EM83040B 参数 Datasheet PDF下载

EM83040B

LCD CONTROLLER

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FUNCTION DESCRIPTIONS

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

MAIN

1

Unit

MASTER

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

0

SLAVE

(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

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