Renesas PROM Programming Adapters PCA7438F-64A Spécifications télécharger pdf (Page 35)

Rev.2.40 Jun 14, 2004 page 35 of 56

38C1 Group

Fig. 34 LCD drive waveform (1/3 bias)

VL3

VS

S

C

O

M0

C

O

M1

C

O

M2

C

O

M3

S

E

G0

COM3

C

O

M2 COM1 COM0

C

O

M3

C

O

M2 COM1 C

O

M0

C

O

M0

C

O

M1

C

O

M2

S

E

G0

C

O

M0

C

O

M1

S

E

G0

VL

3

VL

2

VS

S

VL

1

VL

3

VL

2

VS

S

VL

1

VL

3

VSS

VL

3

VL

2

VS

S

VL

1

VL

3

VS

S

COM0

C

O

M2 COM1 COM0

COM2 COM1 COM0 COM2

COM1 C

O

M0

COM1 COM0

COM1 C

O

M0 C

O

M1 COM0

I

n

t

e

r

n

a

l

l

o

g

i

c

L

C

D

C

K

t

i

m

i

n

g

1/4 duty

Voltage level

O

F

FON OFFON

1/3 duty

OFFO

NO

NO

F

FONO

F

F

1/2 duty

OFFO

NOFF

O

N

O

F

FON O

F

FO

N

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