1/2 V
1/2 V
3/4 V
1/2 V
1/4 V
1/4 V
1/2 V
3/4 V
3/4 V
1/2 V
1/4 V
1/4 V
1/2 V
3/4 V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
LCD
V
V
V
V
V
V
V
V
V
V
V
V
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
BP0
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
(t). V
state2
(t) = V
All information provided in this document is subject to legal disclaimers.
Sn + 1
Universal LCD low multiplex driver with 6 channel PWM generator
frame n
(b) Resultant waveforms at LCD segment
T
fr
(t)  V
Rev. 1 — 6 October 2011
(a) Waveforms at driver
BP0
(t). V
on(RMS)
1
4
and frame inversion
(t) = 0.424V
frame n+1
T
fr
LCD
. V
off(RMS)
state 1
(t) = 0.293V
LCD segments
001aam359
LCD
state 2
PCF8536
© NXP B.V. 2011. All rights reserved.
.
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