TOPWAY

LCD Module User Manual

LM3086BCW

URL:

www.topwaydisplay.com

www.topwaysz.com

Document Name: LM3086BCW-Manual-Rev0.1.DOC

Page: 7 of 8

4.5 Display Commands

COMMAND TABLE

INSTRUCTION

A0

R/W

COMMAND BYTE

DESCRIPTION

D7

D6

D5

D4

D3

D2

D3

D4

Write Data

1

0

D7

D6

D5

D4

D3

D2

D1

D0

Write data to DDRAM

Read Data

1

1

D7

D6

D5

D4

D3

D2

D1

D0

Read data from

DDRAM Only for

parallel interface and

Read Status

Byte (parallel

interface)

0

1

ID0

MX

MY

WA

DE

0

0

0

Read status byte

Only for parallel

interface

0

POR

0

0

0

ID3

ID2

ID1

Read Status

Byte (4-SPI)

0

0

1

1

1

1

1

1

1

0

Read status byte

Only for 4 line SPI

0

1

ID0

MX

MY

WA

DE

0

0

0

0

POR

0

0

0

ID3

ID2

ID1

Set Column

Address LSB

0

0

0

0

0

0

CA3

CA2

CA1

CA0

Set column address

of RAM

Set Column

Address MSB

0

0

0

0

0

1

CA7

CA6

CA5

CA4

Set Scroll Line

0

0

0

1

SL5

SL4

SL3

SL2

SL1

SL0

Specify line address

of DDRAM (vertical

scrolling)

Set Page

Address

0

0

1

0

1

1

PA3

PA2

PA1

PA0

Set page address of

RAM

Set Contrast

0

0

1

0

0

0

0

0

0

1

2-byte instruction. Set

Vop voltage

EV7

EV6

EV5

EV4

EV3

EV2

EV1

EV0

Set Partial

Screen Mode

0

0

1

0

0

0

0

1

0

PS

PS=1: Enable partial

mode

Set RAM

Address Control

0

0

1

0

0

0

1

AC2

AC1

AC0

Set column and page

address behavior

Set Frame Rate

0

0

1

0

1

0

0

0

FR1

FR0

Set frame frequency

Set All Pixel ON

0

0

1

0

1

0

0

1

0

AP

Set all display

segments on

Set Inverse

Display

0

0

1

0

1

0

0

1

1

INV

Set inverse display

Set Display

Enable

0

0

1

0

1

0

1

1

1

PD

PD=0: Chip is in

power down mode

Scan Direction

0

0

1

1

0

0

0

MY

MX

0

Set COM and SEG

scan direction

Software Reset

0

0

1

1

1

0

0

0

1

0

Set software reset

NOP

0

0

1

1

1

0

0

0

1

1

No operation

Set Bias

0

0

1

1

1

0

1

0

BR1

BR0

Set internal bias

circuit

Set COM End

0

0

1

1

1

1

0

0

0

1

2-byte instruction. Set

display duty

--

--

CEN5

CEN4

CEN3

CEN2

CEN1

CEN0

Partial Start

Address

0

0

1

1

1

1

0

0

1

0

Set partial start for

partial display screen

--

--

DST5

DST4

DST3

DST2

DST1

DST0

Partial End

Address

0

0

1

1

1

1

0

0

1

1

Set partial end for

partial display screen

--

--

DEN5

DE4

DEN3

DEN2

DEN1

DEN0

Test Control

0

0

1

1

1

1

1

1

1

1

Set test command

table

--

--

--

--

--

--

H1

H0

Note:

*1. Do not use any other command not listed, or the system malfunction may result.

*2. For the details of the Display Commands, please refer to ST7539 data sheet.

*3. “--” = Disabled bit. It can be either logic 0 or 1.