PCF8576CT/S480/1,1 NXP Semiconductors, PCF8576CT/S480/1,1 Datasheet - Page 16

• Manufacturer Part Number: PCF8576CT/S480/1,1
• Description: LCD Drivers Universal LCD Driver Low Multiplex Rates
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCF8576C
Product data sheet
Fig 11. Waveforms for the 1:2 multiplex drive mode with
V
V
V
V
state1
on(RMS)
state2
off(RMS)
S n+1
state 1
state 2
BP0
BP1
S n
(t) = V
(t) = V
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= 0.333V
= 0.745V
Sn
Sn
(t)  V
(t)  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
−2V
−V
0 V
0 V
Rev. 11 — 30 March 2012
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
/ 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
mgl747
state 1
state 2
LCD segments
PCF8576C
© NXP B.V. 2012. All rights reserved.
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