pcf8536 NXP Semiconductors, pcf8536 Datasheet - Page 32

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

NXP Semiconductors
PCF8536
Product data sheet
Fig 18. Waveforms for 1:8 multiplex drive mode with bias
state 1
state 2
Sn + 1
BP0
BP1
BP2
BP3
BP4
BP5
BP6
BP7
Sn
V
state1
-3V
-3V
3V
3V
3V
3V
3V
3V
3V
3V
3V
3V
-V
-V
-V
V
V
V
V
V
V
V
V
V
V
V
V
3
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
-V
-V
V
V
V
V
V
V
V
V
V
V
V
V
(t) = V
LCD
V
V
V
V
V
V
V
V
V
V
V
V
8.5.3 1:8 Multiplex drive mode
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
/ 4
/ 4
/ 4
/ 4
/ 4
/ 4
/ 4
/ 4
/ 4
/ 4
/ 4
/ 4
/ 4
/ 4
/ 4
/ 4
/ 2
/ 2
/ 4
/ 4
/ 4
/ 4
/ 4
/ 2
/ 4
/ 4
/ 2
/ 4
Sn
(t)  V
BP0
(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
(b) Resultant waveforms at LCD segment
(t)  V
Rev. 1 — 6 October 2011
(a) Waveforms at driver
BP0
(t). V
T
fr
on(RMS)
1
⁄
4
and line inversion
(t) = 0.424V
LCD
. V
off(RMS)
(t) = 0.293V
LCD
state 1
PCF8536
© NXP B.V. 2011. All rights reserved.
.
LCD segments
001aal398
state 2
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