PCF2119X_11 Datasheet, PDF(15/83 Page) NXP Semiconductors – LCD controllers/drivers Single-chip LCD controller and driver

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PCF2119X_11 Datasheet, PDF (15/83 Pages) NXP Semiconductors – LCD controllers/drivers Single-chip LCD controller and driver

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NXP Semiconductors

PCF2119x

LCD controllers/drivers

VLCD

ROW 17 V3/V4

VSS

ROW 1

VLCD

V3/V4

VSS

ROW 2

VLCD

V3/V4

VSS

ROW 3

VLCD

V3/V4

VSS

ROW 4

VLCD

V3/V4

VSS

COL 1

COL 2

VLCD

V3/V4

VSS

VLCD

V3/V4

VSS

VLCD

state 1

0.5VLCD

0.25VLCD

â0.25VLCD

â0.5VLCD

âVLCD

VLCD

state 2

0.5VLCD

0.25VLCD

â0.25VLCD

â0.5VLCD

âVLCD

frame n

frame n +1

state 1 (off)

state 2 (on)

R17

C1 C2 C3 C4 C5

12 3

91 23

013aaa141

Fig 5.

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

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

Vstate1(t) = VCOL1(t) â VROW1(t).

Vstate2(t) = VCOL2(t) â VROW1(t).

Waveforms for the 1:9 multiplex drive mode with 5 bias levels; character mode, R9 to R16 and R18 open

PCF2119X

Product data sheet

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

Rev. 9 â 14 April 2011

15 of 83

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