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PCF8576CHL/1,118

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51P52-P54P55-P57P58-P60P61-P62
PCF8576C All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 13 — 16 December 2013 13 of 62
NXP Semiconductors
PCF8576C
Universal LCD driver for low multiplex rates
7.4 LCD drive mode waveforms
7.4.1 Static drive mode
The static LCD drive mode is used when a single backplane is provided in the LCD.
Backplane and segment drive waveforms for this mode are shown in Figure 8
.
V
state1
(t) = V
Sn
(t) V
BP0
(t).
V
on(RMS)
= V
LCD
.
V
state2
(t) = V
Sn+1
(t) V
BP0
(t).
V
off(RMS)
= 0 V.
Fig 8. Static drive mode waveforms
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PCF8576C All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 13 — 16 December 2013 14 of 62
NXP Semiconductors
PCF8576C
Universal LCD driver for low multiplex rates
7.4.2 1:2 Multiplex drive mode
When two backplanes are provided in the LCD, the 1:2 multiplex mode applies. The
PCF8576C allows the use of
1
⁄
2
bias or
1
⁄
3
bias (see Figure 9 and Figure 10).
V
state1
(t) = V
Sn
(t) V
BP0
(t).
V
on(RMS)
= 0.791V
LCD
.
V
state2
(t) = V
Sn
(t) V
BP1
(t).
V
off(RMS)
= 0.354V
LCD
Fig 9. Waveforms for the 1:2 multiplex drive mode with
1
⁄
2
bias
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PCF8576C All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 13 — 16 December 2013 15 of 62
NXP Semiconductors
PCF8576C
Universal LCD driver for low multiplex rates
V
state1
(t) = V
Sn
(t) V
BP0
(t).
V
on(RMS)
= 0.745V
LCD
V
state2
(t) = V
Sn
(t) V
BP1
(t)
V
off(RMS)
= 0.333V
LCD.
Fig 10. Waveforms for the 1:2 multiplex drive mode with
1
⁄
3
bias
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P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51P52-P54P55-P57P58-P60P61-P62

PCF8576CHL/1,118

Mfr. #:
Buy PCF8576CHL/1,118
Manufacturer:
NXP Semiconductors
Description:
LCD Drivers UNIVERSAL LCD DRIVER LOW MULTIPLEX RATES
Lifecycle:
New from this manufacturer.
Delivery:
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