MCC141537 Ver la hoja de datos (PDF) - Motorola => Freescale

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componentes Descripción

Fabricante

MCC141537

LCD Segment / Common Driver with Controller

Motorola => Freescale 

Power Up Sequence (Commands Required)

Command Required

POR Status

Set External / Internal Oscillator

Set Voltage Tripler / Doubler

Internal DC/DC Converter Enable

Set Internal Regulator On

Set Temperature Coefficient

Set Internal Contrast Control 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 RAM

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

All Annunciators 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.

Display Output Description by Example

This an example of output pattern on the LCD panel. Figure 8a, 8b and 8c are

data map of GDDRAM and the output pattern on the LCD display with different

command enabled. (Scrolling, Column Re-map and Row Re-map)

COM0

COM16

SEG0

Figure 8a

SEG119

Content of GDDRAM

PAGE 1

5A5A5A---000000

5A5A5A---000000

PAGE 2

33CC33---CC33CC

33CC33---CC33CC

Figure 8b

Graphic Mode

Column remap disable

Row remap disable

Graphic Mode

Column remap enable

Row remap disable

Graphic Mode

Column remap disable

Row remap enable

Figure 8c

MOTOROLA

Graphic Mode

Column remap disable

Row remap disable

Scroll Value = 0FH

MC141537

3–117

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