PCF2119VU/2 Просмотр технического описания (PDF) - NXP Semiconductors.

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Компоненты Описание

производитель

PCF2119VU/2

LCD controllers/drivers

NXP Semiconductors. 

NXP Semiconductors

frame n

frame n +1

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

COL 1 - ROW 17

VLCD

0.66VLCD

0.33VLCD

0

−0.33VLCD

−0.66VLCD

−VLCD

state 2

COL 2 - ROW 17

VLCD

0.66VLCD

0.33VLCD

0

−0.33VLCD

−0.66VLCD

−VLCD

state 3

COL 3 - ROW 1 to ROW 16

VLCD

0.66VLCD

0.33VLCD

0

−0.33VLCD

−0.66VLCD

−VLCD

Fig 5.

Vstate(t) = VCOL(t) − VROW(t).

Von(RMS) = 0.745VLCD.

Voff(RMS) = 0.333VLCD.

D = -V----o---n-- = 2.23

Voff

Waveforms for the 1:2 multiplex drive mode; icon mode

PCF2119x

LCD controllers/drivers

only icons are

driven (MUX 1: 2)

state 1 (ON)

state 2 (OFF)

state 3 (OFF)

COL 2

COL 1

013aaa142

PCF2119X_5

Product data sheet

Rev. 05 — 13 August 2009

© NXP B.V. 2009. All rights reserved.

13 of 79

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