TOPWAY

LCD Module User Manual

LM2029B

www.topwaysz.com

Document Name: LM2029B-Manual-Rev0.1

Page: 11 of 12

4.6

Initialization Setting Example

The following setting should be issue to LCD module after hardware reset.

(It is an example only; it could be adjusted if necessary.)

Command Parameter

Value

(binary)

HEX

Descriptions

-

1

1

0

0100 0000

40

Init device and display,

(with 8 parameters)

P1

0

1

0

0011 0000

30

M0=0: internal CG ROM

M0=1: external CG ROM

M1=0: no D6 correction

M1=1: D6 correction

M2=0: 8-pixel char height

M2=1: 16-pixel char height

W/S=0: single panel drive

W/S=1: dual panel drive

IV=0: Screen top-line correction

IV=1: No screen top-line correction

P2

0

1

0

1000 0111

87

FX: define the horizontal char size

WF=0: 16-line AC drive

WF=1: two frame AC drive

P3

0

1

0

0000 0000

00

FY: Vertical Char Size

P4

0

1

0

0010 1000

28

C/R: display line address range

P5

0

1

0

0100 0101

45

TC/R: Line length selection

P6

0

1

0

1110 1111

EF

L/F: Frame Height selection

P7

0

1

0

0010 1000

28

APL: Horizontal address range (low byte)

SYSTEM

SET

P8

0

1

0

0000 0000

00

APH: Horizontal address range (high byte)

-

1

1

0

0101 1001

59

Enable

DISP

ON/OFF

P1

0

1

0

0000 0100

04

-

1

1

0

0100 0100

44

Set cursor type (with 10 parameters)

P1

0

1

0

0000 0000

00

SAD 1L

P2

0

1

0

0000 0000

00

SAD 1H

P3

0

1

0

1110 1111

EF

SL1

P4

0

1

0

0000 0000

00

SAD 2L

P5

0

1

0

0000 0000

00

SAD 2H

P6

0

1

0

1110 1111

EF

SL2

P7

0

1

0

0000 0000

00

SAD3L

SCROLL

P8

0

1

0

0000 0000

00

SAD3H

CSRDIR

-

1

1

0

0100 1100

4C

Set Direction of Cursor movement

-

1

1

0

0101 1010

5A

Set horizontal scroll position (with 1 parameters)

HDOT SCR

P1

0

1

0

0000 0000

00

-

1

1

0

0101 1011

5B

Set display overlay format (with 1 parameters)

OVLAY

P1

0

1

0

0000 1101

0D

-

1

1

0

0100 0110

46

Set cursor address (with 2 parameters)

P1

0

1

0

0000 0000

00

CSRL

CSRW

P2

0

1

0

0000 0000

00

CSRH

-

1

1

0

0100 0010

42

Write to display memory (with n parameters)

P1

0

1

0

Memory Data

**

:

:

:

:

:

**

MWRITE

Pn

0

1

0

Memory Data

**

Display memory data

Note:

For details please refer to SED1335 datasheet.