pcf8536 NXP Semiconductors, pcf8536 Datasheet - Page 31

• 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 17. Waveforms for 1:6 multiplex drive mode with bias
state 1
state 2
Sn + 1
BP0
BP1
BP2
BP3
BP4
BP5
V
V
Sn
state1
on(RMS)
-3V
-3V
3V
3V
3V
3V
3V
3V
3V
3V
-V
-V
-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
(t) = V
-V
-V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
(t) = 0.467V
/ 4
/ 4
SS
/ 4
/ 4
SS
/ 4
/ 4
SS
/ 4
/ 4
SS
/ 4
/ 4
SS
/ 4
/ 4
SS
/ 2
SS
/ 2
SS
/ 4
/ 4
SS
/ 4
/ 4
/ 4
/ 2
/ 4
SS
/ 4
/ 2
/ 4
Sn
(t)  V
LCD
BP0
. V
(t). V
off(RMS)
state2
(t) = 0.306V
(t) = V
(b) Resultant waveforms at LCD segment
All information provided in this document is subject to legal disclaimers.
Sn + 1
Universal LCD low multiplex driver with 6 channel PWM generator
(a) Waveforms at driver
(t)  V
LCD
Rev. 1 — 6 October 2011
.
BP0
T
fr
(t).
1
⁄
4
and line inversion
state 1
PCF8536
LCD segments
© NXP B.V. 2011. All rights reserved.
001aal400
state 2
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