MC141531 View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

MC141531

LCD Segment / Common Driver CMOS

Motorola => Freescale 

Address Increment Table (Automatic)

D/C

R/W Comment

0

0 Write Command

0

1 Read Command

1

0 Write Data

1

1 Read Data

Address Increment

No

No (invalid mode)

Yes

Yes

Address Increment is done automatically data read write. The column address pointer of GDDRAM*3 is affected.

Remarks : *1. Only data is read from RAM.

*2. If write data is issued after Command Clear RAM, Address increase is not applied.

*3. Column Address will be wrapped round when overflow.

Remarks

*1

*2

Power Up Sequence (Commands Required)

Command Required

POR Status

Set External / Internal Oscillator

Set Voltage Tripler / Doubler

Internal DC/DC Converter On

Set Internal Regulator On

Set Temperature Coefficient

Set Internal Contrast On

Set Contrast Level

Set Internal Voltage Divider On

Set Column Mapping

Set Row Mapping

Set Vertical Scroll Value

Set Oscillator Enable

Set Annunciator Control Signals

Master Clear GDDRAM

Dummy Write Data

Set Display On

External

Tripler

Off

Off

TC=0%

Off

Contrast Level = 0

Off

Seg. 0 = Col. 0

Com. 0 = Row 0

Scroll Value = 0

Disable

Annunciators all off

Random

Off

Remarks

*1

*1

*1

*1

*1, *3

*1, *3

*1, *2, *3

*1

*1

*1

*1

*1

Remarks :

*1 -- Required only if desired status differ from POR.

*2 -- Effective only if Internal Contrast Control is enabled.

*3 -- Effective only if Regulator is enabled.

MC141531

3–156

MOTOROLA

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