PCF2119 Ver la hoja de datos (PDF) - NXP Semiconductors.

Número de pieza

componentes Descripción

Fabricante

PCF2119

LCD controller/drivers

NXP Semiconductors. 

NXP Semiconductors

PCF2119x

LCD controllers/drivers

ROW 17

ROW 18

ROW 1 to 16

VLCD

2/3

1/3

VSS

VLCD

2/3

1/3

VSS

VLCD

2/3

1/3

VSS

COL 1 ON/OFF

COL 2 ON/OFF

COL 3 ON/OFF

COL 4 ON/OFF

VLCD

2/3

1/3

VSS

VLCD

2/3

1/3

VSS

VLCD

2/3

1/3

VSS

VLCD

2/3

1/3

VSS

state 1

VLCD

0.66VLCD

0.33VLCD

0

−0.33VLCD

−0.66VLCD

−VLCD

state 2

VLCD

0.66VLCD

0.33VLCD

0

−0.33VLCD

−0.66VLCD

−VLCD

state 3

VLCD

0.66VLCD

0.33VLCD

0

−0.33VLCD

−0.66VLCD

−VLCD

frame n

frame n +1

only icons are

driven (MUX 1: 2)

state 1 (ON)

state 2 (OFF)

state 3 (OFF)

COL 2

COL 1

013aaa142

Fig 6.

state(n) marks intersection(row(x),col(n)) of pixel(x,n)

Vstate(n)(t) = VCOL(n)(t) − VROW(x)(t).

Vstate1(t) = VCOL1(t) − VROW17(t).

Vstate2(t) = VCOL2(t) − VROW17(t).

Vstate3(t) = VCOL3(t) − VROW1 to 16(t).

Waveforms for the 1:2 multiplex drive mode with 4 bias levels; icon mode

PCF2119X

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 9 — 14 April 2011

© NXP B.V. 2011. All rights reserved.

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