LM6800AGW-6 datasheet(4/10 Pages) TOPWAY

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TOPWAY

LCD Module User Manual

LM6800AFW-5

URL: www.topwaydisplay.com

www.topwaysz.com

Document Name: LM6800AGW-6-Manual-Rev0.1.DOC

Page: 4 of 10

1.4

Terminal Functions

No.

Name

I/O

Descriptions

VSS

Power Negative Power Supply, Ground (0V)

VDD

Power Positive Power Supply

Input

LCD Contrast reference

VOUT Output Power Booster output for V0

Input

RS = H; DB0 – DB7 = Display RAM data

RS = L; DB0 – DB7 = Instruction data

R/W

Input

In read mode

R/W = H;

Data read form the LCD module,

data appears at DB0 – DB7 and can be read by the host

while, E = H and the device is being selected

In write mode

R/W = L;

Data write to the LCD module,

data appears at DB0 – DB7 will be written into the LCD module

at E = H L and device is being selected

DB0

I/O

DB7

I/O

Data bus:

Three state I/O terminal for display data or instruction data

CSA

Input

CSB

Input

CSC

Input

Chip selection, enable access to each section of the LCD module

CSC CSB CSA

Function

Enable access of the Left-Most Section (64 column)

of the LCD module

Enable access of the Middle-Left Section (64 column)

of the LCD module

Enable access to the Middle-Right Section (64 column)

of the LCD module

Enable access to the Right-Most Section (64 column)

of the LCD module

Disable all the access to the LCD module

/RST

Input

Reset signal

/RST = L,

Display off

display start line register becomes 0

no command or instruction data could be accepted

/RST = H,

Normal running

BLA

Power Positive Power Supply for LED backlight

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