EM83040BH Ver la hoja de datos (PDF) - ELAN Microelectronics

Número de pieza

componentes Descripción

Fabricante

EM83040BH

LCD CONTROLLER

ELAN Microelectronics 

FUNCTION DESCRIPTIONS

Preliminary

EM83040B

LCD CONTROLLER

(1)User can use MAIN pin to chose master unit or slave unit.

MAIN

1

0

Unit

MASTER

SLAVE

Function

Generate these signals:

Load, CA, CB, VSS2+, VSS2-, VSS3, VSS4, VOUT

Internal RC clock

Accept these Master unit signals

Load, VOUT, V1, V2, V3, V4, V5

No internal RC clock

(2)User can use M1,M2 to choose four modes. As followed

MASTER MAIN M1 M0 Segment

Mode1

1

0

0

O(16:1)=S(16:1)

Mode2

1

0

1

Mode3

1

1

0

O(32:1)=S(32:1)

Mode4

1

1

1

O(48:1)=S(48:1)

SLAVE

MAIN M1 M0

Segment

Mode1

0

0

0

O(80:1)=S(80:1)

Mode2

0

0

1

O(80:1)=S(80:1)

Mode3

0

1

0

O(80:1)=S(80:1)

Mode4

0

1

1

O(80:1)=S(80:1)

* S=Segment, C=Common

* (M1, M0) for Master must same as Slave unit

(3)RAM control

Write mode

Common

O(80:17)=C(64:1)

O(80:1)=C(80:1)

O(80:33)=C(48:1)

O(80:49)=C(32:1)

Common

BIAS

1/9

1/9

1/7

1/5

BIAS

1/9

1/9

1/7

1/5

FIG. 3

LCD RAM can be written or read with control signal. The RAMEN pin can select a RAM which can be read or

write. The RAMADS pin can select whether

* This specification are subject to be changed without notice.

9.14.2001 6

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